summaryrefslogtreecommitdiff
path: root/fs/f2fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/checkpoint.c149
-rw-r--r--fs/f2fs/data.c399
-rw-r--r--fs/f2fs/debug.c6
-rw-r--r--fs/f2fs/dir.c76
-rw-r--r--fs/f2fs/extent_cache.c22
-rw-r--r--fs/f2fs/f2fs.h460
-rw-r--r--fs/f2fs/file.c335
-rw-r--r--fs/f2fs/gc.c183
-rw-r--r--fs/f2fs/gc.h2
-rw-r--r--fs/f2fs/inline.c78
-rw-r--r--fs/f2fs/inode.c115
-rw-r--r--fs/f2fs/namei.c67
-rw-r--r--fs/f2fs/node.c285
-rw-r--r--fs/f2fs/recovery.c65
-rw-r--r--fs/f2fs/segment.c621
-rw-r--r--fs/f2fs/segment.h31
-rw-r--r--fs/f2fs/shrinker.c4
-rw-r--r--fs/f2fs/super.c198
-rw-r--r--fs/f2fs/sysfs.c63
-rw-r--r--fs/f2fs/xattr.c26
20 files changed, 1825 insertions, 1360 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index bf779461df13..9624a8f7254b 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -24,7 +24,7 @@
#include <trace/events/f2fs.h>
static struct kmem_cache *ino_entry_slab;
-struct kmem_cache *inode_entry_slab;
+struct kmem_cache *f2fs_inode_entry_slab;
void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io)
{
@@ -36,7 +36,7 @@ void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io)
/*
* We guarantee no failure on the returned page.
*/
-struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
+struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
{
struct address_space *mapping = META_MAPPING(sbi);
struct page *page = NULL;
@@ -100,24 +100,27 @@ repeat:
* readonly and make sure do not write checkpoint with non-uptodate
* meta page.
*/
- if (unlikely(!PageUptodate(page)))
+ if (unlikely(!PageUptodate(page))) {
+ memset(page_address(page), 0, PAGE_SIZE);
f2fs_stop_checkpoint(sbi, false);
+ }
out:
return page;
}
-struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
+struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
{
return __get_meta_page(sbi, index, true);
}
/* for POR only */
-struct page *get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index)
+struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index)
{
return __get_meta_page(sbi, index, false);
}
-bool is_valid_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr, int type)
+bool f2fs_is_valid_meta_blkaddr(struct f2fs_sb_info *sbi,
+ block_t blkaddr, int type)
{
switch (type) {
case META_NAT:
@@ -151,7 +154,7 @@ bool is_valid_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr, int type)
/*
* Readahead CP/NAT/SIT/SSA pages
*/
-int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
+int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
int type, bool sync)
{
struct page *page;
@@ -173,7 +176,7 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
blk_start_plug(&plug);
for (; nrpages-- > 0; blkno++) {
- if (!is_valid_blkaddr(sbi, blkno, type))
+ if (!f2fs_is_valid_meta_blkaddr(sbi, blkno, type))
goto out;
switch (type) {
@@ -217,7 +220,7 @@ out:
return blkno - start;
}
-void ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index)
+void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index)
{
struct page *page;
bool readahead = false;
@@ -228,7 +231,7 @@ void ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index)
f2fs_put_page(page, 0);
if (readahead)
- ra_meta_pages(sbi, index, BIO_MAX_PAGES, META_POR, true);
+ f2fs_ra_meta_pages(sbi, index, BIO_MAX_PAGES, META_POR, true);
}
static int __f2fs_write_meta_page(struct page *page,
@@ -249,7 +252,7 @@ static int __f2fs_write_meta_page(struct page *page,
if (wbc->for_reclaim && page->index < GET_SUM_BLOCK(sbi, 0))
goto redirty_out;
- write_meta_page(sbi, page, io_type);
+ f2fs_do_write_meta_page(sbi, page, io_type);
dec_page_count(sbi, F2FS_DIRTY_META);
if (wbc->for_reclaim)
@@ -294,7 +297,7 @@ static int f2fs_write_meta_pages(struct address_space *mapping,
trace_f2fs_writepages(mapping->host, wbc, META);
diff = nr_pages_to_write(sbi, META, wbc);
- written = sync_meta_pages(sbi, META, wbc->nr_to_write, FS_META_IO);
+ written = f2fs_sync_meta_pages(sbi, META, wbc->nr_to_write, FS_META_IO);
mutex_unlock(&sbi->cp_mutex);
wbc->nr_to_write = max((long)0, wbc->nr_to_write - written - diff);
return 0;
@@ -305,7 +308,7 @@ skip_write:
return 0;
}
-long sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
+long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
long nr_to_write, enum iostat_type io_type)
{
struct address_space *mapping = META_MAPPING(sbi);
@@ -382,7 +385,7 @@ static int f2fs_set_meta_page_dirty(struct page *page)
if (!PageUptodate(page))
SetPageUptodate(page);
if (!PageDirty(page)) {
- f2fs_set_page_dirty_nobuffers(page);
+ __set_page_dirty_nobuffers(page);
inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_META);
SetPagePrivate(page);
f2fs_trace_pid(page);
@@ -455,20 +458,20 @@ static void __remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
spin_unlock(&im->ino_lock);
}
-void add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
+void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
{
/* add new dirty ino entry into list */
__add_ino_entry(sbi, ino, 0, type);
}
-void remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
+void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
{
/* remove dirty ino entry from list */
__remove_ino_entry(sbi, ino, type);
}
/* mode should be APPEND_INO or UPDATE_INO */
-bool exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode)
+bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode)
{
struct inode_management *im = &sbi->im[mode];
struct ino_entry *e;
@@ -479,7 +482,7 @@ bool exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode)
return e ? true : false;
}
-void release_ino_entry(struct f2fs_sb_info *sbi, bool all)
+void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all)
{
struct ino_entry *e, *tmp;
int i;
@@ -498,13 +501,13 @@ void release_ino_entry(struct f2fs_sb_info *sbi, bool all)
}
}
-void set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
+void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
unsigned int devidx, int type)
{
__add_ino_entry(sbi, ino, devidx, type);
}
-bool is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
+bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
unsigned int devidx, int type)
{
struct inode_management *im = &sbi->im[type];
@@ -519,7 +522,7 @@ bool is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
return is_dirty;
}
-int acquire_orphan_inode(struct f2fs_sb_info *sbi)
+int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi)
{
struct inode_management *im = &sbi->im[ORPHAN_INO];
int err = 0;
@@ -542,7 +545,7 @@ int acquire_orphan_inode(struct f2fs_sb_info *sbi)
return err;
}
-void release_orphan_inode(struct f2fs_sb_info *sbi)
+void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi)
{
struct inode_management *im = &sbi->im[ORPHAN_INO];
@@ -552,14 +555,14 @@ void release_orphan_inode(struct f2fs_sb_info *sbi)
spin_unlock(&im->ino_lock);
}
-void add_orphan_inode(struct inode *inode)
+void f2fs_add_orphan_inode(struct inode *inode)
{
/* add new orphan ino entry into list */
__add_ino_entry(F2FS_I_SB(inode), inode->i_ino, 0, ORPHAN_INO);
- update_inode_page(inode);
+ f2fs_update_inode_page(inode);
}
-void remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
+void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
{
/* remove orphan entry from orphan list */
__remove_ino_entry(sbi, ino, ORPHAN_INO);
@@ -569,7 +572,7 @@ static int recover_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
{
struct inode *inode;
struct node_info ni;
- int err = acquire_orphan_inode(sbi);
+ int err = f2fs_acquire_orphan_inode(sbi);
if (err)
goto err_out;
@@ -587,16 +590,17 @@ static int recover_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
}
err = dquot_initialize(inode);
- if (err)
+ if (err) {
+ iput(inode);
goto err_out;
+ }
- dquot_initialize(inode);
clear_nlink(inode);
/* truncate all the data during iput */
iput(inode);
- get_node_info(sbi, ino, &ni);
+ f2fs_get_node_info(sbi, ino, &ni);
/* ENOMEM was fully retried in f2fs_evict_inode. */
if (ni.blk_addr != NULL_ADDR) {
@@ -614,7 +618,7 @@ err_out:
return err;
}
-int recover_orphan_inodes(struct f2fs_sb_info *sbi)
+int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi)
{
block_t start_blk, orphan_blocks, i, j;
unsigned int s_flags = sbi->sb->s_flags;
@@ -642,10 +646,10 @@ int recover_orphan_inodes(struct f2fs_sb_info *sbi)
start_blk = __start_cp_addr(sbi) + 1 + __cp_payload(sbi);
orphan_blocks = __start_sum_addr(sbi) - 1 - __cp_payload(sbi);
- ra_meta_pages(sbi, start_blk, orphan_blocks, META_CP, true);
+ f2fs_ra_meta_pages(sbi, start_blk, orphan_blocks, META_CP, true);
for (i = 0; i < orphan_blocks; i++) {
- struct page *page = get_meta_page(sbi, start_blk + i);
+ struct page *page = f2fs_get_meta_page(sbi, start_blk + i);
struct f2fs_orphan_block *orphan_blk;
orphan_blk = (struct f2fs_orphan_block *)page_address(page);
@@ -695,7 +699,7 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
/* loop for each orphan inode entry and write them in Jornal block */
list_for_each_entry(orphan, head, list) {
if (!page) {
- page = grab_meta_page(sbi, start_blk++);
+ page = f2fs_grab_meta_page(sbi, start_blk++);
orphan_blk =
(struct f2fs_orphan_block *)page_address(page);
memset(orphan_blk, 0, sizeof(*orphan_blk));
@@ -737,7 +741,7 @@ static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr,
size_t crc_offset = 0;
__u32 crc = 0;
- *cp_page = get_meta_page(sbi, cp_addr);
+ *cp_page = f2fs_get_meta_page(sbi, cp_addr);
*cp_block = (struct f2fs_checkpoint *)page_address(*cp_page);
crc_offset = le32_to_cpu((*cp_block)->checksum_offset);
@@ -790,7 +794,7 @@ invalid_cp1:
return NULL;
}
-int get_valid_checkpoint(struct f2fs_sb_info *sbi)
+int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi)
{
struct f2fs_checkpoint *cp_block;
struct f2fs_super_block *fsb = sbi->raw_super;
@@ -834,7 +838,7 @@ int get_valid_checkpoint(struct f2fs_sb_info *sbi)
memcpy(sbi->ckpt, cp_block, blk_size);
/* Sanity checking of checkpoint */
- if (sanity_check_ckpt(sbi))
+ if (f2fs_sanity_check_ckpt(sbi))
goto free_fail_no_cp;
if (cur_page == cp1)
@@ -853,7 +857,7 @@ int get_valid_checkpoint(struct f2fs_sb_info *sbi)
void *sit_bitmap_ptr;
unsigned char *ckpt = (unsigned char *)sbi->ckpt;
- cur_page = get_meta_page(sbi, cp_blk_no + i);
+ cur_page = f2fs_get_meta_page(sbi, cp_blk_no + i);
sit_bitmap_ptr = page_address(cur_page);
memcpy(ckpt + i * blk_size, sit_bitmap_ptr, blk_size);
f2fs_put_page(cur_page, 1);
@@ -898,7 +902,7 @@ static void __remove_dirty_inode(struct inode *inode, enum inode_type type)
stat_dec_dirty_inode(F2FS_I_SB(inode), type);
}
-void update_dirty_page(struct inode *inode, struct page *page)
+void f2fs_update_dirty_page(struct inode *inode, struct page *page)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
enum inode_type type = S_ISDIR(inode->i_mode) ? DIR_INODE : FILE_INODE;
@@ -917,7 +921,7 @@ void update_dirty_page(struct inode *inode, struct page *page)
f2fs_trace_pid(page);
}
-void remove_dirty_inode(struct inode *inode)
+void f2fs_remove_dirty_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
enum inode_type type = S_ISDIR(inode->i_mode) ? DIR_INODE : FILE_INODE;
@@ -934,7 +938,7 @@ void remove_dirty_inode(struct inode *inode)
spin_unlock(&sbi->inode_lock[type]);
}
-int sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type)
+int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type)
{
struct list_head *head;
struct inode *inode;
@@ -1017,7 +1021,7 @@ int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi)
/* it's on eviction */
if (is_inode_flag_set(inode, FI_DIRTY_INODE))
- update_inode_page(inode);
+ f2fs_update_inode_page(inode);
iput(inode);
}
}
@@ -1057,7 +1061,7 @@ retry_flush_dents:
/* write all the dirty dentry pages */
if (get_pages(sbi, F2FS_DIRTY_DENTS)) {
f2fs_unlock_all(sbi);
- err = sync_dirty_inodes(sbi, DIR_INODE);
+ err = f2fs_sync_dirty_inodes(sbi, DIR_INODE);
if (err)
goto out;
cond_resched();
@@ -1085,7 +1089,9 @@ retry_flush_nodes:
if (get_pages(sbi, F2FS_DIRTY_NODES)) {
up_write(&sbi->node_write);
- err = sync_node_pages(sbi, &wbc, false, FS_CP_NODE_IO);
+ atomic_inc(&sbi->wb_sync_req[NODE]);
+ err = f2fs_sync_node_pages(sbi, &wbc, false, FS_CP_NODE_IO);
+ atomic_dec(&sbi->wb_sync_req[NODE]);
if (err) {
up_write(&sbi->node_change);
f2fs_unlock_all(sbi);
@@ -1179,10 +1185,10 @@ static void commit_checkpoint(struct f2fs_sb_info *sbi,
/*
* pagevec_lookup_tag and lock_page again will take
- * some extra time. Therefore, update_meta_pages and
- * sync_meta_pages are combined in this function.
+ * some extra time. Therefore, f2fs_update_meta_pages and
+ * f2fs_sync_meta_pages are combined in this function.
*/
- struct page *page = grab_meta_page(sbi, blk_addr);
+ struct page *page = f2fs_grab_meta_page(sbi, blk_addr);
int err;
memcpy(page_address(page), src, PAGE_SIZE);
@@ -1220,7 +1226,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
/* Flush all the NAT/SIT pages */
while (get_pages(sbi, F2FS_DIRTY_META)) {
- sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
+ f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
}
@@ -1229,7 +1235,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
* modify checkpoint
* version number is already updated
*/
- ckpt->elapsed_time = cpu_to_le64(get_mtime(sbi));
+ ckpt->elapsed_time = cpu_to_le64(get_mtime(sbi, true));
ckpt->free_segment_count = cpu_to_le32(free_segments(sbi));
for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) {
ckpt->cur_node_segno[i] =
@@ -1249,7 +1255,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
}
/* 2 cp + n data seg summary + orphan inode blocks */
- data_sum_blocks = npages_for_summary_flush(sbi, false);
+ data_sum_blocks = f2fs_npages_for_summary_flush(sbi, false);
spin_lock_irqsave(&sbi->cp_lock, flags);
if (data_sum_blocks < NR_CURSEG_DATA_TYPE)
__set_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG);
@@ -1294,22 +1300,23 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
blk = start_blk + sbi->blocks_per_seg - nm_i->nat_bits_blocks;
for (i = 0; i < nm_i->nat_bits_blocks; i++)
- update_meta_page(sbi, nm_i->nat_bits +
+ f2fs_update_meta_page(sbi, nm_i->nat_bits +
(i << F2FS_BLKSIZE_BITS), blk + i);
/* Flush all the NAT BITS pages */
while (get_pages(sbi, F2FS_DIRTY_META)) {
- sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
+ f2fs_sync_meta_pages(sbi, META, LONG_MAX,
+ FS_CP_META_IO);
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
}
}
/* write out checkpoint buffer at block 0 */
- update_meta_page(sbi, ckpt, start_blk++);
+ f2fs_update_meta_page(sbi, ckpt, start_blk++);
for (i = 1; i < 1 + cp_payload_blks; i++)
- update_meta_page(sbi, (char *)ckpt + i * F2FS_BLKSIZE,
+ f2fs_update_meta_page(sbi, (char *)ckpt + i * F2FS_BLKSIZE,
start_blk++);
if (orphan_num) {
@@ -1317,7 +1324,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
start_blk += orphan_blocks;
}
- write_data_summaries(sbi, start_blk);
+ f2fs_write_data_summaries(sbi, start_blk);
start_blk += data_sum_blocks;
/* Record write statistics in the hot node summary */
@@ -1328,7 +1335,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
seg_i->journal->info.kbytes_written = cpu_to_le64(kbytes_written);
if (__remain_node_summaries(cpc->reason)) {
- write_node_summaries(sbi, start_blk);
+ f2fs_write_node_summaries(sbi, start_blk);
start_blk += NR_CURSEG_NODE_TYPE;
}
@@ -1337,7 +1344,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
percpu_counter_set(&sbi->alloc_valid_block_count, 0);
/* Here, we have one bio having CP pack except cp pack 2 page */
- sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
+ f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
/* wait for previous submitted meta pages writeback */
wait_on_all_pages_writeback(sbi);
@@ -1354,7 +1361,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
commit_checkpoint(sbi, ckpt, start_blk);
wait_on_all_pages_writeback(sbi);
- release_ino_entry(sbi, false);
+ f2fs_release_ino_entry(sbi, false);
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
@@ -1379,7 +1386,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
/*
* We guarantee that this checkpoint procedure will not fail.
*/
-int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
+int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
unsigned long long ckpt_ver;
@@ -1412,7 +1419,7 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
/* this is the case of multiple fstrims without any changes */
if (cpc->reason & CP_DISCARD) {
- if (!exist_trim_candidates(sbi, cpc)) {
+ if (!f2fs_exist_trim_candidates(sbi, cpc)) {
unblock_operations(sbi);
goto out;
}
@@ -1420,8 +1427,8 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
if (NM_I(sbi)->dirty_nat_cnt == 0 &&
SIT_I(sbi)->dirty_sentries == 0 &&
prefree_segments(sbi) == 0) {
- flush_sit_entries(sbi, cpc);
- clear_prefree_segments(sbi, cpc);
+ f2fs_flush_sit_entries(sbi, cpc);
+ f2fs_clear_prefree_segments(sbi, cpc);
unblock_operations(sbi);
goto out;
}
@@ -1436,15 +1443,15 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
ckpt->checkpoint_ver = cpu_to_le64(++ckpt_ver);
/* write cached NAT/SIT entries to NAT/SIT area */
- flush_nat_entries(sbi, cpc);
- flush_sit_entries(sbi, cpc);
+ f2fs_flush_nat_entries(sbi, cpc);
+ f2fs_flush_sit_entries(sbi, cpc);
/* unlock all the fs_lock[] in do_checkpoint() */
err = do_checkpoint(sbi, cpc);
if (err)
- release_discard_addrs(sbi);
+ f2fs_release_discard_addrs(sbi);
else
- clear_prefree_segments(sbi, cpc);
+ f2fs_clear_prefree_segments(sbi, cpc);
unblock_operations(sbi);
stat_inc_cp_count(sbi->stat_info);
@@ -1461,7 +1468,7 @@ out:
return err;
}
-void init_ino_entry_info(struct f2fs_sb_info *sbi)
+void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi)
{
int i;
@@ -1479,23 +1486,23 @@ void init_ino_entry_info(struct f2fs_sb_info *sbi)
F2FS_ORPHANS_PER_BLOCK;
}
-int __init create_checkpoint_caches(void)
+int __init f2fs_create_checkpoint_caches(void)
{
ino_entry_slab = f2fs_kmem_cache_create("f2fs_ino_entry",
sizeof(struct ino_entry));
if (!ino_entry_slab)
return -ENOMEM;
- inode_entry_slab = f2fs_kmem_cache_create("f2fs_inode_entry",
+ f2fs_inode_entry_slab = f2fs_kmem_cache_create("f2fs_inode_entry",
sizeof(struct inode_entry));
- if (!inode_entry_slab) {
+ if (!f2fs_inode_entry_slab) {
kmem_cache_destroy(ino_entry_slab);
return -ENOMEM;
}
return 0;
}
-void destroy_checkpoint_caches(void)
+void f2fs_destroy_checkpoint_caches(void)
{
kmem_cache_destroy(ino_entry_slab);
- kmem_cache_destroy(inode_entry_slab);
+ kmem_cache_destroy(f2fs_inode_entry_slab);
}
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 02237d4d91f5..8f931d699287 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -19,8 +19,6 @@
#include <linux/bio.h>
#include <linux/prefetch.h>
#include <linux/uio.h>
-#include <linux/mm.h>
-#include <linux/memcontrol.h>
#include <linux/cleancache.h>
#include <linux/sched/signal.h>
@@ -30,6 +28,11 @@
#include "trace.h"
#include <trace/events/f2fs.h>
+#define NUM_PREALLOC_POST_READ_CTXS 128
+
+static struct kmem_cache *bio_post_read_ctx_cache;
+static mempool_t *bio_post_read_ctx_pool;
+
static bool __is_cp_guaranteed(struct page *page)
{
struct address_space *mapping = page->mapping;
@@ -45,16 +48,84 @@ static bool __is_cp_guaranteed(struct page *page)
if (inode->i_ino == F2FS_META_INO(sbi) ||
inode->i_ino == F2FS_NODE_INO(sbi) ||
S_ISDIR(inode->i_mode) ||
+ (S_ISREG(inode->i_mode) &&
+ is_inode_flag_set(inode, FI_ATOMIC_FILE)) ||
is_cold_data(page))
return true;
return false;
}
-static void f2fs_read_end_io(struct bio *bio)
+/* postprocessing steps for read bios */
+enum bio_post_read_step {
+ STEP_INITIAL = 0,
+ STEP_DECRYPT,
+};
+
+struct bio_post_read_ctx {
+ struct bio *bio;
+ struct work_struct work;
+ unsigned int cur_step;
+ unsigned int enabled_steps;
+};
+
+static void __read_end_io(struct bio *bio)
{
- struct bio_vec *bvec;
+ struct page *page;
+ struct bio_vec *bv;
int i;
+ bio_for_each_segment_all(bv, bio, i) {
+ page = bv->bv_page;
+
+ /* PG_error was set if any post_read step failed */
+ if (bio->bi_status || PageError(page)) {
+ ClearPageUptodate(page);
+ SetPageError(page);
+ } else {
+ SetPageUptodate(page);
+ }
+ unlock_page(page);
+ }
+ if (bio->bi_private)
+ mempool_free(bio->bi_private, bio_post_read_ctx_pool);
+ bio_put(bio);
+}
+
+static void bio_post_read_processing(struct bio_post_read_ctx *ctx);
+
+static void decrypt_work(struct work_struct *work)
+{
+ struct bio_post_read_ctx *ctx =
+ container_of(work, struct bio_post_read_ctx, work);
+
+ fscrypt_decrypt_bio(ctx->bio);
+
+ bio_post_read_processing(ctx);
+}
+
+static void bio_post_read_processing(struct bio_post_read_ctx *ctx)
+{
+ switch (++ctx->cur_step) {
+ case STEP_DECRYPT:
+ if (ctx->enabled_steps & (1 << STEP_DECRYPT)) {
+ INIT_WORK(&ctx->work, decrypt_work);
+ fscrypt_enqueue_decrypt_work(&ctx->work);
+ return;
+ }
+ ctx->cur_step++;
+ /* fall-through */
+ default:
+ __read_end_io(ctx->bio);
+ }
+}
+
+static bool f2fs_bio_post_read_required(struct bio *bio)
+{
+ return bio->bi_private && !bio->bi_status;
+}
+
+static void f2fs_read_end_io(struct bio *bio)
+{
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(F2FS_P_SB(bio_first_page_all(bio)), FAULT_IO)) {
f2fs_show_injection_info(FAULT_IO);
@@ -62,28 +133,15 @@ static void f2fs_read_end_io(struct bio *bio)
}
#endif
- if (f2fs_bio_encrypted(bio)) {
- if (bio->bi_status) {
- fscrypt_release_ctx(bio->bi_private);
- } else {
- fscrypt_decrypt_bio_pages(bio->bi_private, bio);
- return;
- }
- }
-
- bio_for_each_segment_all(bvec, bio, i) {
- struct page *page = bvec->bv_page;
+ if (f2fs_bio_post_read_required(bio)) {
+ struct bio_post_read_ctx *ctx = bio->bi_private;
- if (!bio->bi_status) {
- if (!PageUptodate(page))
- SetPageUptodate(page);
- } else {
- ClearPageUptodate(page);
- SetPageError(page);
- }
- unlock_page(page);
+ ctx->cur_step = STEP_INITIAL;
+ bio_post_read_processing(ctx);
+ return;
}
- bio_put(bio);
+
+ __read_end_io(bio);
}
static void f2fs_write_end_io(struct bio *bio)
@@ -189,7 +247,7 @@ static struct bio *__bio_alloc(struct f2fs_sb_info *sbi, block_t blk_addr,
} else {
bio->bi_end_io = f2fs_write_end_io;
bio->bi_private = sbi;
- bio->bi_write_hint = io_type_to_rw_hint(sbi, type, temp);
+ bio->bi_write_hint = f2fs_io_type_to_rw_hint(sbi, type, temp);
}
if (wbc)
wbc_init_bio(wbc, bio);
@@ -404,13 +462,12 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
return 0;
}
-int f2fs_submit_page_write(struct f2fs_io_info *fio)
+void f2fs_submit_page_write(struct f2fs_io_info *fio)
{
struct f2fs_sb_info *sbi = fio->sbi;
enum page_type btype = PAGE_TYPE_OF_BIO(fio->type);
struct f2fs_bio_info *io = sbi->write_io[btype] + fio->temp;
struct page *bio_page;
- int err = 0;
f2fs_bug_on(sbi, is_read_io(fio->op));
@@ -420,7 +477,7 @@ next:
spin_lock(&io->io_lock);
if (list_empty(&io->io_list)) {
spin_unlock(&io->io_lock);
- goto out_fail;
+ goto out;
}
fio = list_first_entry(&io->io_list,
struct f2fs_io_info, list);
@@ -428,7 +485,7 @@ next:
spin_unlock(&io->io_lock);
}
- if (fio->old_blkaddr != NEW_ADDR)
+ if (is_valid_blkaddr(fio->old_blkaddr))
verify_block_addr(fio, fio->old_blkaddr);
verify_block_addr(fio, fio->new_blkaddr);
@@ -447,9 +504,9 @@ alloc_new:
if (io->bio == NULL) {
if ((fio->type == DATA || fio->type == NODE) &&
fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) {
- err = -EAGAIN;
dec_page_count(sbi, WB_DATA_TYPE(bio_page));
- goto out_fail;
+ fio->retry = true;
+ goto skip;
}
io->bio = __bio_alloc(sbi, fio->new_blkaddr, fio->io_wbc,
BIO_MAX_PAGES, false,
@@ -469,41 +526,44 @@ alloc_new:
f2fs_trace_ios(fio, 0);
trace_f2fs_submit_page_write(fio->page, fio);
-
+skip:
if (fio->in_list)
goto next;
-out_fail:
+out:
up_write(&io->io_rwsem);
- return err;
}
static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr,
unsigned nr_pages)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- struct fscrypt_ctx *ctx = NULL;
struct bio *bio;
-
- if (f2fs_encrypted_file(inode)) {
- ctx = fscrypt_get_ctx(inode, GFP_NOFS);
- if (IS_ERR(ctx))
- return ERR_CAST(ctx);
-
- /* wait the page to be moved by cleaning */
- f2fs_wait_on_block_writeback(sbi, blkaddr);
- }
+ struct bio_post_read_ctx *ctx;
+ unsigned int post_read_steps = 0;
bio = f2fs_bio_alloc(sbi, min_t(int, nr_pages, BIO_MAX_PAGES), false);
- if (!bio) {
- if (ctx)
- fscrypt_release_ctx(ctx);
+ if (!bio)
return ERR_PTR(-ENOMEM);
- }
f2fs_target_device(sbi, blkaddr, bio);
bio->bi_end_io = f2fs_read_end_io;
- bio->bi_private = ctx;
bio_set_op_attrs(bio, REQ_OP_READ, 0);
+ if (f2fs_encrypted_file(inode))
+ post_read_steps |= 1 << STEP_DECRYPT;
+ if (post_read_steps) {
+ ctx = mempool_alloc(bio_post_read_ctx_pool, GFP_NOFS);
+ if (!ctx) {
+ bio_put(bio);
+ return ERR_PTR(-ENOMEM);
+ }
+ ctx->bio = bio;
+ ctx->enabled_steps = post_read_steps;
+ bio->bi_private = ctx;
+
+ /* wait the page to be moved by cleaning */
+ f2fs_wait_on_block_writeback(sbi, blkaddr);
+ }
+
return bio;
}
@@ -544,7 +604,7 @@ static void __set_data_blkaddr(struct dnode_of_data *dn)
* ->node_page
* update block addresses in the node page
*/
-void set_data_blkaddr(struct dnode_of_data *dn)
+void f2fs_set_data_blkaddr(struct dnode_of_data *dn)
{
f2fs_wait_on_page_writeback(dn->node_page, NODE, true);
__set_data_blkaddr(dn);
@@ -555,12 +615,12 @@ void set_data_blkaddr(struct dnode_of_data *dn)
void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr)
{
dn->data_blkaddr = blkaddr;
- set_data_blkaddr(dn);
+ f2fs_set_data_blkaddr(dn);
f2fs_update_extent_cache(dn);
}
/* dn->ofs_in_node will be returned with up-to-date last block pointer */
-int reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count)
+int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
int err;
@@ -594,12 +654,12 @@ int reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count)
}
/* Should keep dn->ofs_in_node unchanged */
-int reserve_new_block(struct dnode_of_data *dn)
+int f2fs_reserve_new_block(struct dnode_of_data *dn)
{
unsigned int ofs_in_node = dn->ofs_in_node;
int ret;
- ret = reserve_new_blocks(dn, 1);
+ ret = f2fs_reserve_new_blocks(dn, 1);
dn->ofs_in_node = ofs_in_node;
return ret;
}
@@ -609,12 +669,12 @@ int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index)
bool need_put = dn->inode_page ? false : true;
int err;
- err = get_dnode_of_data(dn, index, ALLOC_NODE);
+ err = f2fs_get_dnode_of_data(dn, index, ALLOC_NODE);
if (err)
return err;
if (dn->data_blkaddr == NULL_ADDR)
- err = reserve_new_block(dn);
+ err = f2fs_reserve_new_block(dn);
if (err || need_put)
f2fs_put_dnode(dn);
return err;
@@ -633,7 +693,7 @@ int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index)
return f2fs_reserve_block(dn, index);
}
-struct page *get_read_data_page(struct inode *inode, pgoff_t index,
+struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
int op_flags, bool for_write)
{
struct address_space *mapping = inode->i_mapping;
@@ -652,7 +712,7 @@ struct page *get_read_data_page(struct inode *inode, pgoff_t index,
}
set_new_dnode(&dn, inode, NULL, NULL, 0);
- err = get_dnode_of_data(&dn, index, LOOKUP_NODE);
+ err = f2fs_get_dnode_of_data(&dn, index, LOOKUP_NODE);
if (err)
goto put_err;
f2fs_put_dnode(&dn);
@@ -671,7 +731,8 @@ got_it:
* A new dentry page is allocated but not able to be written, since its
* new inode page couldn't be allocated due to -ENOSPC.
* In such the case, its blkaddr can be remained as NEW_ADDR.
- * see, f2fs_add_link -> get_new_data_page -> init_inode_metadata.
+ * see, f2fs_add_link -> f2fs_get_new_data_page ->
+ * f2fs_init_inode_metadata.
*/
if (dn.data_blkaddr == NEW_ADDR) {
zero_user_segment(page, 0, PAGE_SIZE);
@@ -691,7 +752,7 @@ put_err:
return ERR_PTR(err);
}
-struct page *find_data_page(struct inode *inode, pgoff_t index)
+struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index)
{
struct address_space *mapping = inode->i_mapping;
struct page *page;
@@ -701,7 +762,7 @@ struct page *find_data_page(struct inode *inode, pgoff_t index)
return page;
f2fs_put_page(page, 0);
- page = get_read_data_page(inode, index, 0, false);
+ page = f2fs_get_read_data_page(inode, index, 0, false);
if (IS_ERR(page))
return page;
@@ -721,13 +782,13 @@ struct page *find_data_page(struct inode *inode, pgoff_t index)
* Because, the callers, functions in dir.c and GC, should be able to know
* whether this page exists or not.
*/
-struct page *get_lock_data_page(struct inode *inode, pgoff_t index,
+struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index,
bool for_write)
{
struct address_space *mapping = inode->i_mapping;
struct page *page;
repeat:
- page = get_read_data_page(inode, index, 0, for_write);
+ page = f2fs_get_read_data_page(inode, index, 0, for_write);
if (IS_ERR(page))
return page;
@@ -753,7 +814,7 @@ repeat:
* Note that, ipage is set only by make_empty_dir, and if any error occur,
* ipage should be released by this function.
*/
-struct page *get_new_data_page(struct inode *inode,
+struct page *f2fs_get_new_data_page(struct inode *inode,
struct page *ipage, pgoff_t index, bool new_i_size)
{
struct address_space *mapping = inode->i_mapping;
@@ -792,7 +853,7 @@ struct page *get_new_data_page(struct inode *inode,
/* if ipage exists, blkaddr should be NEW_ADDR */
f2fs_bug_on(F2FS_I_SB(inode), ipage);
- page = get_lock_data_page(inode, index, true);
+ page = f2fs_get_lock_data_page(inode, index, true);
if (IS_ERR(page))
return page;
}
@@ -824,15 +885,15 @@ static int __allocate_data_block(struct dnode_of_data *dn, int seg_type)
return err;
alloc:
- get_node_info(sbi, dn->nid, &ni);
+ f2fs_get_node_info(sbi, dn->nid, &ni);
set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version);
- allocate_data_block(sbi, NULL, dn->data_blkaddr, &dn->data_blkaddr,
+ f2fs_allocate_data_block(sbi, NULL, dn->data_blkaddr, &dn->data_blkaddr,
&sum, seg_type, NULL, false);
- set_data_blkaddr(dn);
+ f2fs_set_data_blkaddr(dn);
/* update i_size */
- fofs = start_bidx_of_node(ofs_of_node(dn->node_page), dn->inode) +
+ fofs = f2fs_start_bidx_of_node(ofs_of_node(dn->node_page), dn->inode) +
dn->ofs_in_node;
if (i_size_read(dn->inode) < ((loff_t)(fofs + 1) << PAGE_SHIFT))
f2fs_i_size_write(dn->inode,
@@ -870,7 +931,7 @@ int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from)
map.m_seg_type = NO_CHECK_TYPE;
if (direct_io) {
- map.m_seg_type = rw_hint_to_seg_type(iocb->ki_hint);
+ map.m_seg_type = f2fs_rw_hint_to_seg_type(iocb->ki_hint);
flag = f2fs_force_buffered_io(inode, WRITE) ?
F2FS_GET_BLOCK_PRE_AIO :
F2FS_GET_BLOCK_PRE_DIO;
@@ -960,7 +1021,7 @@ next_dnode:
/* When reading holes, we need its node page */
set_new_dnode(&dn, inode, NULL, NULL, 0);
- err = get_dnode_of_data(&dn, pgofs, mode);
+ err = f2fs_get_dnode_of_data(&dn, pgofs, mode);
if (err) {
if (flag == F2FS_GET_BLOCK_BMAP)
map->m_pblk = 0;
@@ -968,10 +1029,10 @@ next_dnode:
err = 0;
if (map->m_next_pgofs)
*map->m_next_pgofs =
- get_next_page_offset(&dn, pgofs);
+ f2fs_get_next_page_offset(&dn, pgofs);
if (map->m_next_extent)
*map->m_next_extent =
- get_next_page_offset(&dn, pgofs);
+ f2fs_get_next_page_offset(&dn, pgofs);
}
goto unlock_out;
}
@@ -984,7 +1045,7 @@ next_dnode:
next_block:
blkaddr = datablock_addr(dn.inode, dn.node_page, dn.ofs_in_node);
- if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR) {
+ if (!is_valid_blkaddr(blkaddr)) {
if (create) {
if (unlikely(f2fs_cp_error(sbi))) {
err = -EIO;
@@ -1057,7 +1118,7 @@ skip:
(pgofs == end || dn.ofs_in_node == end_offset)) {
dn.ofs_in_node = ofs_in_node;
- err = reserve_new_blocks(&dn, prealloc);
+ err = f2fs_reserve_new_blocks(&dn, prealloc);
if (err)
goto sync_out;
@@ -1176,7 +1237,7 @@ static int get_data_block_dio(struct inode *inode, sector_t iblock,
{
return __get_data_block(inode, iblock, bh_result, create,
F2FS_GET_BLOCK_DEFAULT, NULL,
- rw_hint_to_seg_type(
+ f2fs_rw_hint_to_seg_type(
inode->i_write_hint));
}
@@ -1221,7 +1282,7 @@ static int f2fs_xattr_fiemap(struct inode *inode,
if (!page)
return -ENOMEM;
- get_node_info(sbi, inode->i_ino, &ni);
+ f2fs_get_node_info(sbi, inode->i_ino, &ni);
phys = (__u64)blk_to_logical(inode, ni.blk_addr);
offset = offsetof(struct f2fs_inode, i_addr) +
@@ -1248,7 +1309,7 @@ static int f2fs_xattr_fiemap(struct inode *inode,
if (!page)
return -ENOMEM;
- get_node_info(sbi, xnid, &ni);
+ f2fs_get_node_info(sbi, xnid, &ni);
phys = (__u64)blk_to_logical(inode, ni.blk_addr);
len = inode->i_sb->s_blocksize;
@@ -1525,7 +1586,7 @@ static int encrypt_one_page(struct f2fs_io_info *fio)
if (!f2fs_encrypted_file(inode))
return 0;
- /* wait for GCed encrypted page writeback */
+ /* wait for GCed page writeback via META_MAPPING */
f2fs_wait_on_block_writeback(fio->sbi, fio->old_blkaddr);
retry_encrypt:
@@ -1552,12 +1613,12 @@ static inline bool check_inplace_update_policy(struct inode *inode,
if (policy & (0x1 << F2FS_IPU_FORCE))
return true;
- if (policy & (0x1 << F2FS_IPU_SSR) && need_SSR(sbi))
+ if (policy & (0x1 << F2FS_IPU_SSR) && f2fs_need_SSR(sbi))
return true;
if (policy & (0x1 << F2FS_IPU_UTIL) &&
utilization(sbi) > SM_I(sbi)->min_ipu_util)
return true;
- if (policy & (0x1 << F2FS_IPU_SSR_UTIL) && need_SSR(sbi) &&
+ if (policy & (0x1 << F2FS_IPU_SSR_UTIL) && f2fs_need_SSR(sbi) &&
utilization(sbi) > SM_I(sbi)->min_ipu_util)
return true;
@@ -1578,7 +1639,7 @@ static inline bool check_inplace_update_policy(struct inode *inode,
return false;
}
-bool should_update_inplace(struct inode *inode, struct f2fs_io_info *fio)
+bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio)
{
if (f2fs_is_pinned_file(inode))
return true;
@@ -1590,7 +1651,7 @@ bool should_update_inplace(struct inode *inode, struct f2fs_io_info *fio)
return check_inplace_update_policy(inode, fio);
}
-bool should_update_outplace(struct inode *inode, struct f2fs_io_info *fio)
+bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
@@ -1613,22 +1674,13 @@ static inline bool need_inplace_update(struct f2fs_io_info *fio)
{
struct inode *inode = fio->page->mapping->host;
- if (should_update_outplace(inode, fio))
+ if (f2fs_should_update_outplace(inode, fio))
return false;
- return should_update_inplace(inode, fio);
+ return f2fs_should_update_inplace(inode, fio);
}
-static inline bool valid_ipu_blkaddr(struct f2fs_io_info *fio)
-{
- if (fio->old_blkaddr == NEW_ADDR)
- return false;
- if (fio->old_blkaddr == NULL_ADDR)
- return false;
- return true;
-}
-
-int do_write_data_page(struct f2fs_io_info *fio)
+int f2fs_do_write_data_page(struct f2fs_io_info *fio)
{
struct page *page = fio->page;
struct inode *inode = page->mapping->host;
@@ -1642,7 +1694,7 @@ int do_write_data_page(struct f2fs_io_info *fio)
f2fs_lookup_extent_cache(inode, page->index, &ei)) {
fio->old_blkaddr = ei.blk + page->index - ei.fofs;
- if (valid_ipu_blkaddr(fio)) {
+ if (is_valid_blkaddr(fio->old_blkaddr)) {
ipu_force = true;
fio->need_lock = LOCK_DONE;
goto got_it;
@@ -1653,7 +1705,7 @@ int do_write_data_page(struct f2fs_io_info *fio)
if (fio->need_lock == LOCK_REQ && !f2fs_trylock_op(fio->sbi))
return -EAGAIN;
- err = get_dnode_of_data(&dn, page->index, LOOKUP_NODE);
+ err = f2fs_get_dnode_of_data(&dn, page->index, LOOKUP_NODE);
if (err)
goto out;
@@ -1669,16 +1721,18 @@ got_it:
* If current allocation needs SSR,
* it had better in-place writes for updated data.
*/
- if (ipu_force || (valid_ipu_blkaddr(fio) && need_inplace_update(fio))) {
+ if (ipu_force || (is_valid_blkaddr(fio->old_blkaddr) &&
+ need_inplace_update(fio))) {
err = encrypt_one_page(fio);
if (err)
goto out_writepage;
set_page_writeback(page);
+ ClearPageError(page);
f2fs_put_dnode(&dn);
if (fio->need_lock == LOCK_REQ)
f2fs_unlock_op(fio->sbi);
- err = rewrite_data_page(fio);
+ err = f2fs_inplace_write_data(fio);
trace_f2fs_do_write_data_page(fio->page, IPU);
set_inode_flag(inode, FI_UPDATE_WRITE);
return err;
@@ -1697,9 +1751,10 @@ got_it:
goto out_writepage;
set_page_writeback(page);
+ ClearPageError(page);
/* LFS mode write path */
- write_data_page(&dn, fio);
+ f2fs_outplace_write_data(&dn, fio);
trace_f2fs_do_write_data_page(page, OPU);
set_inode_flag(inode, FI_APPEND_WRITE);
if (page->index == 0)
@@ -1745,6 +1800,12 @@ static int __write_data_page(struct page *page, bool *submitted,
/* we should bypass data pages to proceed the kworkder jobs */
if (unlikely(f2fs_cp_error(sbi))) {
mapping_set_error(page->mapping, -EIO);
+ /*
+ * don't drop any dirty dentry pages for keeping lastest
+ * directory structure.
+ */
+ if (S_ISDIR(inode->i_mode))
+ goto redirty_out;
goto out;
}
@@ -1769,13 +1830,13 @@ write:
/* we should not write 0'th page having journal header */
if (f2fs_is_volatile_file(inode) && (!page->index ||
(!wbc->for_reclaim &&
- available_free_memory(sbi, BASE_CHECK))))
+ f2fs_available_free_memory(sbi, BASE_CHECK))))
goto redirty_out;
/* Dentry blocks are controlled by checkpoint */
if (S_ISDIR(inode->i_mode)) {
fio.need_lock = LOCK_DONE;
- err = do_write_data_page(&fio);
+ err = f2fs_do_write_data_page(&fio);
goto done;
}
@@ -1794,10 +1855,10 @@ write:
}
if (err == -EAGAIN) {
- err = do_write_data_page(&fio);
+ err = f2fs_do_write_data_page(&fio);
if (err == -EAGAIN) {
fio.need_lock = LOCK_REQ;
- err = do_write_data_page(&fio);
+ err = f2fs_do_write_data_page(&fio);
}
}
@@ -1822,7 +1883,7 @@ out:
if (wbc->for_reclaim) {
f2fs_submit_merged_write_cond(sbi, inode, 0, page->index, DATA);
clear_inode_flag(inode, FI_HOT_DATA);
- remove_dirty_inode(inode);
+ f2fs_remove_dirty_inode(inode);
submitted = NULL;
}
@@ -1842,7 +1903,13 @@ out:
redirty_out:
redirty_page_for_writepage(wbc, page);
- if (!err)
+ /*
+ * pageout() in MM traslates EAGAIN, so calls handle_write_error()
+ * -> mapping_set_error() -> set_bit(AS_EIO, ...).
+ * file_write_and_wait_range() will see EIO error, which is critical
+ * to return value of fsync() followed by atomic_write failure to user.
+ */
+ if (!err || wbc->for_reclaim)
return AOP_WRITEPAGE_ACTIVATE;
unlock_page(page);
return err;
@@ -1866,6 +1933,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
int ret = 0;
int done = 0;
struct pagevec pvec;
+ struct f2fs_sb_info *sbi = F2FS_M_SB(mapping);
int nr_pages;
pgoff_t uninitialized_var(writeback_index);
pgoff_t index;
@@ -1919,6 +1987,13 @@ retry:
struct page *page = pvec.pages[i];
bool submitted = false;
+ /* give a priority to WB_SYNC threads */
+ if (atomic_read(&sbi->wb_sync_req[DATA]) &&
+ wbc->sync_mode == WB_SYNC_NONE) {
+ done = 1;
+ break;
+ }
+
done_index = page->index;
retry_write:
lock_page(page);
@@ -1973,9 +2048,7 @@ continue_unlock:
last_idx = page->index;
}
- /* give a priority to WB_SYNC threads */
- if ((atomic_read(&F2FS_M_SB(mapping)->wb_sync_req) ||
- --wbc->nr_to_write <= 0) &&
+ if (--wbc->nr_to_write <= 0 &&
wbc->sync_mode == WB_SYNC_NONE) {
done = 1;
break;
@@ -2001,7 +2074,7 @@ continue_unlock:
return ret;
}
-int __f2fs_write_data_pages(struct address_space *mapping,
+static int __f2fs_write_data_pages(struct address_space *mapping,
struct writeback_control *wbc,
enum iostat_type io_type)
{
@@ -2024,7 +2097,7 @@ int __f2fs_write_data_pages(struct address_space *mapping,
if (S_ISDIR(inode->i_mode) && wbc->sync_mode == WB_SYNC_NONE &&
get_dirty_pages(inode) < nr_pages_to_skip(sbi, DATA) &&
- available_free_memory(sbi, DIRTY_DENTS))
+ f2fs_available_free_memory(sbi, DIRTY_DENTS))
goto skip_write;
/* skip writing during file defragment */
@@ -2035,8 +2108,8 @@ int __f2fs_write_data_pages(struct address_space *mapping,
/* to avoid spliting IOs due to mixed WB_SYNC_ALL and WB_SYNC_NONE */
if (wbc->sync_mode == WB_SYNC_ALL)
- atomic_inc(&sbi->wb_sync_req);
- else if (atomic_read(&sbi->wb_sync_req))
+ atomic_inc(&sbi->wb_sync_req[DATA]);
+ else if (atomic_read(&sbi->wb_sync_req[DATA]))
goto skip_write;
blk_start_plug(&plug);
@@ -2044,13 +2117,13 @@ int __f2fs_write_data_pages(struct address_space *mapping,
blk_finish_plug(&plug);
if (wbc->sync_mode == WB_SYNC_ALL)
- atomic_dec(&sbi->wb_sync_req);
+ atomic_dec(&sbi->wb_sync_req[DATA]);
/*
* if some pages were truncated, we cannot guarantee its mapping->host
* to detect pending bios.
*/
- remove_dirty_inode(inode);
+ f2fs_remove_dirty_inode(inode);
return ret;
skip_write:
@@ -2077,7 +2150,7 @@ static void f2fs_write_failed(struct address_space *mapping, loff_t to)
if (to > i_size) {
down_write(&F2FS_I(inode)->i_mmap_sem);
truncate_pagecache(inode, i_size);
- truncate_blocks(inode, i_size, true);
+ f2fs_truncate_blocks(inode, i_size, true);
up_write(&F2FS_I(inode)->i_mmap_sem);
}
}
@@ -2109,7 +2182,7 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
}
restart:
/* check inline_data */
- ipage = get_node_page(sbi, inode->i_ino);
+ ipage = f2fs_get_node_page(sbi, inode->i_ino);
if (IS_ERR(ipage)) {
err = PTR_ERR(ipage);
goto unlock_out;
@@ -2119,7 +2192,7 @@ restart:
if (f2fs_has_inline_data(inode)) {
if (pos + len <= MAX_INLINE_DATA(inode)) {
- read_inline_data(page, ipage);
+ f2fs_do_read_inline_data(page, ipage);
set_inode_flag(inode, FI_DATA_EXIST);
if (inode->i_nlink)
set_inline_node(ipage);
@@ -2137,7 +2210,7 @@ restart:
dn.data_blkaddr = ei.blk + index - ei.fofs;
} else {
/* hole case */
- err = get_dnode_of_data(&dn, index, LOOKUP_NODE);
+ err = f2fs_get_dnode_of_data(&dn, index, LOOKUP_NODE);
if (err || dn.data_blkaddr == NULL_ADDR) {
f2fs_put_dnode(&dn);
__do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO,
@@ -2174,7 +2247,7 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping,
trace_f2fs_write_begin(inode, pos, len, flags);
if (f2fs_is_atomic_file(inode) &&
- !available_free_memory(sbi, INMEM_PAGES)) {
+ !f2fs_available_free_memory(sbi, INMEM_PAGES)) {
err = -ENOMEM;
drop_atomic = true;
goto fail;
@@ -2222,8 +2295,8 @@ repeat:
f2fs_wait_on_page_writeback(page, DATA, false);
- /* wait for GCed encrypted page writeback */
- if (f2fs_encrypted_file(inode))
+ /* wait for GCed page writeback via META_MAPPING */
+ if (f2fs_post_read_required(inode))
f2fs_wait_on_block_writeback(sbi, blkaddr);
if (len == PAGE_SIZE || PageUptodate(page))
@@ -2258,7 +2331,7 @@ fail:
f2fs_put_page(page, 1);
f2fs_write_failed(mapping, pos + len);
if (drop_atomic)
- drop_inmem_pages_all(sbi);
+ f2fs_drop_inmem_pages_all(sbi, false);
return err;
}
@@ -2333,17 +2406,17 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
if (rw == WRITE && whint_mode == WHINT_MODE_OFF)
iocb->ki_hint = WRITE_LIFE_NOT_SET;
- if (!down_read_trylock(&F2FS_I(inode)->dio_rwsem[rw])) {
+ if (!down_read_trylock(&F2FS_I(inode)->i_gc_rwsem[rw])) {
if (iocb->ki_flags & IOCB_NOWAIT) {
iocb->ki_hint = hint;
err = -EAGAIN;
goto out;
}
- down_read(&F2FS_I(inode)->dio_rwsem[rw]);
+ down_read(&F2FS_I(inode)->i_gc_rwsem[rw]);
}
err = blockdev_direct_IO(iocb, inode, iter, get_data_block_dio);
- up_read(&F2FS_I(inode)->dio_rwsem[rw]);
+ up_read(&F2FS_I(inode)->i_gc_rwsem[rw]);
if (rw == WRITE) {
if (whint_mode == WHINT_MODE_OFF)
@@ -2380,13 +2453,13 @@ void f2fs_invalidate_page(struct page *page, unsigned int offset,
dec_page_count(sbi, F2FS_DIRTY_NODES);
} else {
inode_dec_dirty_pages(inode);
- remove_dirty_inode(inode);
+ f2fs_remove_dirty_inode(inode);
}
}
/* This is atomic written page, keep Private */
if (IS_ATOMIC_WRITTEN_PAGE(page))
- return drop_inmem_page(inode, page);
+ return f2fs_drop_inmem_page(inode, page);
set_page_private(page, 0);
ClearPagePrivate(page);
@@ -2407,35 +2480,6 @@ int f2fs_release_page(struct page *page, gfp_t wait)
return 1;
}
-/*
- * This was copied from __set_page_dirty_buffers which gives higher performance
- * in very high speed storages. (e.g., pmem)
- */
-void f2fs_set_page_dirty_nobuffers(struct page *page)
-{
- struct address_space *mapping = page->mapping;
- unsigned long flags;
-
- if (unlikely(!mapping))
- return;
-
- spin_lock(&mapping->private_lock);
- lock_page_memcg(page);
- SetPageDirty(page);
- spin_unlock(&mapping->private_lock);
-
- xa_lock_irqsave(&mapping->i_pages, flags);
- WARN_ON_ONCE(!PageUptodate(page));
- account_page_dirtied(page, mapping);
- radix_tree_tag_set(&mapping->i_pages,
- page_index(page), PAGECACHE_TAG_DIRTY);
- xa_unlock_irqrestore(&mapping->i_pages, flags);
- unlock_page_memcg(page);
-
- __mark_inode_dirty(mapping->host, I_DIRTY_PAGES);
- return;
-}
-
static int f2fs_set_data_page_dirty(struct page *page)
{
struct address_space *mapping = page->mapping;
@@ -2448,7 +2492,7 @@ static int f2fs_set_data_page_dirty(struct page *page)
if (f2fs_is_atomic_file(inode) && !f2fs_is_commit_atomic_write(inode)) {
if (!IS_ATOMIC_WRITTEN_PAGE(page)) {
- register_inmem_page(inode, page);
+ f2fs_register_inmem_page(inode, page);
return 1;
}
/*
@@ -2459,8 +2503,8 @@ static int f2fs_set_data_page_dirty(struct page *page)
}
if (!PageDirty(page)) {
- f2fs_set_page_dirty_nobuffers(page);
- update_dirty_page(inode, page);
+ __set_page_dirty_nobuffers(page);
+ f2fs_update_dirty_page(inode, page);
return 1;
}
return 0;
@@ -2555,3 +2599,38 @@ const struct address_space_operations f2fs_dblock_aops = {
.migratepage = f2fs_migrate_page,
#endif
};
+
+void f2fs_clear_radix_tree_dirty_tag(struct page *page)
+{
+ struct address_space *mapping = page_mapping(page);
+ unsigned long flags;
+
+ xa_lock_irqsave(&mapping->i_pages, flags);
+ radix_tree_tag_clear(&mapping->i_pages, page_index(page),
+ PAGECACHE_TAG_DIRTY);
+ xa_unlock_irqrestore(&mapping->i_pages, flags);
+}
+
+int __init f2fs_init_post_read_processing(void)
+{
+ bio_post_read_ctx_cache = KMEM_CACHE(bio_post_read_ctx, 0);
+ if (!bio_post_read_ctx_cache)
+ goto fail;
+ bio_post_read_ctx_pool =
+ mempool_create_slab_pool(NUM_PREALLOC_POST_READ_CTXS,
+ bio_post_read_ctx_cache);
+ if (!bio_post_read_ctx_pool)
+ goto fail_free_cache;
+ return 0;
+
+fail_free_cache:
+ kmem_cache_destroy(bio_post_read_ctx_cache);
+fail:
+ return -ENOMEM;
+}
+
+void __exit f2fs_destroy_post_read_processing(void)
+{
+ mempool_destroy(bio_post_read_ctx_pool);
+ kmem_cache_destroy(bio_post_read_ctx_cache);
+}
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index a66107b5cfff..2d65e77ae5cf 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -104,6 +104,8 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->avail_nids = NM_I(sbi)->available_nids;
si->alloc_nids = NM_I(sbi)->nid_cnt[PREALLOC_NID];
si->bg_gc = sbi->bg_gc;
+ si->skipped_atomic_files[BG_GC] = sbi->skipped_atomic_files[BG_GC];
+ si->skipped_atomic_files[FG_GC] = sbi->skipped_atomic_files[FG_GC];
si->util_free = (int)(free_user_blocks(sbi) >> sbi->log_blocks_per_seg)
* 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg)
/ 2;
@@ -342,6 +344,10 @@ static int stat_show(struct seq_file *s, void *v)
si->bg_data_blks);
seq_printf(s, " - node blocks : %d (%d)\n", si->node_blks,
si->bg_node_blks);
+ seq_printf(s, "Skipped : atomic write %llu (%llu)\n",
+ si->skipped_atomic_files[BG_GC] +
+ si->skipped_atomic_files[FG_GC],
+ si->skipped_atomic_files[BG_GC]);
seq_puts(s, "\nExtent Cache:\n");
seq_printf(s, " - Hit Count: L1-1:%llu L1-2:%llu L2:%llu\n",
si->hit_largest, si->hit_cached,
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 8c9c2f31b253..7f955c4e86a4 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -60,12 +60,12 @@ static unsigned char f2fs_type_by_mode[S_IFMT >> S_SHIFT] = {
[S_IFLNK >> S_SHIFT] = F2FS_FT_SYMLINK,
};
-void set_de_type(struct f2fs_dir_entry *de, umode_t mode)
+static void set_de_type(struct f2fs_dir_entry *de, umode_t mode)
{
de->file_type = f2fs_type_by_mode[(mode & S_IFMT) >> S_SHIFT];
}
-unsigned char get_de_type(struct f2fs_dir_entry *de)
+unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de)
{
if (de->file_type < F2FS_FT_MAX)
return f2fs_filetype_table[de->file_type];
@@ -97,14 +97,14 @@ static struct f2fs_dir_entry *find_in_block(struct page *dentry_page,
dentry_blk = (struct f2fs_dentry_block *)page_address(dentry_page);
make_dentry_ptr_block(NULL, &d, dentry_blk);
- de = find_target_dentry(fname, namehash, max_slots, &d);
+ de = f2fs_find_target_dentry(fname, namehash, max_slots, &d);
if (de)
*res_page = dentry_page;
return de;
}
-struct f2fs_dir_entry *find_target_dentry(struct fscrypt_name *fname,
+struct f2fs_dir_entry *f2fs_find_target_dentry(struct fscrypt_name *fname,
f2fs_hash_t namehash, int *max_slots,
struct f2fs_dentry_ptr *d)
{
@@ -171,7 +171,7 @@ static struct f2fs_dir_entry *find_in_level(struct inode *dir,
for (; bidx < end_block; bidx++) {
/* no need to allocate new dentry pages to all the indices */
- dentry_page = find_data_page(dir, bidx);
+ dentry_page = f2fs_find_data_page(dir, bidx);
if (IS_ERR(dentry_page)) {
if (PTR_ERR(dentry_page) == -ENOENT) {
room = true;
@@ -210,7 +210,7 @@ struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
if (f2fs_has_inline_dentry(dir)) {
*res_page = NULL;
- de = find_in_inline_dir(dir, fname, res_page);
+ de = f2fs_find_in_inline_dir(dir, fname, res_page);
goto out;
}
@@ -319,7 +319,7 @@ static void init_dent_inode(const struct qstr *name, struct page *ipage)
set_page_dirty(ipage);
}
-void do_make_empty_dir(struct inode *inode, struct inode *parent,
+void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent,
struct f2fs_dentry_ptr *d)
{
struct qstr dot = QSTR_INIT(".", 1);
@@ -340,23 +340,23 @@ static int make_empty_dir(struct inode *inode,
struct f2fs_dentry_ptr d;
if (f2fs_has_inline_dentry(inode))
- return make_empty_inline_dir(inode, parent, page);
+ return f2fs_make_empty_inline_dir(inode, parent, page);
- dentry_page = get_new_data_page(inode, page, 0, true);
+ dentry_page = f2fs_get_new_data_page(inode, page, 0, true);
if (IS_ERR(dentry_page))
return PTR_ERR(dentry_page);
dentry_blk = page_address(dentry_page);
make_dentry_ptr_block(NULL, &d, dentry_blk);
- do_make_empty_dir(inode, parent, &d);
+ f2fs_do_make_empty_dir(inode, parent, &d);
set_page_dirty(dentry_page);
f2fs_put_page(dentry_page, 1);
return 0;
}
-struct page *init_inode_metadata(struct inode *inode, struct inode *dir,
+struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
const struct qstr *new_name, const struct qstr *orig_name,
struct page *dpage)
{
@@ -365,7 +365,7 @@ struct page *init_inode_metadata(struct inode *inode, struct inode *dir,
int err;
if (is_inode_flag_set(inode, FI_NEW_INODE)) {
- page = new_inode_page(inode);
+ page = f2fs_new_inode_page(inode);
if (IS_ERR(page))
return page;
@@ -395,7 +395,7 @@ struct page *init_inode_metadata(struct inode *inode, struct inode *dir,
goto put_error;
}
} else {
- page = get_node_page(F2FS_I_SB(dir), inode->i_ino);
+ page = f2fs_get_node_page(F2FS_I_SB(dir), inode->i_ino);
if (IS_ERR(page))
return page;
}
@@ -418,19 +418,19 @@ struct page *init_inode_metadata(struct inode *inode, struct inode *dir,
* we should remove this inode from orphan list.
*/
if (inode->i_nlink == 0)
- remove_orphan_inode(F2FS_I_SB(dir), inode->i_ino);
+ f2fs_remove_orphan_inode(F2FS_I_SB(dir), inode->i_ino);
f2fs_i_links_write(inode, true);
}
return page;
put_error:
clear_nlink(inode);
- update_inode(inode, page);
+ f2fs_update_inode(inode, page);
f2fs_put_page(page, 1);
return ERR_PTR(err);
}
-void update_parent_metadata(struct inode *dir, struct inode *inode,
+void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode,
unsigned int current_depth)
{
if (inode && is_inode_flag_set(inode, FI_NEW_INODE)) {
@@ -448,7 +448,7 @@ void update_parent_metadata(struct inode *dir, struct inode *inode,
clear_inode_flag(inode, FI_INC_LINK);
}
-int room_for_filename(const void *bitmap, int slots, int max_slots)
+int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots)
{
int bit_start = 0;
int zero_start, zero_end;
@@ -537,12 +537,12 @@ start:
(le32_to_cpu(dentry_hash) % nbucket));
for (block = bidx; block <= (bidx + nblock - 1); block++) {
- dentry_page = get_new_data_page(dir, NULL, block, true);
+ dentry_page = f2fs_get_new_data_page(dir, NULL, block, true);
if (IS_ERR(dentry_page))
return PTR_ERR(dentry_page);
dentry_blk = page_address(dentry_page);
- bit_pos = room_for_filename(&dentry_blk->dentry_bitmap,
+ bit_pos = f2fs_room_for_filename(&dentry_blk->dentry_bitmap,
slots, NR_DENTRY_IN_BLOCK);
if (bit_pos < NR_DENTRY_IN_BLOCK)
goto add_dentry;
@@ -558,7 +558,7 @@ add_dentry:
if (inode) {
down_write(&F2FS_I(inode)->i_sem);
- page = init_inode_metadata(inode, dir, new_name,
+ page = f2fs_init_inode_metadata(inode, dir, new_name,
orig_name, NULL);
if (IS_ERR(page)) {
err = PTR_ERR(page);
@@ -576,7 +576,7 @@ add_dentry:
f2fs_put_page(page, 1);
}
- update_parent_metadata(dir, inode, current_depth);
+ f2fs_update_parent_metadata(dir, inode, current_depth);
fail:
if (inode)
up_write(&F2FS_I(inode)->i_sem);
@@ -586,7 +586,7 @@ fail:
return err;
}
-int __f2fs_do_add_link(struct inode *dir, struct fscrypt_name *fname,
+int f2fs_add_dentry(struct inode *dir, struct fscrypt_name *fname,
struct inode *inode, nid_t ino, umode_t mode)
{
struct qstr new_name;
@@ -610,7 +610,7 @@ int __f2fs_do_add_link(struct inode *dir, struct fscrypt_name *fname,
* Caller should grab and release a rwsem by calling f2fs_lock_op() and
* f2fs_unlock_op().
*/
-int __f2fs_add_link(struct inode *dir, const struct qstr *name,
+int f2fs_do_add_link(struct inode *dir, const struct qstr *name,
struct inode *inode, nid_t ino, umode_t mode)
{
struct fscrypt_name fname;
@@ -639,7 +639,7 @@ int __f2fs_add_link(struct inode *dir, const struct qstr *name,
} else if (IS_ERR(page)) {
err = PTR_ERR(page);
} else {
- err = __f2fs_do_add_link(dir, &fname, inode, ino, mode);
+ err = f2fs_add_dentry(dir, &fname, inode, ino, mode);
}
fscrypt_free_filename(&fname);
return err;
@@ -651,7 +651,7 @@ int f2fs_do_tmpfile(struct inode *inode, struct inode *dir)
int err = 0;
down_write(&F2FS_I(inode)->i_sem);
- page = init_inode_metadata(inode, dir, NULL, NULL, NULL);
+ page = f2fs_init_inode_metadata(inode, dir, NULL, NULL, NULL);
if (IS_ERR(page)) {
err = PTR_ERR(page);
goto fail;
@@ -683,9 +683,9 @@ void f2fs_drop_nlink(struct inode *dir, struct inode *inode)
up_write(&F2FS_I(inode)->i_sem);
if (inode->i_nlink == 0)
- add_orphan_inode(inode);
+ f2fs_add_orphan_inode(inode);
else
- release_orphan_inode(sbi);
+ f2fs_release_orphan_inode(sbi);
}
/*
@@ -698,14 +698,12 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
struct f2fs_dentry_block *dentry_blk;
unsigned int bit_pos;
int slots = GET_DENTRY_SLOTS(le16_to_cpu(dentry->name_len));
- struct address_space *mapping = page_mapping(page);
- unsigned long flags;
int i;
f2fs_update_time(F2FS_I_SB(dir), REQ_TIME);
if (F2FS_OPTION(F2FS_I_SB(dir)).fsync_mode == FSYNC_MODE_STRICT)
- add_ino_entry(F2FS_I_SB(dir), dir->i_ino, TRANS_DIR_INO);
+ f2fs_add_ino_entry(F2FS_I_SB(dir), dir->i_ino, TRANS_DIR_INO);
if (f2fs_has_inline_dentry(dir))
return f2fs_delete_inline_entry(dentry, page, dir, inode);
@@ -731,17 +729,13 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
f2fs_drop_nlink(dir, inode);
if (bit_pos == NR_DENTRY_IN_BLOCK &&
- !truncate_hole(dir, page->index, page->index + 1)) {
- xa_lock_irqsave(&mapping->i_pages, flags);
- radix_tree_tag_clear(&mapping->i_pages, page_index(page),
- PAGECACHE_TAG_DIRTY);
- xa_unlock_irqrestore(&mapping->i_pages, flags);
-
+ !f2fs_truncate_hole(dir, page->index, page->index + 1)) {
+ f2fs_clear_radix_tree_dirty_tag(page);
clear_page_dirty_for_io(page);
ClearPagePrivate(page);
ClearPageUptodate(page);
inode_dec_dirty_pages(dir);
- remove_dirty_inode(dir);
+ f2fs_remove_dirty_inode(dir);
}
f2fs_put_page(page, 1);
}
@@ -758,7 +752,7 @@ bool f2fs_empty_dir(struct inode *dir)
return f2fs_empty_inline_dir(dir);
for (bidx = 0; bidx < nblock; bidx++) {
- dentry_page = get_lock_data_page(dir, bidx, false);
+ dentry_page = f2fs_get_lock_data_page(dir, bidx, false);
if (IS_ERR(dentry_page)) {
if (PTR_ERR(dentry_page) == -ENOENT)
continue;
@@ -806,7 +800,7 @@ int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
continue;
}
- d_type = get_de_type(de);
+ d_type = f2fs_get_de_type(de);
de_name.name = d->filename[bit_pos];
de_name.len = le16_to_cpu(de->name_len);
@@ -830,7 +824,7 @@ int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
return 1;
if (sbi->readdir_ra == 1)
- ra_node_page(sbi, le32_to_cpu(de->ino));
+ f2fs_ra_node_page(sbi, le32_to_cpu(de->ino));
bit_pos += GET_DENTRY_SLOTS(le16_to_cpu(de->name_len));
ctx->pos = start_pos + bit_pos;
@@ -880,7 +874,7 @@ static int f2fs_readdir(struct file *file, struct dir_context *ctx)
page_cache_sync_readahead(inode->i_mapping, ra, file, n,
min(npages - n, (pgoff_t)MAX_DIR_RA_PAGES));
- dentry_page = get_lock_data_page(inode, n, false);
+ dentry_page = f2fs_get_lock_data_page(inode, n, false);
if (IS_ERR(dentry_page)) {
err = PTR_ERR(dentry_page);
if (err == -ENOENT) {
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index d5a861bf2b42..231b77ef5a53 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -49,7 +49,7 @@ static struct rb_entry *__lookup_rb_tree_slow(struct rb_root *root,
return NULL;
}
-struct rb_entry *__lookup_rb_tree(struct rb_root *root,
+struct rb_entry *f2fs_lookup_rb_tree(struct rb_root *root,
struct rb_entry *cached_re, unsigned int ofs)
{
struct rb_entry *re;
@@ -61,7 +61,7 @@ struct rb_entry *__lookup_rb_tree(struct rb_root *root,
return re;
}
-struct rb_node **__lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi,
+struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi,
struct rb_root *root, struct rb_node **parent,
unsigned int ofs)
{
@@ -92,7 +92,7 @@ struct rb_node **__lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi,
* in order to simpfy the insertion after.
* tree must stay unchanged between lookup and insertion.
*/
-struct rb_entry *__lookup_rb_tree_ret(struct rb_root *root,
+struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root *root,
struct rb_entry *cached_re,
unsigned int ofs,
struct rb_entry **prev_entry,
@@ -159,7 +159,7 @@ lookup_neighbors:
return re;
}
-bool __check_rb_tree_consistence(struct f2fs_sb_info *sbi,
+bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi,
struct rb_root *root)
{
#ifdef CONFIG_F2FS_CHECK_FS
@@ -390,7 +390,7 @@ static bool f2fs_lookup_extent_tree(struct inode *inode, pgoff_t pgofs,
goto out;
}
- en = (struct extent_node *)__lookup_rb_tree(&et->root,
+ en = (struct extent_node *)f2fs_lookup_rb_tree(&et->root,
(struct rb_entry *)et->cached_en, pgofs);
if (!en)
goto out;
@@ -470,7 +470,7 @@ static struct extent_node *__insert_extent_tree(struct inode *inode,
goto do_insert;
}
- p = __lookup_rb_tree_for_insert(sbi, &et->root, &parent, ei->fofs);
+ p = f2fs_lookup_rb_tree_for_insert(sbi, &et->root, &parent, ei->fofs);
do_insert:
en = __attach_extent_node(sbi, et, ei, parent, p);
if (!en)
@@ -520,7 +520,7 @@ static void f2fs_update_extent_tree_range(struct inode *inode,
__drop_largest_extent(inode, fofs, len);
/* 1. lookup first extent node in range [fofs, fofs + len - 1] */
- en = (struct extent_node *)__lookup_rb_tree_ret(&et->root,
+ en = (struct extent_node *)f2fs_lookup_rb_tree_ret(&et->root,
(struct rb_entry *)et->cached_en, fofs,
(struct rb_entry **)&prev_en,
(struct rb_entry **)&next_en,
@@ -773,7 +773,7 @@ void f2fs_update_extent_cache(struct dnode_of_data *dn)
else
blkaddr = dn->data_blkaddr;
- fofs = start_bidx_of_node(ofs_of_node(dn->node_page), dn->inode) +
+ fofs = f2fs_start_bidx_of_node(ofs_of_node(dn->node_page), dn->inode) +
dn->ofs_in_node;
f2fs_update_extent_tree_range(dn->inode, fofs, blkaddr, 1);
}
@@ -788,7 +788,7 @@ void f2fs_update_extent_cache_range(struct dnode_of_data *dn,
f2fs_update_extent_tree_range(dn->inode, fofs, blkaddr, len);
}
-void init_extent_cache_info(struct f2fs_sb_info *sbi)
+void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi)
{
INIT_RADIX_TREE(&sbi->extent_tree_root, GFP_NOIO);
mutex_init(&sbi->extent_tree_lock);
@@ -800,7 +800,7 @@ void init_extent_cache_info(struct f2fs_sb_info *sbi)
atomic_set(&sbi->total_ext_node, 0);
}
-int __init create_extent_cache(void)
+int __init f2fs_create_extent_cache(void)
{
extent_tree_slab = f2fs_kmem_cache_create("f2fs_extent_tree",
sizeof(struct extent_tree));
@@ -815,7 +815,7 @@ int __init create_extent_cache(void)
return 0;
}
-void destroy_extent_cache(void)
+void f2fs_destroy_extent_cache(void)
{
kmem_cache_destroy(extent_node_slab);
kmem_cache_destroy(extent_tree_slab);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 1df7f10476d6..4c09e770a0a3 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -176,15 +176,13 @@ enum {
#define CP_DISCARD 0x00000010
#define CP_TRIMMED 0x00000020
-#define DEF_BATCHED_TRIM_SECTIONS 2048
-#define BATCHED_TRIM_SEGMENTS(sbi) \
- (GET_SEG_FROM_SEC(sbi, SM_I(sbi)->trim_sections))
-#define BATCHED_TRIM_BLOCKS(sbi) \
- (BATCHED_TRIM_SEGMENTS(sbi) << (sbi)->log_blocks_per_seg)
#define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
#define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
+#define DEF_MAX_DISCARD_LEN 512 /* Max. 2MB per discard */
#define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
+#define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */
#define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */
+#define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */
#define DEF_CP_INTERVAL 60 /* 60 secs */
#define DEF_IDLE_INTERVAL 5 /* 5 secs */
@@ -285,6 +283,7 @@ enum {
struct discard_policy {
int type; /* type of discard */
unsigned int min_interval; /* used for candidates exist */
+ unsigned int mid_interval; /* used for device busy */
unsigned int max_interval; /* used for candidates not exist */
unsigned int max_requests; /* # of discards issued per round */
unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */
@@ -620,15 +619,20 @@ enum {
#define DEF_DIR_LEVEL 0
+enum {
+ GC_FAILURE_PIN,
+ GC_FAILURE_ATOMIC,
+ MAX_GC_FAILURE
+};
+
struct f2fs_inode_info {
struct inode vfs_inode; /* serve a vfs inode */
unsigned long i_flags; /* keep an inode flags for ioctl */
unsigned char i_advise; /* use to give file attribute hints */
unsigned char i_dir_level; /* use for dentry level for large dir */
- union {
- unsigned int i_current_depth; /* only for directory depth */
- unsigned short i_gc_failures; /* only for regular file */
- };
+ unsigned int i_current_depth; /* only for directory depth */
+ /* for gc failure statistic */
+ unsigned int i_gc_failures[MAX_GC_FAILURE];
unsigned int i_pino; /* parent inode number */
umode_t i_acl_mode; /* keep file acl mode temporarily */
@@ -656,7 +660,9 @@ struct f2fs_inode_info {
struct task_struct *inmem_task; /* store inmemory task */
struct mutex inmem_lock; /* lock for inmemory pages */
struct extent_tree *extent_tree; /* cached extent_tree entry */
- struct rw_semaphore dio_rwsem[2];/* avoid racing between dio and gc */
+
+ /* avoid racing between foreground op and gc */
+ struct rw_semaphore i_gc_rwsem[2];
struct rw_semaphore i_mmap_sem;
struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */
@@ -694,7 +700,8 @@ static inline void set_extent_info(struct extent_info *ei, unsigned int fofs,
static inline bool __is_discard_mergeable(struct discard_info *back,
struct discard_info *front)
{
- return back->lstart + back->len == front->lstart;
+ return (back->lstart + back->len == front->lstart) &&
+ (back->len + front->len < DEF_MAX_DISCARD_LEN);
}
static inline bool __is_discard_back_mergeable(struct discard_info *cur,
@@ -1005,6 +1012,7 @@ struct f2fs_io_info {
int need_lock; /* indicate we need to lock cp_rwsem */
bool in_list; /* indicate fio is in io_list */
bool is_meta; /* indicate borrow meta inode mapping or not */
+ bool retry; /* need to reallocate block address */
enum iostat_type io_type; /* io type */
struct writeback_control *io_wbc; /* writeback control */
};
@@ -1067,6 +1075,13 @@ enum {
};
enum {
+ GC_NORMAL,
+ GC_IDLE_CB,
+ GC_IDLE_GREEDY,
+ GC_URGENT,
+};
+
+enum {
WHINT_MODE_OFF, /* not pass down write hints */
WHINT_MODE_USER, /* try to pass down hints given by users */
WHINT_MODE_FS, /* pass down hints with F2FS policy */
@@ -1080,6 +1095,7 @@ enum {
enum fsync_mode {
FSYNC_MODE_POSIX, /* fsync follows posix semantics */
FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */
+ FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */
};
#ifdef CONFIG_F2FS_FS_ENCRYPTION
@@ -1113,6 +1129,8 @@ struct f2fs_sb_info {
struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */
struct mutex wio_mutex[NR_PAGE_TYPE - 1][NR_TEMP_TYPE];
/* bio ordering for NODE/DATA */
+ /* keep migration IO order for LFS mode */
+ struct rw_semaphore io_order_lock;
mempool_t *write_io_dummy; /* Dummy pages */
/* for checkpoint */
@@ -1183,7 +1201,7 @@ struct f2fs_sb_info {
struct percpu_counter alloc_valid_block_count;
/* writeback control */
- atomic_t wb_sync_req; /* count # of WB_SYNC threads */
+ atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */
/* valid inode count */
struct percpu_counter total_valid_inode_count;
@@ -1194,9 +1212,9 @@ struct f2fs_sb_info {
struct mutex gc_mutex; /* mutex for GC */
struct f2fs_gc_kthread *gc_thread; /* GC thread */
unsigned int cur_victim_sec; /* current victim section num */
-
- /* threshold for converting bg victims for fg */
- u64 fggc_threshold;
+ unsigned int gc_mode; /* current GC state */
+ /* for skip statistic */
+ unsigned long long skipped_atomic_files[2]; /* FG_GC and BG_GC */
/* threshold for gc trials on pinned files */
u64 gc_pin_file_threshold;
@@ -1587,18 +1605,6 @@ static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi)
}
/*
- * Check whether the given nid is within node id range.
- */
-static inline int check_nid_range(struct f2fs_sb_info *sbi, nid_t nid)
-{
- if (unlikely(nid < F2FS_ROOT_INO(sbi)))
- return -EINVAL;
- if (unlikely(nid >= NM_I(sbi)->max_nid))
- return -EINVAL;
- return 0;
-}
-
-/*
* Check whether the inode has blocks or not
*/
static inline int F2FS_HAS_BLOCKS(struct inode *inode)
@@ -1614,7 +1620,7 @@ static inline bool f2fs_has_xattr_block(unsigned int ofs)
}
static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi,
- struct inode *inode)
+ struct inode *inode, bool cap)
{
if (!inode)
return true;
@@ -1627,7 +1633,7 @@ static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi,
if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) &&
in_group_p(F2FS_OPTION(sbi).s_resgid))
return true;
- if (capable(CAP_SYS_RESOURCE))
+ if (cap && capable(CAP_SYS_RESOURCE))
return true;
return false;
}
@@ -1662,7 +1668,7 @@ static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
avail_user_block_count = sbi->user_block_count -
sbi->current_reserved_blocks;
- if (!__allow_reserved_blocks(sbi, inode))
+ if (!__allow_reserved_blocks(sbi, inode, true))
avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;
if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) {
@@ -1869,7 +1875,7 @@ static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
valid_block_count = sbi->total_valid_block_count +
sbi->current_reserved_blocks + 1;
- if (!__allow_reserved_blocks(sbi, inode))
+ if (!__allow_reserved_blocks(sbi, inode, false))
valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks;
if (unlikely(valid_block_count > sbi->user_block_count)) {
@@ -2156,9 +2162,60 @@ static inline void f2fs_change_bit(unsigned int nr, char *addr)
*addr ^= mask;
}
-#define F2FS_REG_FLMASK (~(FS_DIRSYNC_FL | FS_TOPDIR_FL))
-#define F2FS_OTHER_FLMASK (FS_NODUMP_FL | FS_NOATIME_FL)
-#define F2FS_FL_INHERITED (FS_PROJINHERIT_FL)
+/*
+ * Inode flags
+ */
+#define F2FS_SECRM_FL 0x00000001 /* Secure deletion */
+#define F2FS_UNRM_FL 0x00000002 /* Undelete */
+#define F2FS_COMPR_FL 0x00000004 /* Compress file */
+#define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */
+#define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
+#define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */
+#define F2FS_NODUMP_FL 0x00000040 /* do not dump file */
+#define F2FS_NOATIME_FL 0x00000080 /* do not update atime */
+/* Reserved for compression usage... */
+#define F2FS_DIRTY_FL 0x00000100
+#define F2FS_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */
+#define F2FS_NOCOMPR_FL 0x00000400 /* Don't compress */
+#define F2FS_ENCRYPT_FL 0x00000800 /* encrypted file */
+/* End compression flags --- maybe not all used */
+#define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */
+#define F2FS_IMAGIC_FL 0x00002000 /* AFS directory */
+#define F2FS_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */
+#define F2FS_NOTAIL_FL 0x00008000 /* file tail should not be merged */
+#define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
+#define F2FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
+#define F2FS_HUGE_FILE_FL 0x00040000 /* Set to each huge file */
+#define F2FS_EXTENTS_FL 0x00080000 /* Inode uses extents */
+#define F2FS_EA_INODE_FL 0x00200000 /* Inode used for large EA */
+#define F2FS_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
+#define F2FS_INLINE_DATA_FL 0x10000000 /* Inode has inline data. */
+#define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
+#define F2FS_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
+
+#define F2FS_FL_USER_VISIBLE 0x304BDFFF /* User visible flags */
+#define F2FS_FL_USER_MODIFIABLE 0x204BC0FF /* User modifiable flags */
+
+/* Flags we can manipulate with through F2FS_IOC_FSSETXATTR */
+#define F2FS_FL_XFLAG_VISIBLE (F2FS_SYNC_FL | \
+ F2FS_IMMUTABLE_FL | \
+ F2FS_APPEND_FL | \
+ F2FS_NODUMP_FL | \
+ F2FS_NOATIME_FL | \
+ F2FS_PROJINHERIT_FL)
+
+/* Flags that should be inherited by new inodes from their parent. */
+#define F2FS_FL_INHERITED (F2FS_SECRM_FL | F2FS_UNRM_FL | F2FS_COMPR_FL |\
+ F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL |\
+ F2FS_NOCOMPR_FL | F2FS_JOURNAL_DATA_FL |\
+ F2FS_NOTAIL_FL | F2FS_DIRSYNC_FL |\
+ F2FS_PROJINHERIT_FL)
+
+/* Flags that are appropriate for regular files (all but dir-specific ones). */
+#define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_TOPDIR_FL))
+
+/* Flags that are appropriate for non-directories/regular files. */
+#define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags)
{
@@ -2201,6 +2258,7 @@ enum {
FI_EXTRA_ATTR, /* indicate file has extra attribute */
FI_PROJ_INHERIT, /* indicate file inherits projectid */
FI_PIN_FILE, /* indicate file should not be gced */
+ FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */
};
static inline void __mark_inode_dirty_flag(struct inode *inode,
@@ -2299,7 +2357,7 @@ static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth)
static inline void f2fs_i_gc_failures_write(struct inode *inode,
unsigned int count)
{
- F2FS_I(inode)->i_gc_failures = count;
+ F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count;
f2fs_mark_inode_dirty_sync(inode, true);
}
@@ -2568,7 +2626,7 @@ static inline int get_inline_xattr_addrs(struct inode *inode)
return F2FS_I(inode)->i_inline_xattr_size;
}
-#define get_inode_mode(i) \
+#define f2fs_get_inode_mode(i) \
((is_inode_flag_set(i, FI_ACL_MODE)) ? \
(F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
@@ -2607,18 +2665,25 @@ static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi,
spin_unlock(&sbi->iostat_lock);
}
+static inline bool is_valid_blkaddr(block_t blkaddr)
+{
+ if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR)
+ return false;
+ return true;
+}
+
/*
* file.c
*/
int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
-void truncate_data_blocks(struct dnode_of_data *dn);
-int truncate_blocks(struct inode *inode, u64 from, bool lock);
+void f2fs_truncate_data_blocks(struct dnode_of_data *dn);
+int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock);
int f2fs_truncate(struct inode *inode);
int f2fs_getattr(const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags);
int f2fs_setattr(struct dentry *dentry, struct iattr *attr);
-int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end);
-void truncate_data_blocks_range(struct dnode_of_data *dn, int count);
+int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end);
+void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count);
int f2fs_precache_extents(struct inode *inode);
long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
@@ -2632,38 +2697,37 @@ bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page);
void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page);
struct inode *f2fs_iget(struct super_block *sb, unsigned long ino);
struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino);
-int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink);
-void update_inode(struct inode *inode, struct page *node_page);
-void update_inode_page(struct inode *inode);
+int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink);
+void f2fs_update_inode(struct inode *inode, struct page *node_page);
+void f2fs_update_inode_page(struct inode *inode);
int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc);
void f2fs_evict_inode(struct inode *inode);
-void handle_failed_inode(struct inode *inode);
+void f2fs_handle_failed_inode(struct inode *inode);
/*
* namei.c
*/
-int update_extension_list(struct f2fs_sb_info *sbi, const char *name,
+int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
bool hot, bool set);
struct dentry *f2fs_get_parent(struct dentry *child);
/*
* dir.c
*/
-void set_de_type(struct f2fs_dir_entry *de, umode_t mode);
-unsigned char get_de_type(struct f2fs_dir_entry *de);
-struct f2fs_dir_entry *find_target_dentry(struct fscrypt_name *fname,
+unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de);
+struct f2fs_dir_entry *f2fs_find_target_dentry(struct fscrypt_name *fname,
f2fs_hash_t namehash, int *max_slots,
struct f2fs_dentry_ptr *d);
int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
unsigned int start_pos, struct fscrypt_str *fstr);
-void do_make_empty_dir(struct inode *inode, struct inode *parent,
+void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent,
struct f2fs_dentry_ptr *d);
-struct page *init_inode_metadata(struct inode *inode, struct inode *dir,
+struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
const struct qstr *new_name,
const struct qstr *orig_name, struct page *dpage);
-void update_parent_metadata(struct inode *dir, struct inode *inode,
+void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode,
unsigned int current_depth);
-int room_for_filename(const void *bitmap, int slots, int max_slots);
+int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots);
void f2fs_drop_nlink(struct inode *dir, struct inode *inode);
struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
struct fscrypt_name *fname, struct page **res_page);
@@ -2680,9 +2744,9 @@ void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d,
int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name,
const struct qstr *orig_name,
struct inode *inode, nid_t ino, umode_t mode);
-int __f2fs_do_add_link(struct inode *dir, struct fscrypt_name *fname,
+int f2fs_add_dentry(struct inode *dir, struct fscrypt_name *fname,
struct inode *inode, nid_t ino, umode_t mode);
-int __f2fs_add_link(struct inode *dir, const struct qstr *name,
+int f2fs_do_add_link(struct inode *dir, const struct qstr *name,
struct inode *inode, nid_t ino, umode_t mode);
void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
struct inode *dir, struct inode *inode);
@@ -2691,7 +2755,7 @@ bool f2fs_empty_dir(struct inode *dir);
static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode)
{
- return __f2fs_add_link(d_inode(dentry->d_parent), &dentry->d_name,
+ return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name,
inode, inode->i_ino, inode->i_mode);
}
@@ -2706,7 +2770,7 @@ int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
int f2fs_sync_fs(struct super_block *sb, int sync);
extern __printf(3, 4)
void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...);
-int sanity_check_ckpt(struct f2fs_sb_info *sbi);
+int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi);
/*
* hash.c
@@ -2720,179 +2784,183 @@ f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info,
struct dnode_of_data;
struct node_info;
-bool available_free_memory(struct f2fs_sb_info *sbi, int type);
-int need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid);
-bool is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid);
-bool need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino);
-void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni);
-pgoff_t get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs);
-int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode);
-int truncate_inode_blocks(struct inode *inode, pgoff_t from);
-int truncate_xattr_node(struct inode *inode);
-int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino);
-int remove_inode_page(struct inode *inode);
-struct page *new_inode_page(struct inode *inode);
-struct page *new_node_page(struct dnode_of_data *dn, unsigned int ofs);
-void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid);
-struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid);
-struct page *get_node_page_ra(struct page *parent, int start);
-void move_node_page(struct page *node_page, int gc_type);
-int fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
+int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid);
+bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type);
+int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid);
+bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid);
+bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino);
+void f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
+ struct node_info *ni);
+pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs);
+int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode);
+int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from);
+int f2fs_truncate_xattr_node(struct inode *inode);
+int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino);
+int f2fs_remove_inode_page(struct inode *inode);
+struct page *f2fs_new_inode_page(struct inode *inode);
+struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs);
+void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid);
+struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid);
+struct page *f2fs_get_node_page_ra(struct page *parent, int start);
+void f2fs_move_node_page(struct page *node_page, int gc_type);
+int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
struct writeback_control *wbc, bool atomic);
-int sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc,
+int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
+ struct writeback_control *wbc,
bool do_balance, enum iostat_type io_type);
-void build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount);
-bool alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid);
-void alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid);
-void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid);
-int try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink);
-void recover_inline_xattr(struct inode *inode, struct page *page);
-int recover_xattr_data(struct inode *inode, struct page *page);
-int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page);
-void restore_node_summary(struct f2fs_sb_info *sbi,
+void f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount);
+bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid);
+void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid);
+void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid);
+int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink);
+void f2fs_recover_inline_xattr(struct inode *inode, struct page *page);
+int f2fs_recover_xattr_data(struct inode *inode, struct page *page);
+int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page);
+void f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
unsigned int segno, struct f2fs_summary_block *sum);
-void flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
-int build_node_manager(struct f2fs_sb_info *sbi);
-void destroy_node_manager(struct f2fs_sb_info *sbi);
-int __init create_node_manager_caches(void);
-void destroy_node_manager_caches(void);
+void f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
+int f2fs_build_node_manager(struct f2fs_sb_info *sbi);
+void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi);
+int __init f2fs_create_node_manager_caches(void);
+void f2fs_destroy_node_manager_caches(void);
/*
* segment.c
*/
-bool need_SSR(struct f2fs_sb_info *sbi);
-void register_inmem_page(struct inode *inode, struct page *page);
-void drop_inmem_pages_all(struct f2fs_sb_info *sbi);
-void drop_inmem_pages(struct inode *inode);
-void drop_inmem_page(struct inode *inode, struct page *page);
-int commit_inmem_pages(struct inode *inode);
+bool f2fs_need_SSR(struct f2fs_sb_info *sbi);
+void f2fs_register_inmem_page(struct inode *inode, struct page *page);
+void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure);
+void f2fs_drop_inmem_pages(struct inode *inode);
+void f2fs_drop_inmem_page(struct inode *inode, struct page *page);
+int f2fs_commit_inmem_pages(struct inode *inode);
void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need);
void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi);
int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino);
-int create_flush_cmd_control(struct f2fs_sb_info *sbi);
+int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi);
int f2fs_flush_device_cache(struct f2fs_sb_info *sbi);
-void destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free);
-void invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr);
-bool is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
-void init_discard_policy(struct discard_policy *dpolicy, int discard_type,
- unsigned int granularity);
-void drop_discard_cmd(struct f2fs_sb_info *sbi);
-void stop_discard_thread(struct f2fs_sb_info *sbi);
+void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free);
+void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr);
+bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
+void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi);
+void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi);
bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi);
-void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc);
-void release_discard_addrs(struct f2fs_sb_info *sbi);
-int npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
-void allocate_new_segments(struct f2fs_sb_info *sbi);
+void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
+ struct cp_control *cpc);
+void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi);
+int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
+void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi);
int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
-bool exist_trim_candidates(struct f2fs_sb_info *sbi, struct cp_control *cpc);
-struct page *get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno);
-void update_meta_page(struct f2fs_sb_info *sbi, void *src, block_t blk_addr);
-void write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
+bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
+ struct cp_control *cpc);
+struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno);
+void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src,
+ block_t blk_addr);
+void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
enum iostat_type io_type);
-void write_node_page(unsigned int nid, struct f2fs_io_info *fio);
-void write_data_page(struct dnode_of_data *dn, struct f2fs_io_info *fio);
-int rewrite_data_page(struct f2fs_io_info *fio);
-void __f2fs_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
+void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio);
+void f2fs_outplace_write_data(struct dnode_of_data *dn,
+ struct f2fs_io_info *fio);
+int f2fs_inplace_write_data(struct f2fs_io_info *fio);
+void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
block_t old_blkaddr, block_t new_blkaddr,
bool recover_curseg, bool recover_newaddr);
void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn,
block_t old_addr, block_t new_addr,
unsigned char version, bool recover_curseg,
bool recover_newaddr);
-void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
+void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
block_t old_blkaddr, block_t *new_blkaddr,
struct f2fs_summary *sum, int type,
struct f2fs_io_info *fio, bool add_list);
void f2fs_wait_on_page_writeback(struct page *page,
enum page_type type, bool ordered);
void f2fs_wait_on_block_writeback(struct f2fs_sb_info *sbi, block_t blkaddr);
-void write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
-void write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
-int lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
+void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
+void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
+int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
unsigned int val, int alloc);
-void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
-int build_segment_manager(struct f2fs_sb_info *sbi);
-void destroy_segment_manager(struct f2fs_sb_info *sbi);
-int __init create_segment_manager_caches(void);
-void destroy_segment_manager_caches(void);
-int rw_hint_to_seg_type(enum rw_hint hint);
-enum rw_hint io_type_to_rw_hint(struct f2fs_sb_info *sbi, enum page_type type,
- enum temp_type temp);
+void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
+int f2fs_build_segment_manager(struct f2fs_sb_info *sbi);
+void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
+int __init f2fs_create_segment_manager_caches(void);
+void f2fs_destroy_segment_manager_caches(void);
+int f2fs_rw_hint_to_seg_type(enum rw_hint hint);
+enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi,
+ enum page_type type, enum temp_type temp);
/*
* checkpoint.c
*/
void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io);
-struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
-struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
-struct page *get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index);
-bool is_valid_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr, int type);
-int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
+struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
+struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
+struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index);
+bool f2fs_is_valid_meta_blkaddr(struct f2fs_sb_info *sbi,
+ block_t blkaddr, int type);
+int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
int type, bool sync);
-void ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index);
-long sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
+void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index);
+long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
long nr_to_write, enum iostat_type io_type);
-void add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
-void remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
-void release_ino_entry(struct f2fs_sb_info *sbi, bool all);
-bool exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode);
-void set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
+void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
+void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
+void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all);
+bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode);
+void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
unsigned int devidx, int type);
-bool is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
+bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
unsigned int devidx, int type);
int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi);
-int acquire_orphan_inode(struct f2fs_sb_info *sbi);
-void release_orphan_inode(struct f2fs_sb_info *sbi);
-void add_orphan_inode(struct inode *inode);
-void remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino);
-int recover_orphan_inodes(struct f2fs_sb_info *sbi);
-int get_valid_checkpoint(struct f2fs_sb_info *sbi);
-void update_dirty_page(struct inode *inode, struct page *page);
-void remove_dirty_inode(struct inode *inode);
-int sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type);
-int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc);
-void init_ino_entry_info(struct f2fs_sb_info *sbi);
-int __init create_checkpoint_caches(void);
-void destroy_checkpoint_caches(void);
+int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi);
+void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi);
+void f2fs_add_orphan_inode(struct inode *inode);
+void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino);
+int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi);
+int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi);
+void f2fs_update_dirty_page(struct inode *inode, struct page *page);
+void f2fs_remove_dirty_inode(struct inode *inode);
+int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type);
+int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc);
+void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi);
+int __init f2fs_create_checkpoint_caches(void);
+void f2fs_destroy_checkpoint_caches(void);
/*
* data.c
*/
+int f2fs_init_post_read_processing(void);
+void f2fs_destroy_post_read_processing(void);
void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type);
void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi,
struct inode *inode, nid_t ino, pgoff_t idx,
enum page_type type);
void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi);
int f2fs_submit_page_bio(struct f2fs_io_info *fio);
-int f2fs_submit_page_write(struct f2fs_io_info *fio);
+void f2fs_submit_page_write(struct f2fs_io_info *fio);
struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi,
block_t blk_addr, struct bio *bio);
int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr);
-void set_data_blkaddr(struct dnode_of_data *dn);
+void f2fs_set_data_blkaddr(struct dnode_of_data *dn);
void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr);
-int reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count);
-int reserve_new_block(struct dnode_of_data *dn);
+int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count);
+int f2fs_reserve_new_block(struct dnode_of_data *dn);
int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index);
int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from);
int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index);
-struct page *get_read_data_page(struct inode *inode, pgoff_t index,
+struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
int op_flags, bool for_write);
-struct page *find_data_page(struct inode *inode, pgoff_t index);
-struct page *get_lock_data_page(struct inode *inode, pgoff_t index,
+struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index);
+struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index,
bool for_write);
-struct page *get_new_data_page(struct inode *inode,
+struct page *f2fs_get_new_data_page(struct inode *inode,
struct page *ipage, pgoff_t index, bool new_i_size);
-int do_write_data_page(struct f2fs_io_info *fio);
+int f2fs_do_write_data_page(struct f2fs_io_info *fio);
int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
int create, int flag);
int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
u64 start, u64 len);
-bool should_update_inplace(struct inode *inode, struct f2fs_io_info *fio);
-bool should_update_outplace(struct inode *inode, struct f2fs_io_info *fio);
-void f2fs_set_page_dirty_nobuffers(struct page *page);
-int __f2fs_write_data_pages(struct address_space *mapping,
- struct writeback_control *wbc,
- enum iostat_type io_type);
+bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio);
+bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio);
void f2fs_invalidate_page(struct page *page, unsigned int offset,
unsigned int length);
int f2fs_release_page(struct page *page, gfp_t wait);
@@ -2901,22 +2969,23 @@ int f2fs_migrate_page(struct address_space *mapping, struct page *newpage,
struct page *page, enum migrate_mode mode);
#endif
bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len);
+void f2fs_clear_radix_tree_dirty_tag(struct page *page);
/*
* gc.c
*/
-int start_gc_thread(struct f2fs_sb_info *sbi);
-void stop_gc_thread(struct f2fs_sb_info *sbi);
-block_t start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
+int f2fs_start_gc_thread(struct f2fs_sb_info *sbi);
+void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi);
+block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background,
unsigned int segno);
-void build_gc_manager(struct f2fs_sb_info *sbi);
+void f2fs_build_gc_manager(struct f2fs_sb_info *sbi);
/*
* recovery.c
*/
-int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only);
-bool space_for_roll_forward(struct f2fs_sb_info *sbi);
+int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only);
+bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi);
/*
* debug.c
@@ -2954,6 +3023,7 @@ struct f2fs_stat_info {
int bg_node_segs, bg_data_segs;
int tot_blks, data_blks, node_blks;
int bg_data_blks, bg_node_blks;
+ unsigned long long skipped_atomic_files[2];
int curseg[NR_CURSEG_TYPE];
int cursec[NR_CURSEG_TYPE];
int curzone[NR_CURSEG_TYPE];
@@ -3120,29 +3190,31 @@ extern const struct inode_operations f2fs_dir_inode_operations;
extern const struct inode_operations f2fs_symlink_inode_operations;
extern const struct inode_operations f2fs_encrypted_symlink_inode_operations;
extern const struct inode_operations f2fs_special_inode_operations;
-extern struct kmem_cache *inode_entry_slab;
+extern struct kmem_cache *f2fs_inode_entry_slab;
/*
* inline.c
*/
bool f2fs_may_inline_data(struct inode *inode);
bool f2fs_may_inline_dentry(struct inode *inode);
-void read_inline_data(struct page *page, struct page *ipage);
-void truncate_inline_inode(struct inode *inode, struct page *ipage, u64 from);
+void f2fs_do_read_inline_data(struct page *page, struct page *ipage);
+void f2fs_truncate_inline_inode(struct inode *inode,
+ struct page *ipage, u64 from);
int f2fs_read_inline_data(struct inode *inode, struct page *page);
int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page);
int f2fs_convert_inline_inode(struct inode *inode);
int f2fs_write_inline_data(struct inode *inode, struct page *page);
-bool recover_inline_data(struct inode *inode, struct page *npage);
-struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
+bool f2fs_recover_inline_data(struct inode *inode, struct page *npage);
+struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
struct fscrypt_name *fname, struct page **res_page);
-int make_empty_inline_dir(struct inode *inode, struct inode *parent,
+int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent,
struct page *ipage);
int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
const struct qstr *orig_name,
struct inode *inode, nid_t ino, umode_t mode);
-void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page,
- struct inode *dir, struct inode *inode);
+void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry,
+ struct page *page, struct inode *dir,
+ struct inode *inode);
bool f2fs_empty_inline_dir(struct inode *dir);
int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
struct fscrypt_str *fstr);
@@ -3163,17 +3235,17 @@ void f2fs_leave_shrinker(struct f2fs_sb_info *sbi);
/*
* extent_cache.c
*/
-struct rb_entry *__lookup_rb_tree(struct rb_root *root,
+struct rb_entry *f2fs_lookup_rb_tree(struct rb_root *root,
struct rb_entry *cached_re, unsigned int ofs);
-struct rb_node **__lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi,
+struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi,
struct rb_root *root, struct rb_node **parent,
unsigned int ofs);
-struct rb_entry *__lookup_rb_tree_ret(struct rb_root *root,
+struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root *root,
struct rb_entry *cached_re, unsigned int ofs,
struct rb_entry **prev_entry, struct rb_entry **next_entry,
struct rb_node ***insert_p, struct rb_node **insert_parent,
bool force);
-bool __check_rb_tree_consistence(struct f2fs_sb_info *sbi,
+bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi,
struct rb_root *root);
unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink);
bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext);
@@ -3185,9 +3257,9 @@ bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs,
void f2fs_update_extent_cache(struct dnode_of_data *dn);
void f2fs_update_extent_cache_range(struct dnode_of_data *dn,
pgoff_t fofs, block_t blkaddr, unsigned int len);
-void init_extent_cache_info(struct f2fs_sb_info *sbi);
-int __init create_extent_cache(void);
-void destroy_extent_cache(void);
+void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi);
+int __init f2fs_create_extent_cache(void);
+void f2fs_destroy_extent_cache(void);
/*
* sysfs.c
@@ -3218,9 +3290,13 @@ static inline void f2fs_set_encrypted_inode(struct inode *inode)
#endif
}
-static inline bool f2fs_bio_encrypted(struct bio *bio)
+/*
+ * Returns true if the reads of the inode's data need to undergo some
+ * postprocessing step, like decryption or authenticity verification.
+ */
+static inline bool f2fs_post_read_required(struct inode *inode)
{
- return bio->bi_private != NULL;
+ return f2fs_encrypted_file(inode);
}
#define F2FS_FEATURE_FUNCS(name, flagname) \
@@ -3288,7 +3364,7 @@ static inline bool f2fs_may_encrypt(struct inode *inode)
static inline bool f2fs_force_buffered_io(struct inode *inode, int rw)
{
- return (f2fs_encrypted_file(inode) ||
+ return (f2fs_post_read_required(inode) ||
(rw == WRITE && test_opt(F2FS_I_SB(inode), LFS)) ||
F2FS_I_SB(inode)->s_ndevs);
}
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 6b94f19b3fa8..13f2f6845e87 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -33,19 +33,19 @@
#include "trace.h"
#include <trace/events/f2fs.h>
-static int f2fs_filemap_fault(struct vm_fault *vmf)
+static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf)
{
struct inode *inode = file_inode(vmf->vma->vm_file);
- int err;
+ vm_fault_t ret;
down_read(&F2FS_I(inode)->i_mmap_sem);
- err = filemap_fault(vmf);
+ ret = filemap_fault(vmf);
up_read(&F2FS_I(inode)->i_mmap_sem);
- return err;
+ return ret;
}
-static int f2fs_vm_page_mkwrite(struct vm_fault *vmf)
+static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
{
struct page *page = vmf->page;
struct inode *inode = file_inode(vmf->vma->vm_file);
@@ -95,7 +95,8 @@ static int f2fs_vm_page_mkwrite(struct vm_fault *vmf)
/* page is wholly or partially inside EOF */
if (((loff_t)(page->index + 1) << PAGE_SHIFT) >
i_size_read(inode)) {
- unsigned offset;
+ loff_t offset;
+
offset = i_size_read(inode) & ~PAGE_MASK;
zero_user_segment(page, offset, PAGE_SIZE);
}
@@ -110,8 +111,8 @@ mapped:
/* fill the page */
f2fs_wait_on_page_writeback(page, DATA, false);
- /* wait for GCed encrypted page writeback */
- if (f2fs_encrypted_file(inode))
+ /* wait for GCed page writeback via META_MAPPING */
+ if (f2fs_post_read_required(inode))
f2fs_wait_on_block_writeback(sbi, dn.data_blkaddr);
out_sem:
@@ -157,17 +158,18 @@ static inline enum cp_reason_type need_do_checkpoint(struct inode *inode)
cp_reason = CP_SB_NEED_CP;
else if (file_wrong_pino(inode))
cp_reason = CP_WRONG_PINO;
- else if (!space_for_roll_forward(sbi))
+ else if (!f2fs_space_for_roll_forward(sbi))
cp_reason = CP_NO_SPC_ROLL;
- else if (!is_checkpointed_node(sbi, F2FS_I(inode)->i_pino))
+ else if (!f2fs_is_checkpointed_node(sbi, F2FS_I(inode)->i_pino))
cp_reason = CP_NODE_NEED_CP;
else if (test_opt(sbi, FASTBOOT))
cp_reason = CP_FASTBOOT_MODE;
else if (F2FS_OPTION(sbi).active_logs == 2)
cp_reason = CP_SPEC_LOG_NUM;
else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT &&
- need_dentry_mark(sbi, inode->i_ino) &&
- exist_written_data(sbi, F2FS_I(inode)->i_pino, TRANS_DIR_INO))
+ f2fs_need_dentry_mark(sbi, inode->i_ino) &&
+ f2fs_exist_written_data(sbi, F2FS_I(inode)->i_pino,
+ TRANS_DIR_INO))
cp_reason = CP_RECOVER_DIR;
return cp_reason;
@@ -178,7 +180,7 @@ static bool need_inode_page_update(struct f2fs_sb_info *sbi, nid_t ino)
struct page *i = find_get_page(NODE_MAPPING(sbi), ino);
bool ret = false;
/* But we need to avoid that there are some inode updates */
- if ((i && PageDirty(i)) || need_inode_block_update(sbi, ino))
+ if ((i && PageDirty(i)) || f2fs_need_inode_block_update(sbi, ino))
ret = true;
f2fs_put_page(i, 0);
return ret;
@@ -238,14 +240,14 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
* if there is no written data, don't waste time to write recovery info.
*/
if (!is_inode_flag_set(inode, FI_APPEND_WRITE) &&
- !exist_written_data(sbi, ino, APPEND_INO)) {
+ !f2fs_exist_written_data(sbi, ino, APPEND_INO)) {
/* it may call write_inode just prior to fsync */
if (need_inode_page_update(sbi, ino))
goto go_write;
if (is_inode_flag_set(inode, FI_UPDATE_WRITE) ||
- exist_written_data(sbi, ino, UPDATE_INO))
+ f2fs_exist_written_data(sbi, ino, UPDATE_INO))
goto flush_out;
goto out;
}
@@ -272,7 +274,9 @@ go_write:
goto out;
}
sync_nodes:
- ret = fsync_node_pages(sbi, inode, &wbc, atomic);
+ atomic_inc(&sbi->wb_sync_req[NODE]);
+ ret = f2fs_fsync_node_pages(sbi, inode, &wbc, atomic);
+ atomic_dec(&sbi->wb_sync_req[NODE]);
if (ret)
goto out;
@@ -282,7 +286,7 @@ sync_nodes:
goto out;
}
- if (need_inode_block_update(sbi, ino)) {
+ if (f2fs_need_inode_block_update(sbi, ino)) {
f2fs_mark_inode_dirty_sync(inode, true);
f2fs_write_inode(inode, NULL);
goto sync_nodes;
@@ -297,21 +301,21 @@ sync_nodes:
* given fsync mark.
*/
if (!atomic) {
- ret = wait_on_node_pages_writeback(sbi, ino);
+ ret = f2fs_wait_on_node_pages_writeback(sbi, ino);
if (ret)
goto out;
}
/* once recovery info is written, don't need to tack this */
- remove_ino_entry(sbi, ino, APPEND_INO);
+ f2fs_remove_ino_entry(sbi, ino, APPEND_INO);
clear_inode_flag(inode, FI_APPEND_WRITE);
flush_out:
- if (!atomic)
+ if (!atomic && F2FS_OPTION(sbi).fsync_mode != FSYNC_MODE_NOBARRIER)
ret = f2fs_issue_flush(sbi, inode->i_ino);
if (!ret) {
- remove_ino_entry(sbi, ino, UPDATE_INO);
+ f2fs_remove_ino_entry(sbi, ino, UPDATE_INO);
clear_inode_flag(inode, FI_UPDATE_WRITE);
- remove_ino_entry(sbi, ino, FLUSH_INO);
+ f2fs_remove_ino_entry(sbi, ino, FLUSH_INO);
}
f2fs_update_time(sbi, REQ_TIME);
out:
@@ -352,7 +356,7 @@ static bool __found_offset(block_t blkaddr, pgoff_t dirty, pgoff_t pgofs,
switch (whence) {
case SEEK_DATA:
if ((blkaddr == NEW_ADDR && dirty == pgofs) ||
- (blkaddr != NEW_ADDR && blkaddr != NULL_ADDR))
+ is_valid_blkaddr(blkaddr))
return true;
break;
case SEEK_HOLE:
@@ -392,13 +396,13 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
for (; data_ofs < isize; data_ofs = (loff_t)pgofs << PAGE_SHIFT) {
set_new_dnode(&dn, inode, NULL, NULL, 0);
- err = get_dnode_of_data(&dn, pgofs, LOOKUP_NODE);
+ err = f2fs_get_dnode_of_data(&dn, pgofs, LOOKUP_NODE);
if (err && err != -ENOENT) {
goto fail;
} else if (err == -ENOENT) {
/* direct node does not exists */
if (whence == SEEK_DATA) {
- pgofs = get_next_page_offset(&dn, pgofs);
+ pgofs = f2fs_get_next_page_offset(&dn, pgofs);
continue;
} else {
goto found;
@@ -412,6 +416,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
dn.ofs_in_node++, pgofs++,
data_ofs = (loff_t)pgofs << PAGE_SHIFT) {
block_t blkaddr;
+
blkaddr = datablock_addr(dn.inode,
dn.node_page, dn.ofs_in_node);
@@ -486,7 +491,7 @@ static int f2fs_file_open(struct inode *inode, struct file *filp)
return dquot_file_open(inode, filp);
}
-void truncate_data_blocks_range(struct dnode_of_data *dn, int count)
+void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
struct f2fs_node *raw_node;
@@ -502,12 +507,13 @@ void truncate_data_blocks_range(struct dnode_of_data *dn, int count)
for (; count > 0; count--, addr++, dn->ofs_in_node++) {
block_t blkaddr = le32_to_cpu(*addr);
+
if (blkaddr == NULL_ADDR)
continue;
dn->data_blkaddr = NULL_ADDR;
- set_data_blkaddr(dn);
- invalidate_blocks(sbi, blkaddr);
+ f2fs_set_data_blkaddr(dn);
+ f2fs_invalidate_blocks(sbi, blkaddr);
if (dn->ofs_in_node == 0 && IS_INODE(dn->node_page))
clear_inode_flag(dn->inode, FI_FIRST_BLOCK_WRITTEN);
nr_free++;
@@ -519,7 +525,7 @@ void truncate_data_blocks_range(struct dnode_of_data *dn, int count)
* once we invalidate valid blkaddr in range [ofs, ofs + count],
* we will invalidate all blkaddr in the whole range.
*/
- fofs = start_bidx_of_node(ofs_of_node(dn->node_page),
+ fofs = f2fs_start_bidx_of_node(ofs_of_node(dn->node_page),
dn->inode) + ofs;
f2fs_update_extent_cache_range(dn, fofs, 0, len);
dec_valid_block_count(sbi, dn->inode, nr_free);
@@ -531,15 +537,15 @@ void truncate_data_blocks_range(struct dnode_of_data *dn, int count)
dn->ofs_in_node, nr_free);
}
-void truncate_data_blocks(struct dnode_of_data *dn)
+void f2fs_truncate_data_blocks(struct dnode_of_data *dn)
{
- truncate_data_blocks_range(dn, ADDRS_PER_BLOCK);
+ f2fs_truncate_data_blocks_range(dn, ADDRS_PER_BLOCK);
}
static int truncate_partial_data_page(struct inode *inode, u64 from,
bool cache_only)
{
- unsigned offset = from & (PAGE_SIZE - 1);
+ loff_t offset = from & (PAGE_SIZE - 1);
pgoff_t index = from >> PAGE_SHIFT;
struct address_space *mapping = inode->i_mapping;
struct page *page;
@@ -555,7 +561,7 @@ static int truncate_partial_data_page(struct inode *inode, u64 from,
return 0;
}
- page = get_lock_data_page(inode, index, true);
+ page = f2fs_get_lock_data_page(inode, index, true);
if (IS_ERR(page))
return PTR_ERR(page) == -ENOENT ? 0 : PTR_ERR(page);
truncate_out:
@@ -570,7 +576,7 @@ truncate_out:
return 0;
}
-int truncate_blocks(struct inode *inode, u64 from, bool lock)
+int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct dnode_of_data dn;
@@ -589,21 +595,21 @@ int truncate_blocks(struct inode *inode, u64 from, bool lock)
if (lock)
f2fs_lock_op(sbi);
- ipage = get_node_page(sbi, inode->i_ino);
+ ipage = f2fs_get_node_page(sbi, inode->i_ino);
if (IS_ERR(ipage)) {
err = PTR_ERR(ipage);
goto out;
}
if (f2fs_has_inline_data(inode)) {
- truncate_inline_inode(inode, ipage, from);
+ f2fs_truncate_inline_inode(inode, ipage, from);
f2fs_put_page(ipage, 1);
truncate_page = true;
goto out;
}
set_new_dnode(&dn, inode, ipage, NULL, 0);
- err = get_dnode_of_data(&dn, free_from, LOOKUP_NODE_RA);
+ err = f2fs_get_dnode_of_data(&dn, free_from, LOOKUP_NODE_RA);
if (err) {
if (err == -ENOENT)
goto free_next;
@@ -616,13 +622,13 @@ int truncate_blocks(struct inode *inode, u64 from, bool lock)
f2fs_bug_on(sbi, count < 0);
if (dn.ofs_in_node || IS_INODE(dn.node_page)) {
- truncate_data_blocks_range(&dn, count);
+ f2fs_truncate_data_blocks_range(&dn, count);
free_from += count;
}
f2fs_put_dnode(&dn);
free_next:
- err = truncate_inode_blocks(inode, free_from);
+ err = f2fs_truncate_inode_blocks(inode, free_from);
out:
if (lock)
f2fs_unlock_op(sbi);
@@ -661,7 +667,7 @@ int f2fs_truncate(struct inode *inode)
return err;
}
- err = truncate_blocks(inode, i_size_read(inode), true);
+ err = f2fs_truncate_blocks(inode, i_size_read(inode), true);
if (err)
return err;
@@ -686,16 +692,16 @@ int f2fs_getattr(const struct path *path, struct kstat *stat,
stat->btime.tv_nsec = fi->i_crtime.tv_nsec;
}
- flags = fi->i_flags & (FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL);
- if (flags & FS_APPEND_FL)
+ flags = fi->i_flags & F2FS_FL_USER_VISIBLE;
+ if (flags & F2FS_APPEND_FL)
stat->attributes |= STATX_ATTR_APPEND;
- if (flags & FS_COMPR_FL)
+ if (flags & F2FS_COMPR_FL)
stat->attributes |= STATX_ATTR_COMPRESSED;
if (f2fs_encrypted_inode(inode))
stat->attributes |= STATX_ATTR_ENCRYPTED;
- if (flags & FS_IMMUTABLE_FL)
+ if (flags & F2FS_IMMUTABLE_FL)
stat->attributes |= STATX_ATTR_IMMUTABLE;
- if (flags & FS_NODUMP_FL)
+ if (flags & F2FS_NODUMP_FL)
stat->attributes |= STATX_ATTR_NODUMP;
stat->attributes_mask |= (STATX_ATTR_APPEND |
@@ -811,7 +817,7 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
__setattr_copy(inode, attr);
if (attr->ia_valid & ATTR_MODE) {
- err = posix_acl_chmod(inode, get_inode_mode(inode));
+ err = posix_acl_chmod(inode, f2fs_get_inode_mode(inode));
if (err || is_inode_flag_set(inode, FI_ACL_MODE)) {
inode->i_mode = F2FS_I(inode)->i_acl_mode;
clear_inode_flag(inode, FI_ACL_MODE);
@@ -850,7 +856,7 @@ static int fill_zero(struct inode *inode, pgoff_t index,
f2fs_balance_fs(sbi, true);
f2fs_lock_op(sbi);
- page = get_new_data_page(inode, NULL, index, false);
+ page = f2fs_get_new_data_page(inode, NULL, index, false);
f2fs_unlock_op(sbi);
if (IS_ERR(page))
@@ -863,7 +869,7 @@ static int fill_zero(struct inode *inode, pgoff_t index,
return 0;
}
-int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
+int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
{
int err;
@@ -872,10 +878,11 @@ int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
pgoff_t end_offset, count;
set_new_dnode(&dn, inode, NULL, NULL, 0);
- err = get_dnode_of_data(&dn, pg_start, LOOKUP_NODE);
+ err = f2fs_get_dnode_of_data(&dn, pg_start, LOOKUP_NODE);
if (err) {
if (err == -ENOENT) {
- pg_start = get_next_page_offset(&dn, pg_start);
+ pg_start = f2fs_get_next_page_offset(&dn,
+ pg_start);
continue;
}
return err;
@@ -886,7 +893,7 @@ int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
f2fs_bug_on(F2FS_I_SB(inode), count == 0 || count > end_offset);
- truncate_data_blocks_range(&dn, count);
+ f2fs_truncate_data_blocks_range(&dn, count);
f2fs_put_dnode(&dn);
pg_start += count;
@@ -942,7 +949,7 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
blk_end - 1);
f2fs_lock_op(sbi);
- ret = truncate_hole(inode, pg_start, pg_end);
+ ret = f2fs_truncate_hole(inode, pg_start, pg_end);
f2fs_unlock_op(sbi);
up_write(&F2FS_I(inode)->i_mmap_sem);
}
@@ -960,7 +967,7 @@ static int __read_out_blkaddrs(struct inode *inode, block_t *blkaddr,
next_dnode:
set_new_dnode(&dn, inode, NULL, NULL, 0);
- ret = get_dnode_of_data(&dn, off, LOOKUP_NODE_RA);
+ ret = f2fs_get_dnode_of_data(&dn, off, LOOKUP_NODE_RA);
if (ret && ret != -ENOENT) {
return ret;
} else if (ret == -ENOENT) {
@@ -977,7 +984,7 @@ next_dnode:
for (i = 0; i < done; i++, blkaddr++, do_replace++, dn.ofs_in_node++) {
*blkaddr = datablock_addr(dn.inode,
dn.node_page, dn.ofs_in_node);
- if (!is_checkpointed_data(sbi, *blkaddr)) {
+ if (!f2fs_is_checkpointed_data(sbi, *blkaddr)) {
if (test_opt(sbi, LFS)) {
f2fs_put_dnode(&dn);
@@ -1010,10 +1017,10 @@ static int __roll_back_blkaddrs(struct inode *inode, block_t *blkaddr,
continue;
set_new_dnode(&dn, inode, NULL, NULL, 0);
- ret = get_dnode_of_data(&dn, off + i, LOOKUP_NODE_RA);
+ ret = f2fs_get_dnode_of_data(&dn, off + i, LOOKUP_NODE_RA);
if (ret) {
dec_valid_block_count(sbi, inode, 1);
- invalidate_blocks(sbi, *blkaddr);
+ f2fs_invalidate_blocks(sbi, *blkaddr);
} else {
f2fs_update_data_blkaddr(&dn, *blkaddr);
}
@@ -1043,18 +1050,18 @@ static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
pgoff_t ilen;
set_new_dnode(&dn, dst_inode, NULL, NULL, 0);
- ret = get_dnode_of_data(&dn, dst + i, ALLOC_NODE);
+ ret = f2fs_get_dnode_of_data(&dn, dst + i, ALLOC_NODE);
if (ret)
return ret;
- get_node_info(sbi, dn.nid, &ni);
+ f2fs_get_node_info(sbi, dn.nid, &ni);
ilen = min((pgoff_t)
ADDRS_PER_PAGE(dn.node_page, dst_inode) -
dn.ofs_in_node, len - i);
do {
dn.data_blkaddr = datablock_addr(dn.inode,
dn.node_page, dn.ofs_in_node);
- truncate_data_blocks_range(&dn, 1);
+ f2fs_truncate_data_blocks_range(&dn, 1);
if (do_replace[i]) {
f2fs_i_blocks_write(src_inode,
@@ -1077,10 +1084,11 @@ static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
} else {
struct page *psrc, *pdst;
- psrc = get_lock_data_page(src_inode, src + i, true);
+ psrc = f2fs_get_lock_data_page(src_inode,
+ src + i, true);
if (IS_ERR(psrc))
return PTR_ERR(psrc);
- pdst = get_new_data_page(dst_inode, NULL, dst + i,
+ pdst = f2fs_get_new_data_page(dst_inode, NULL, dst + i,
true);
if (IS_ERR(pdst)) {
f2fs_put_page(psrc, 1);
@@ -1091,7 +1099,8 @@ static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
f2fs_put_page(pdst, 1);
f2fs_put_page(psrc, 1);
- ret = truncate_hole(src_inode, src + i, src + i + 1);
+ ret = f2fs_truncate_hole(src_inode,
+ src + i, src + i + 1);
if (ret)
return ret;
i++;
@@ -1144,7 +1153,7 @@ static int __exchange_data_block(struct inode *src_inode,
return 0;
roll_back:
- __roll_back_blkaddrs(src_inode, src_blkaddr, do_replace, src, len);
+ __roll_back_blkaddrs(src_inode, src_blkaddr, do_replace, src, olen);
kvfree(src_blkaddr);
kvfree(do_replace);
return ret;
@@ -1187,7 +1196,7 @@ static int f2fs_collapse_range(struct inode *inode, loff_t offset, loff_t len)
pg_end = (offset + len) >> PAGE_SHIFT;
/* avoid gc operation during block exchange */
- down_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
down_write(&F2FS_I(inode)->i_mmap_sem);
/* write out all dirty pages from offset */
@@ -1208,12 +1217,12 @@ static int f2fs_collapse_range(struct inode *inode, loff_t offset, loff_t len)
new_size = i_size_read(inode) - len;
truncate_pagecache(inode, new_size);
- ret = truncate_blocks(inode, new_size, true);
+ ret = f2fs_truncate_blocks(inode, new_size, true);
if (!ret)
f2fs_i_size_write(inode, new_size);
out_unlock:
up_write(&F2FS_I(inode)->i_mmap_sem);
- up_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
return ret;
}
@@ -1233,7 +1242,7 @@ static int f2fs_do_zero_range(struct dnode_of_data *dn, pgoff_t start,
}
dn->ofs_in_node = ofs_in_node;
- ret = reserve_new_blocks(dn, count);
+ ret = f2fs_reserve_new_blocks(dn, count);
if (ret)
return ret;
@@ -1242,7 +1251,7 @@ static int f2fs_do_zero_range(struct dnode_of_data *dn, pgoff_t start,
dn->data_blkaddr = datablock_addr(dn->inode,
dn->node_page, dn->ofs_in_node);
/*
- * reserve_new_blocks will not guarantee entire block
+ * f2fs_reserve_new_blocks will not guarantee entire block
* allocation.
*/
if (dn->data_blkaddr == NULL_ADDR) {
@@ -1250,9 +1259,9 @@ static int f2fs_do_zero_range(struct dnode_of_data *dn, pgoff_t start,
break;
}
if (dn->data_blkaddr != NEW_ADDR) {
- invalidate_blocks(sbi, dn->data_blkaddr);
+ f2fs_invalidate_blocks(sbi, dn->data_blkaddr);
dn->data_blkaddr = NEW_ADDR;
- set_data_blkaddr(dn);
+ f2fs_set_data_blkaddr(dn);
}
}
@@ -1318,7 +1327,7 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
f2fs_lock_op(sbi);
set_new_dnode(&dn, inode, NULL, NULL, 0);
- ret = get_dnode_of_data(&dn, index, ALLOC_NODE);
+ ret = f2fs_get_dnode_of_data(&dn, index, ALLOC_NODE);
if (ret) {
f2fs_unlock_op(sbi);
goto out;
@@ -1389,10 +1398,10 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
f2fs_balance_fs(sbi, true);
/* avoid gc operation during block exchange */
- down_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
down_write(&F2FS_I(inode)->i_mmap_sem);
- ret = truncate_blocks(inode, i_size_read(inode), true);
+ ret = f2fs_truncate_blocks(inode, i_size_read(inode), true);
if (ret)
goto out;
@@ -1430,7 +1439,7 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
f2fs_i_size_write(inode, new_size);
out:
up_write(&F2FS_I(inode)->i_mmap_sem);
- up_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
return ret;
}
@@ -1473,7 +1482,7 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
last_off = map.m_lblk + map.m_len - 1;
/* update new size to the failed position */
- new_size = (last_off == pg_end) ? offset + len:
+ new_size = (last_off == pg_end) ? offset + len :
(loff_t)(last_off + 1) << PAGE_SHIFT;
} else {
new_size = ((loff_t)pg_end << PAGE_SHIFT) + off_end;
@@ -1553,13 +1562,13 @@ static int f2fs_release_file(struct inode *inode, struct file *filp)
/* some remained atomic pages should discarded */
if (f2fs_is_atomic_file(inode))
- drop_inmem_pages(inode);
+ f2fs_drop_inmem_pages(inode);
if (f2fs_is_volatile_file(inode)) {
- clear_inode_flag(inode, FI_VOLATILE_FILE);
- stat_dec_volatile_write(inode);
set_inode_flag(inode, FI_DROP_CACHE);
filemap_fdatawrite(inode->i_mapping);
clear_inode_flag(inode, FI_DROP_CACHE);
+ clear_inode_flag(inode, FI_VOLATILE_FILE);
+ stat_dec_volatile_write(inode);
}
return 0;
}
@@ -1576,7 +1585,7 @@ static int f2fs_file_flush(struct file *file, fl_owner_t id)
*/
if (f2fs_is_atomic_file(inode) &&
F2FS_I(inode)->inmem_task == current)
- drop_inmem_pages(inode);
+ f2fs_drop_inmem_pages(inode);
return 0;
}
@@ -1584,8 +1593,15 @@ static int f2fs_ioc_getflags(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
struct f2fs_inode_info *fi = F2FS_I(inode);
- unsigned int flags = fi->i_flags &
- (FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL);
+ unsigned int flags = fi->i_flags;
+
+ if (file_is_encrypt(inode))
+ flags |= F2FS_ENCRYPT_FL;
+ if (f2fs_has_inline_data(inode) || f2fs_has_inline_dentry(inode))
+ flags |= F2FS_INLINE_DATA_FL;
+
+ flags &= F2FS_FL_USER_VISIBLE;
+
return put_user(flags, (int __user *)arg);
}
@@ -1602,15 +1618,15 @@ static int __f2fs_ioc_setflags(struct inode *inode, unsigned int flags)
oldflags = fi->i_flags;
- if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL))
+ if ((flags ^ oldflags) & (F2FS_APPEND_FL | F2FS_IMMUTABLE_FL))
if (!capable(CAP_LINUX_IMMUTABLE))
return -EPERM;
- flags = flags & (FS_FL_USER_MODIFIABLE | FS_PROJINHERIT_FL);
- flags |= oldflags & ~(FS_FL_USER_MODIFIABLE | FS_PROJINHERIT_FL);
+ flags = flags & F2FS_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~F2FS_FL_USER_MODIFIABLE;
fi->i_flags = flags;
- if (fi->i_flags & FS_PROJINHERIT_FL)
+ if (fi->i_flags & F2FS_PROJINHERIT_FL)
set_inode_flag(inode, FI_PROJ_INHERIT);
else
clear_inode_flag(inode, FI_PROJ_INHERIT);
@@ -1670,6 +1686,8 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
inode_lock(inode);
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+
if (f2fs_is_atomic_file(inode))
goto out;
@@ -1677,28 +1695,25 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
if (ret)
goto out;
- set_inode_flag(inode, FI_ATOMIC_FILE);
- set_inode_flag(inode, FI_HOT_DATA);
- f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
-
if (!get_dirty_pages(inode))
- goto inc_stat;
+ goto skip_flush;
f2fs_msg(F2FS_I_SB(inode)->sb, KERN_WARNING,
"Unexpected flush for atomic writes: ino=%lu, npages=%u",
inode->i_ino, get_dirty_pages(inode));
ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX);
- if (ret) {
- clear_inode_flag(inode, FI_ATOMIC_FILE);
- clear_inode_flag(inode, FI_HOT_DATA);
+ if (ret)
goto out;
- }
+skip_flush:
+ set_inode_flag(inode, FI_ATOMIC_FILE);
+ clear_inode_flag(inode, FI_ATOMIC_REVOKE_REQUEST);
+ f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
-inc_stat:
F2FS_I(inode)->inmem_task = current;
stat_inc_atomic_write(inode);
stat_update_max_atomic_write(inode);
out:
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
inode_unlock(inode);
mnt_drop_write_file(filp);
return ret;
@@ -1718,27 +1733,33 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp)
inode_lock(inode);
- down_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
- if (f2fs_is_volatile_file(inode))
+ if (f2fs_is_volatile_file(inode)) {
+ ret = -EINVAL;
goto err_out;
+ }
if (f2fs_is_atomic_file(inode)) {
- ret = commit_inmem_pages(inode);
+ ret = f2fs_commit_inmem_pages(inode);
if (ret)
goto err_out;
ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true);
if (!ret) {
clear_inode_flag(inode, FI_ATOMIC_FILE);
- clear_inode_flag(inode, FI_HOT_DATA);
+ F2FS_I(inode)->i_gc_failures[GC_FAILURE_ATOMIC] = 0;
stat_dec_atomic_write(inode);
}
} else {
ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 1, false);
}
err_out:
- up_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+ if (is_inode_flag_set(inode, FI_ATOMIC_REVOKE_REQUEST)) {
+ clear_inode_flag(inode, FI_ATOMIC_REVOKE_REQUEST);
+ ret = -EINVAL;
+ }
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
inode_unlock(inode);
mnt_drop_write_file(filp);
return ret;
@@ -1823,7 +1844,7 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp)
inode_lock(inode);
if (f2fs_is_atomic_file(inode))
- drop_inmem_pages(inode);
+ f2fs_drop_inmem_pages(inode);
if (f2fs_is_volatile_file(inode)) {
clear_inode_flag(inode, FI_VOLATILE_FILE);
stat_dec_volatile_write(inode);
@@ -1851,9 +1872,11 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
if (get_user(in, (__u32 __user *)arg))
return -EFAULT;
- ret = mnt_want_write_file(filp);
- if (ret)
- return ret;
+ if (in != F2FS_GOING_DOWN_FULLSYNC) {
+ ret = mnt_want_write_file(filp);
+ if (ret)
+ return ret;
+ }
switch (in) {
case F2FS_GOING_DOWN_FULLSYNC:
@@ -1878,7 +1901,7 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
f2fs_stop_checkpoint(sbi, false);
break;
case F2FS_GOING_DOWN_METAFLUSH:
- sync_meta_pages(sbi, META, LONG_MAX, FS_META_IO);
+ f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_META_IO);
f2fs_stop_checkpoint(sbi, false);
break;
default:
@@ -1886,15 +1909,16 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
goto out;
}
- stop_gc_thread(sbi);
- stop_discard_thread(sbi);
+ f2fs_stop_gc_thread(sbi);
+ f2fs_stop_discard_thread(sbi);
- drop_discard_cmd(sbi);
+ f2fs_drop_discard_cmd(sbi);
clear_opt(sbi, DISCARD);
f2fs_update_time(sbi, REQ_TIME);
out:
- mnt_drop_write_file(filp);
+ if (in != F2FS_GOING_DOWN_FULLSYNC)
+ mnt_drop_write_file(filp);
return ret;
}
@@ -2053,15 +2077,15 @@ static int f2fs_ioc_gc_range(struct file *filp, unsigned long arg)
if (f2fs_readonly(sbi->sb))
return -EROFS;
+ end = range.start + range.len;
+ if (range.start < MAIN_BLKADDR(sbi) || end >= MAX_BLKADDR(sbi)) {
+ return -EINVAL;
+ }
+
ret = mnt_want_write_file(filp);
if (ret)
return ret;
- end = range.start + range.len;
- if (range.start < MAIN_BLKADDR(sbi) || end >= MAX_BLKADDR(sbi)) {
- ret = -EINVAL;
- goto out;
- }
do_more:
if (!range.sync) {
if (!mutex_trylock(&sbi->gc_mutex)) {
@@ -2081,7 +2105,7 @@ out:
return ret;
}
-static int f2fs_ioc_write_checkpoint(struct file *filp, unsigned long arg)
+static int f2fs_ioc_f2fs_write_checkpoint(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
@@ -2110,7 +2134,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
struct inode *inode = file_inode(filp);
struct f2fs_map_blocks map = { .m_next_extent = NULL,
.m_seg_type = NO_CHECK_TYPE };
- struct extent_info ei = {0,0,0};
+ struct extent_info ei = {0, 0, 0};
pgoff_t pg_start, pg_end, next_pgofs;
unsigned int blk_per_seg = sbi->blocks_per_seg;
unsigned int total = 0, sec_num;
@@ -2119,7 +2143,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
int err;
/* if in-place-update policy is enabled, don't waste time here */
- if (should_update_inplace(inode, NULL))
+ if (f2fs_should_update_inplace(inode, NULL))
return -EINVAL;
pg_start = range->start >> PAGE_SHIFT;
@@ -2214,7 +2238,7 @@ do_map:
while (idx < map.m_lblk + map.m_len && cnt < blk_per_seg) {
struct page *page;
- page = get_lock_data_page(inode, idx, true);
+ page = f2fs_get_lock_data_page(inode, idx, true);
if (IS_ERR(page)) {
err = PTR_ERR(page);
goto clear_out;
@@ -2325,12 +2349,12 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
}
inode_lock(src);
- down_write(&F2FS_I(src)->dio_rwsem[WRITE]);
+ down_write(&F2FS_I(src)->i_gc_rwsem[WRITE]);
if (src != dst) {
ret = -EBUSY;
if (!inode_trylock(dst))
goto out;
- if (!down_write_trylock(&F2FS_I(dst)->dio_rwsem[WRITE])) {
+ if (!down_write_trylock(&F2FS_I(dst)->i_gc_rwsem[WRITE])) {
inode_unlock(dst);
goto out;
}
@@ -2392,11 +2416,11 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
f2fs_unlock_op(sbi);
out_unlock:
if (src != dst) {
- up_write(&F2FS_I(dst)->dio_rwsem[WRITE]);
+ up_write(&F2FS_I(dst)->i_gc_rwsem[WRITE]);
inode_unlock(dst);
}
out:
- up_write(&F2FS_I(src)->dio_rwsem[WRITE]);
+ up_write(&F2FS_I(src)->i_gc_rwsem[WRITE]);
inode_unlock(src);
return ret;
}
@@ -2554,7 +2578,7 @@ static int f2fs_ioc_setproject(struct file *filp, __u32 projid)
if (IS_NOQUOTA(inode))
goto out_unlock;
- ipage = get_node_page(sbi, inode->i_ino);
+ ipage = f2fs_get_node_page(sbi, inode->i_ino);
if (IS_ERR(ipage)) {
err = PTR_ERR(ipage);
goto out_unlock;
@@ -2568,7 +2592,9 @@ static int f2fs_ioc_setproject(struct file *filp, __u32 projid)
}
f2fs_put_page(ipage, 1);
- dquot_initialize(inode);
+ err = dquot_initialize(inode);
+ if (err)
+ goto out_unlock;
transfer_to[PRJQUOTA] = dqget(sb, make_kqid_projid(kprojid));
if (!IS_ERR(transfer_to[PRJQUOTA])) {
@@ -2601,17 +2627,17 @@ static inline __u32 f2fs_iflags_to_xflags(unsigned long iflags)
{
__u32 xflags = 0;
- if (iflags & FS_SYNC_FL)
+ if (iflags & F2FS_SYNC_FL)
xflags |= FS_XFLAG_SYNC;
- if (iflags & FS_IMMUTABLE_FL)
+ if (iflags & F2FS_IMMUTABLE_FL)
xflags |= FS_XFLAG_IMMUTABLE;
- if (iflags & FS_APPEND_FL)
+ if (iflags & F2FS_APPEND_FL)
xflags |= FS_XFLAG_APPEND;
- if (iflags & FS_NODUMP_FL)
+ if (iflags & F2FS_NODUMP_FL)
xflags |= FS_XFLAG_NODUMP;
- if (iflags & FS_NOATIME_FL)
+ if (iflags & F2FS_NOATIME_FL)
xflags |= FS_XFLAG_NOATIME;
- if (iflags & FS_PROJINHERIT_FL)
+ if (iflags & F2FS_PROJINHERIT_FL)
xflags |= FS_XFLAG_PROJINHERIT;
return xflags;
}
@@ -2620,31 +2646,23 @@ static inline __u32 f2fs_iflags_to_xflags(unsigned long iflags)
FS_XFLAG_APPEND | FS_XFLAG_NODUMP | \
FS_XFLAG_NOATIME | FS_XFLAG_PROJINHERIT)
-/* Flags we can manipulate with through EXT4_IOC_FSSETXATTR */
-#define F2FS_FL_XFLAG_VISIBLE (FS_SYNC_FL | \
- FS_IMMUTABLE_FL | \
- FS_APPEND_FL | \
- FS_NODUMP_FL | \
- FS_NOATIME_FL | \
- FS_PROJINHERIT_FL)
-
/* Transfer xflags flags to internal */
static inline unsigned long f2fs_xflags_to_iflags(__u32 xflags)
{
unsigned long iflags = 0;
if (xflags & FS_XFLAG_SYNC)
- iflags |= FS_SYNC_FL;
+ iflags |= F2FS_SYNC_FL;
if (xflags & FS_XFLAG_IMMUTABLE)
- iflags |= FS_IMMUTABLE_FL;
+ iflags |= F2FS_IMMUTABLE_FL;
if (xflags & FS_XFLAG_APPEND)
- iflags |= FS_APPEND_FL;
+ iflags |= F2FS_APPEND_FL;
if (xflags & FS_XFLAG_NODUMP)
- iflags |= FS_NODUMP_FL;
+ iflags |= F2FS_NODUMP_FL;
if (xflags & FS_XFLAG_NOATIME)
- iflags |= FS_NOATIME_FL;
+ iflags |= F2FS_NOATIME_FL;
if (xflags & FS_XFLAG_PROJINHERIT)
- iflags |= FS_PROJINHERIT_FL;
+ iflags |= F2FS_PROJINHERIT_FL;
return iflags;
}
@@ -2657,7 +2675,7 @@ static int f2fs_ioc_fsgetxattr(struct file *filp, unsigned long arg)
memset(&fa, 0, sizeof(struct fsxattr));
fa.fsx_xflags = f2fs_iflags_to_xflags(fi->i_flags &
- (FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL));
+ F2FS_FL_USER_VISIBLE);
if (f2fs_sb_has_project_quota(inode->i_sb))
fa.fsx_projid = (__u32)from_kprojid(&init_user_ns,
@@ -2717,12 +2735,14 @@ int f2fs_pin_file_control(struct inode *inode, bool inc)
/* Use i_gc_failures for normal file as a risk signal. */
if (inc)
- f2fs_i_gc_failures_write(inode, fi->i_gc_failures + 1);
+ f2fs_i_gc_failures_write(inode,
+ fi->i_gc_failures[GC_FAILURE_PIN] + 1);
- if (fi->i_gc_failures > sbi->gc_pin_file_threshold) {
+ if (fi->i_gc_failures[GC_FAILURE_PIN] > sbi->gc_pin_file_threshold) {
f2fs_msg(sbi->sb, KERN_WARNING,
"%s: Enable GC = ino %lx after %x GC trials\n",
- __func__, inode->i_ino, fi->i_gc_failures);
+ __func__, inode->i_ino,
+ fi->i_gc_failures[GC_FAILURE_PIN]);
clear_inode_flag(inode, FI_PIN_FILE);
return -EAGAIN;
}
@@ -2753,14 +2773,14 @@ static int f2fs_ioc_set_pin_file(struct file *filp, unsigned long arg)
inode_lock(inode);
- if (should_update_outplace(inode, NULL)) {
+ if (f2fs_should_update_outplace(inode, NULL)) {
ret = -EINVAL;
goto out;
}
if (!pin) {
clear_inode_flag(inode, FI_PIN_FILE);
- F2FS_I(inode)->i_gc_failures = 1;
+ F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = 1;
goto done;
}
@@ -2773,7 +2793,7 @@ static int f2fs_ioc_set_pin_file(struct file *filp, unsigned long arg)
goto out;
set_inode_flag(inode, FI_PIN_FILE);
- ret = F2FS_I(inode)->i_gc_failures;
+ ret = F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN];
done:
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
out:
@@ -2788,7 +2808,7 @@ static int f2fs_ioc_get_pin_file(struct file *filp, unsigned long arg)
__u32 pin = 0;
if (is_inode_flag_set(inode, FI_PIN_FILE))
- pin = F2FS_I(inode)->i_gc_failures;
+ pin = F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN];
return put_user(pin, (u32 __user *)arg);
}
@@ -2812,9 +2832,9 @@ int f2fs_precache_extents(struct inode *inode)
while (map.m_lblk < end) {
map.m_len = end - map.m_lblk;
- down_write(&fi->dio_rwsem[WRITE]);
+ down_write(&fi->i_gc_rwsem[WRITE]);
err = f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_PRECACHE);
- up_write(&fi->dio_rwsem[WRITE]);
+ up_write(&fi->i_gc_rwsem[WRITE]);
if (err)
return err;
@@ -2866,7 +2886,7 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
case F2FS_IOC_GARBAGE_COLLECT_RANGE:
return f2fs_ioc_gc_range(filp, arg);
case F2FS_IOC_WRITE_CHECKPOINT:
- return f2fs_ioc_write_checkpoint(filp, arg);
+ return f2fs_ioc_f2fs_write_checkpoint(filp, arg);
case F2FS_IOC_DEFRAGMENT:
return f2fs_ioc_defragment(filp, arg);
case F2FS_IOC_MOVE_RANGE:
@@ -2894,7 +2914,6 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file_inode(file);
- struct blk_plug plug;
ssize_t ret;
if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
@@ -2924,6 +2943,8 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
iov_iter_count(from)) ||
f2fs_has_inline_data(inode) ||
f2fs_force_buffered_io(inode, WRITE)) {
+ clear_inode_flag(inode,
+ FI_NO_PREALLOC);
inode_unlock(inode);
return -EAGAIN;
}
@@ -2939,9 +2960,7 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
return err;
}
}
- blk_start_plug(&plug);
ret = __generic_file_write_iter(iocb, from);
- blk_finish_plug(&plug);
clear_inode_flag(inode, FI_NO_PREALLOC);
/* if we couldn't write data, we should deallocate blocks. */
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 9327411fd93b..9093be6e7a7d 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -76,7 +76,7 @@ static int gc_thread_func(void *data)
* invalidated soon after by user update or deletion.
* So, I'd like to wait some time to collect dirty segments.
*/
- if (gc_th->gc_urgent) {
+ if (sbi->gc_mode == GC_URGENT) {
wait_ms = gc_th->urgent_sleep_time;
mutex_lock(&sbi->gc_mutex);
goto do_gc;
@@ -114,7 +114,7 @@ next:
return 0;
}
-int start_gc_thread(struct f2fs_sb_info *sbi)
+int f2fs_start_gc_thread(struct f2fs_sb_info *sbi)
{
struct f2fs_gc_kthread *gc_th;
dev_t dev = sbi->sb->s_bdev->bd_dev;
@@ -131,8 +131,6 @@ int start_gc_thread(struct f2fs_sb_info *sbi)
gc_th->max_sleep_time = DEF_GC_THREAD_MAX_SLEEP_TIME;
gc_th->no_gc_sleep_time = DEF_GC_THREAD_NOGC_SLEEP_TIME;
- gc_th->gc_idle = 0;
- gc_th->gc_urgent = 0;
gc_th->gc_wake= 0;
sbi->gc_thread = gc_th;
@@ -148,7 +146,7 @@ out:
return err;
}
-void stop_gc_thread(struct f2fs_sb_info *sbi)
+void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi)
{
struct f2fs_gc_kthread *gc_th = sbi->gc_thread;
if (!gc_th)
@@ -158,21 +156,19 @@ void stop_gc_thread(struct f2fs_sb_info *sbi)
sbi->gc_thread = NULL;
}
-static int select_gc_type(struct f2fs_gc_kthread *gc_th, int gc_type)
+static int select_gc_type(struct f2fs_sb_info *sbi, int gc_type)
{
int gc_mode = (gc_type == BG_GC) ? GC_CB : GC_GREEDY;
- if (!gc_th)
- return gc_mode;
-
- if (gc_th->gc_idle) {
- if (gc_th->gc_idle == 1)
- gc_mode = GC_CB;
- else if (gc_th->gc_idle == 2)
- gc_mode = GC_GREEDY;
- }
- if (gc_th->gc_urgent)
+ switch (sbi->gc_mode) {
+ case GC_IDLE_CB:
+ gc_mode = GC_CB;
+ break;
+ case GC_IDLE_GREEDY:
+ case GC_URGENT:
gc_mode = GC_GREEDY;
+ break;
+ }
return gc_mode;
}
@@ -187,7 +183,7 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,
p->max_search = dirty_i->nr_dirty[type];
p->ofs_unit = 1;
} else {
- p->gc_mode = select_gc_type(sbi->gc_thread, gc_type);
+ p->gc_mode = select_gc_type(sbi, gc_type);
p->dirty_segmap = dirty_i->dirty_segmap[DIRTY];
p->max_search = dirty_i->nr_dirty[DIRTY];
p->ofs_unit = sbi->segs_per_sec;
@@ -195,7 +191,7 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,
/* we need to check every dirty segments in the FG_GC case */
if (gc_type != FG_GC &&
- (sbi->gc_thread && !sbi->gc_thread->gc_urgent) &&
+ (sbi->gc_mode != GC_URGENT) &&
p->max_search > sbi->max_victim_search)
p->max_search = sbi->max_victim_search;
@@ -234,10 +230,6 @@ static unsigned int check_bg_victims(struct f2fs_sb_info *sbi)
for_each_set_bit(secno, dirty_i->victim_secmap, MAIN_SECS(sbi)) {
if (sec_usage_check(sbi, secno))
continue;
-
- if (no_fggc_candidate(sbi, secno))
- continue;
-
clear_bit(secno, dirty_i->victim_secmap);
return GET_SEG_FROM_SEC(sbi, secno);
}
@@ -377,9 +369,6 @@ static int get_victim_by_default(struct f2fs_sb_info *sbi,
goto next;
if (gc_type == BG_GC && test_bit(secno, dirty_i->victim_secmap))
goto next;
- if (gc_type == FG_GC && p.alloc_mode == LFS &&
- no_fggc_candidate(sbi, secno))
- goto next;
cost = get_gc_cost(sbi, segno, &p);
@@ -440,7 +429,7 @@ static void add_gc_inode(struct gc_inode_list *gc_list, struct inode *inode)
iput(inode);
return;
}
- new_ie = f2fs_kmem_cache_alloc(inode_entry_slab, GFP_NOFS);
+ new_ie = f2fs_kmem_cache_alloc(f2fs_inode_entry_slab, GFP_NOFS);
new_ie->inode = inode;
f2fs_radix_tree_insert(&gc_list->iroot, inode->i_ino, new_ie);
@@ -454,7 +443,7 @@ static void put_gc_inode(struct gc_inode_list *gc_list)
radix_tree_delete(&gc_list->iroot, ie->inode->i_ino);
iput(ie->inode);
list_del(&ie->list);
- kmem_cache_free(inode_entry_slab, ie);
+ kmem_cache_free(f2fs_inode_entry_slab, ie);
}
}
@@ -484,12 +473,16 @@ static void gc_node_segment(struct f2fs_sb_info *sbi,
block_t start_addr;
int off;
int phase = 0;
+ bool fggc = (gc_type == FG_GC);
start_addr = START_BLOCK(sbi, segno);
next_step:
entry = sum;
+ if (fggc && phase == 2)
+ atomic_inc(&sbi->wb_sync_req[NODE]);
+
for (off = 0; off < sbi->blocks_per_seg; off++, entry++) {
nid_t nid = le32_to_cpu(entry->nid);
struct page *node_page;
@@ -503,39 +496,42 @@ next_step:
continue;
if (phase == 0) {
- ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), 1,
+ f2fs_ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), 1,
META_NAT, true);
continue;
}
if (phase == 1) {
- ra_node_page(sbi, nid);
+ f2fs_ra_node_page(sbi, nid);
continue;
}
/* phase == 2 */
- node_page = get_node_page(sbi, nid);
+ node_page = f2fs_get_node_page(sbi, nid);
if (IS_ERR(node_page))
continue;
- /* block may become invalid during get_node_page */
+ /* block may become invalid during f2fs_get_node_page */
if (check_valid_map(sbi, segno, off) == 0) {
f2fs_put_page(node_page, 1);
continue;
}
- get_node_info(sbi, nid, &ni);
+ f2fs_get_node_info(sbi, nid, &ni);
if (ni.blk_addr != start_addr + off) {
f2fs_put_page(node_page, 1);
continue;
}
- move_node_page(node_page, gc_type);
+ f2fs_move_node_page(node_page, gc_type);
stat_inc_node_blk_count(sbi, 1, gc_type);
}
if (++phase < 3)
goto next_step;
+
+ if (fggc)
+ atomic_dec(&sbi->wb_sync_req[NODE]);
}
/*
@@ -545,7 +541,7 @@ next_step:
* as indirect or double indirect node blocks, are given, it must be a caller's
* bug.
*/
-block_t start_bidx_of_node(unsigned int node_ofs, struct inode *inode)
+block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode)
{
unsigned int indirect_blks = 2 * NIDS_PER_BLOCK + 4;
unsigned int bidx;
@@ -576,11 +572,11 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
nid = le32_to_cpu(sum->nid);
ofs_in_node = le16_to_cpu(sum->ofs_in_node);
- node_page = get_node_page(sbi, nid);
+ node_page = f2fs_get_node_page(sbi, nid);
if (IS_ERR(node_page))
return false;
- get_node_info(sbi, nid, dni);
+ f2fs_get_node_info(sbi, nid, dni);
if (sum->version != dni->version) {
f2fs_msg(sbi->sb, KERN_WARNING,
@@ -603,7 +599,7 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
* This can be used to move blocks, aka LBAs, directly on disk.
*/
static void move_data_block(struct inode *inode, block_t bidx,
- unsigned int segno, int off)
+ int gc_type, unsigned int segno, int off)
{
struct f2fs_io_info fio = {
.sbi = F2FS_I_SB(inode),
@@ -614,6 +610,7 @@ static void move_data_block(struct inode *inode, block_t bidx,
.op_flags = 0,
.encrypted_page = NULL,
.in_list = false,
+ .retry = false,
};
struct dnode_of_data dn;
struct f2fs_summary sum;
@@ -621,6 +618,7 @@ static void move_data_block(struct inode *inode, block_t bidx,
struct page *page;
block_t newaddr;
int err;
+ bool lfs_mode = test_opt(fio.sbi, LFS);
/* do not read out */
page = f2fs_grab_cache_page(inode->i_mapping, bidx, false);
@@ -630,8 +628,11 @@ static void move_data_block(struct inode *inode, block_t bidx,
if (!check_valid_map(F2FS_I_SB(inode), segno, off))
goto out;
- if (f2fs_is_atomic_file(inode))
+ if (f2fs_is_atomic_file(inode)) {
+ F2FS_I(inode)->i_gc_failures[GC_FAILURE_ATOMIC]++;
+ F2FS_I_SB(inode)->skipped_atomic_files[gc_type]++;
goto out;
+ }
if (f2fs_is_pinned_file(inode)) {
f2fs_pin_file_control(inode, true);
@@ -639,7 +640,7 @@ static void move_data_block(struct inode *inode, block_t bidx,
}
set_new_dnode(&dn, inode, NULL, NULL, 0);
- err = get_dnode_of_data(&dn, bidx, LOOKUP_NODE);
+ err = f2fs_get_dnode_of_data(&dn, bidx, LOOKUP_NODE);
if (err)
goto out;
@@ -654,14 +655,17 @@ static void move_data_block(struct inode *inode, block_t bidx,
*/
f2fs_wait_on_page_writeback(page, DATA, true);
- get_node_info(fio.sbi, dn.nid, &ni);
+ f2fs_get_node_info(fio.sbi, dn.nid, &ni);
set_summary(&sum, dn.nid, dn.ofs_in_node, ni.version);
/* read page */
fio.page = page;
fio.new_blkaddr = fio.old_blkaddr = dn.data_blkaddr;
- allocate_data_block(fio.sbi, NULL, fio.old_blkaddr, &newaddr,
+ if (lfs_mode)
+ down_write(&fio.sbi->io_order_lock);
+
+ f2fs_allocate_data_block(fio.sbi, NULL, fio.old_blkaddr, &newaddr,
&sum, CURSEG_COLD_DATA, NULL, false);
fio.encrypted_page = f2fs_pagecache_get_page(META_MAPPING(fio.sbi),
@@ -693,6 +697,7 @@ static void move_data_block(struct inode *inode, block_t bidx,
dec_page_count(fio.sbi, F2FS_DIRTY_META);
set_page_writeback(fio.encrypted_page);
+ ClearPageError(page);
/* allocate block address */
f2fs_wait_on_page_writeback(dn.node_page, NODE, true);
@@ -700,8 +705,8 @@ static void move_data_block(struct inode *inode, block_t bidx,
fio.op = REQ_OP_WRITE;
fio.op_flags = REQ_SYNC;
fio.new_blkaddr = newaddr;
- err = f2fs_submit_page_write(&fio);
- if (err) {
+ f2fs_submit_page_write(&fio);
+ if (fio.retry) {
if (PageWriteback(fio.encrypted_page))
end_page_writeback(fio.encrypted_page);
goto put_page_out;
@@ -716,8 +721,10 @@ static void move_data_block(struct inode *inode, block_t bidx,
put_page_out:
f2fs_put_page(fio.encrypted_page, 1);
recover_block:
+ if (lfs_mode)
+ up_write(&fio.sbi->io_order_lock);
if (err)
- __f2fs_replace_block(fio.sbi, &sum, newaddr, fio.old_blkaddr,
+ f2fs_do_replace_block(fio.sbi, &sum, newaddr, fio.old_blkaddr,
true, true);
put_out:
f2fs_put_dnode(&dn);
@@ -730,15 +737,18 @@ static void move_data_page(struct inode *inode, block_t bidx, int gc_type,
{
struct page *page;
- page = get_lock_data_page(inode, bidx, true);
+ page = f2fs_get_lock_data_page(inode, bidx, true);
if (IS_ERR(page))
return;
if (!check_valid_map(F2FS_I_SB(inode), segno, off))
goto out;
- if (f2fs_is_atomic_file(inode))
+ if (f2fs_is_atomic_file(inode)) {
+ F2FS_I(inode)->i_gc_failures[GC_FAILURE_ATOMIC]++;
+ F2FS_I_SB(inode)->skipped_atomic_files[gc_type]++;
goto out;
+ }
if (f2fs_is_pinned_file(inode)) {
if (gc_type == FG_GC)
f2fs_pin_file_control(inode, true);
@@ -772,15 +782,20 @@ retry:
f2fs_wait_on_page_writeback(page, DATA, true);
if (clear_page_dirty_for_io(page)) {
inode_dec_dirty_pages(inode);
- remove_dirty_inode(inode);
+ f2fs_remove_dirty_inode(inode);
}
set_cold_data(page);
- err = do_write_data_page(&fio);
- if (err == -ENOMEM && is_dirty) {
- congestion_wait(BLK_RW_ASYNC, HZ/50);
- goto retry;
+ err = f2fs_do_write_data_page(&fio);
+ if (err) {
+ clear_cold_data(page);
+ if (err == -ENOMEM) {
+ congestion_wait(BLK_RW_ASYNC, HZ/50);
+ goto retry;
+ }
+ if (is_dirty)
+ set_page_dirty(page);
}
}
out:
@@ -824,13 +839,13 @@ next_step:
continue;
if (phase == 0) {
- ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), 1,
+ f2fs_ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), 1,
META_NAT, true);
continue;
}
if (phase == 1) {
- ra_node_page(sbi, nid);
+ f2fs_ra_node_page(sbi, nid);
continue;
}
@@ -839,7 +854,7 @@ next_step:
continue;
if (phase == 2) {
- ra_node_page(sbi, dni.ino);
+ f2fs_ra_node_page(sbi, dni.ino);
continue;
}
@@ -850,23 +865,23 @@ next_step:
if (IS_ERR(inode) || is_bad_inode(inode))
continue;
- /* if encrypted inode, let's go phase 3 */
- if (f2fs_encrypted_file(inode)) {
+ /* if inode uses special I/O path, let's go phase 3 */
+ if (f2fs_post_read_required(inode)) {
add_gc_inode(gc_list, inode);
continue;
}
if (!down_write_trylock(
- &F2FS_I(inode)->dio_rwsem[WRITE])) {
+ &F2FS_I(inode)->i_gc_rwsem[WRITE])) {
iput(inode);
continue;
}
- start_bidx = start_bidx_of_node(nofs, inode);
- data_page = get_read_data_page(inode,
+ start_bidx = f2fs_start_bidx_of_node(nofs, inode);
+ data_page = f2fs_get_read_data_page(inode,
start_bidx + ofs_in_node, REQ_RAHEAD,
true);
- up_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
if (IS_ERR(data_page)) {
iput(inode);
continue;
@@ -884,11 +899,11 @@ next_step:
bool locked = false;
if (S_ISREG(inode->i_mode)) {
- if (!down_write_trylock(&fi->dio_rwsem[READ]))
+ if (!down_write_trylock(&fi->i_gc_rwsem[READ]))
continue;
if (!down_write_trylock(
- &fi->dio_rwsem[WRITE])) {
- up_write(&fi->dio_rwsem[READ]);
+ &fi->i_gc_rwsem[WRITE])) {
+ up_write(&fi->i_gc_rwsem[READ]);
continue;
}
locked = true;
@@ -897,17 +912,18 @@ next_step:
inode_dio_wait(inode);
}
- start_bidx = start_bidx_of_node(nofs, inode)
+ start_bidx = f2fs_start_bidx_of_node(nofs, inode)
+ ofs_in_node;
- if (f2fs_encrypted_file(inode))
- move_data_block(inode, start_bidx, segno, off);
+ if (f2fs_post_read_required(inode))
+ move_data_block(inode, start_bidx, gc_type,
+ segno, off);
else
move_data_page(inode, start_bidx, gc_type,
segno, off);
if (locked) {
- up_write(&fi->dio_rwsem[WRITE]);
- up_write(&fi->dio_rwsem[READ]);
+ up_write(&fi->i_gc_rwsem[WRITE]);
+ up_write(&fi->i_gc_rwsem[READ]);
}
stat_inc_data_blk_count(sbi, 1, gc_type);
@@ -946,12 +962,12 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
/* readahead multi ssa blocks those have contiguous address */
if (sbi->segs_per_sec > 1)
- ra_meta_pages(sbi, GET_SUM_BLOCK(sbi, segno),
+ f2fs_ra_meta_pages(sbi, GET_SUM_BLOCK(sbi, segno),
sbi->segs_per_sec, META_SSA, true);
/* reference all summary page */
while (segno < end_segno) {
- sum_page = get_sum_page(sbi, segno++);
+ sum_page = f2fs_get_sum_page(sbi, segno++);
unlock_page(sum_page);
}
@@ -1017,6 +1033,8 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync,
.ilist = LIST_HEAD_INIT(gc_list.ilist),
.iroot = RADIX_TREE_INIT(gc_list.iroot, GFP_NOFS),
};
+ unsigned long long last_skipped = sbi->skipped_atomic_files[FG_GC];
+ unsigned int skipped_round = 0, round = 0;
trace_f2fs_gc_begin(sbi->sb, sync, background,
get_pages(sbi, F2FS_DIRTY_NODES),
@@ -1045,7 +1063,7 @@ gc_more:
* secure free segments which doesn't need fggc any more.
*/
if (prefree_segments(sbi)) {
- ret = write_checkpoint(sbi, &cpc);
+ ret = f2fs_write_checkpoint(sbi, &cpc);
if (ret)
goto stop;
}
@@ -1068,17 +1086,27 @@ gc_more:
sec_freed++;
total_freed += seg_freed;
+ if (gc_type == FG_GC) {
+ if (sbi->skipped_atomic_files[FG_GC] > last_skipped)
+ skipped_round++;
+ last_skipped = sbi->skipped_atomic_files[FG_GC];
+ round++;
+ }
+
if (gc_type == FG_GC)
sbi->cur_victim_sec = NULL_SEGNO;
if (!sync) {
if (has_not_enough_free_secs(sbi, sec_freed, 0)) {
+ if (skipped_round > MAX_SKIP_ATOMIC_COUNT &&
+ skipped_round * 2 >= round)
+ f2fs_drop_inmem_pages_all(sbi, true);
segno = NULL_SEGNO;
goto gc_more;
}
if (gc_type == FG_GC)
- ret = write_checkpoint(sbi, &cpc);
+ ret = f2fs_write_checkpoint(sbi, &cpc);
}
stop:
SIT_I(sbi)->last_victim[ALLOC_NEXT] = 0;
@@ -1102,19 +1130,10 @@ stop:
return ret;
}
-void build_gc_manager(struct f2fs_sb_info *sbi)
+void f2fs_build_gc_manager(struct f2fs_sb_info *sbi)
{
- u64 main_count, resv_count, ovp_count;
-
DIRTY_I(sbi)->v_ops = &default_v_ops;
- /* threshold of # of valid blocks in a section for victims of FG_GC */
- main_count = SM_I(sbi)->main_segments << sbi->log_blocks_per_seg;
- resv_count = SM_I(sbi)->reserved_segments << sbi->log_blocks_per_seg;
- ovp_count = SM_I(sbi)->ovp_segments << sbi->log_blocks_per_seg;
-
- sbi->fggc_threshold = div64_u64((main_count - ovp_count) *
- BLKS_PER_SEC(sbi), (main_count - resv_count));
sbi->gc_pin_file_threshold = DEF_GC_FAILED_PINNED_FILES;
/* give warm/cold data area from slower device */
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
index b0045d4c8d1e..c8619e408009 100644
--- a/fs/f2fs/gc.h
+++ b/fs/f2fs/gc.h
@@ -36,8 +36,6 @@ struct f2fs_gc_kthread {
unsigned int no_gc_sleep_time;
/* for changing gc mode */
- unsigned int gc_idle;
- unsigned int gc_urgent;
unsigned int gc_wake;
};
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 265da200daa8..043830be5662 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -25,7 +25,7 @@ bool f2fs_may_inline_data(struct inode *inode)
if (i_size_read(inode) > MAX_INLINE_DATA(inode))
return false;
- if (f2fs_encrypted_file(inode))
+ if (f2fs_post_read_required(inode))
return false;
return true;
@@ -42,7 +42,7 @@ bool f2fs_may_inline_dentry(struct inode *inode)
return true;
}
-void read_inline_data(struct page *page, struct page *ipage)
+void f2fs_do_read_inline_data(struct page *page, struct page *ipage)
{
struct inode *inode = page->mapping->host;
void *src_addr, *dst_addr;
@@ -64,7 +64,8 @@ void read_inline_data(struct page *page, struct page *ipage)
SetPageUptodate(page);
}
-void truncate_inline_inode(struct inode *inode, struct page *ipage, u64 from)
+void f2fs_truncate_inline_inode(struct inode *inode,
+ struct page *ipage, u64 from)
{
void *addr;
@@ -85,7 +86,7 @@ int f2fs_read_inline_data(struct inode *inode, struct page *page)
{
struct page *ipage;
- ipage = get_node_page(F2FS_I_SB(inode), inode->i_ino);
+ ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino);
if (IS_ERR(ipage)) {
unlock_page(page);
return PTR_ERR(ipage);
@@ -99,7 +100,7 @@ int f2fs_read_inline_data(struct inode *inode, struct page *page)
if (page->index)
zero_user_segment(page, 0, PAGE_SIZE);
else
- read_inline_data(page, ipage);
+ f2fs_do_read_inline_data(page, ipage);
if (!PageUptodate(page))
SetPageUptodate(page);
@@ -131,7 +132,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
f2fs_bug_on(F2FS_P_SB(page), PageWriteback(page));
- read_inline_data(page, dn->inode_page);
+ f2fs_do_read_inline_data(page, dn->inode_page);
set_page_dirty(page);
/* clear dirty state */
@@ -139,20 +140,21 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
/* write data page to try to make data consistent */
set_page_writeback(page);
+ ClearPageError(page);
fio.old_blkaddr = dn->data_blkaddr;
set_inode_flag(dn->inode, FI_HOT_DATA);
- write_data_page(dn, &fio);
+ f2fs_outplace_write_data(dn, &fio);
f2fs_wait_on_page_writeback(page, DATA, true);
if (dirty) {
inode_dec_dirty_pages(dn->inode);
- remove_dirty_inode(dn->inode);
+ f2fs_remove_dirty_inode(dn->inode);
}
/* this converted inline_data should be recovered. */
set_inode_flag(dn->inode, FI_APPEND_WRITE);
/* clear inline data and flag after data writeback */
- truncate_inline_inode(dn->inode, dn->inode_page, 0);
+ f2fs_truncate_inline_inode(dn->inode, dn->inode_page, 0);
clear_inline_node(dn->inode_page);
clear_out:
stat_dec_inline_inode(dn->inode);
@@ -177,7 +179,7 @@ int f2fs_convert_inline_inode(struct inode *inode)
f2fs_lock_op(sbi);
- ipage = get_node_page(sbi, inode->i_ino);
+ ipage = f2fs_get_node_page(sbi, inode->i_ino);
if (IS_ERR(ipage)) {
err = PTR_ERR(ipage);
goto out;
@@ -203,12 +205,10 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page)
{
void *src_addr, *dst_addr;
struct dnode_of_data dn;
- struct address_space *mapping = page_mapping(page);
- unsigned long flags;
int err;
set_new_dnode(&dn, inode, NULL, NULL, 0);
- err = get_dnode_of_data(&dn, 0, LOOKUP_NODE);
+ err = f2fs_get_dnode_of_data(&dn, 0, LOOKUP_NODE);
if (err)
return err;
@@ -226,10 +226,7 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page)
kunmap_atomic(src_addr);
set_page_dirty(dn.inode_page);
- xa_lock_irqsave(&mapping->i_pages, flags);
- radix_tree_tag_clear(&mapping->i_pages, page_index(page),
- PAGECACHE_TAG_DIRTY);
- xa_unlock_irqrestore(&mapping->i_pages, flags);
+ f2fs_clear_radix_tree_dirty_tag(page);
set_inode_flag(inode, FI_APPEND_WRITE);
set_inode_flag(inode, FI_DATA_EXIST);
@@ -239,7 +236,7 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page)
return 0;
}
-bool recover_inline_data(struct inode *inode, struct page *npage)
+bool f2fs_recover_inline_data(struct inode *inode, struct page *npage)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode *ri = NULL;
@@ -260,7 +257,7 @@ bool recover_inline_data(struct inode *inode, struct page *npage)
if (f2fs_has_inline_data(inode) &&
ri && (ri->i_inline & F2FS_INLINE_DATA)) {
process_inline:
- ipage = get_node_page(sbi, inode->i_ino);
+ ipage = f2fs_get_node_page(sbi, inode->i_ino);
f2fs_bug_on(sbi, IS_ERR(ipage));
f2fs_wait_on_page_writeback(ipage, NODE, true);
@@ -278,20 +275,20 @@ process_inline:
}
if (f2fs_has_inline_data(inode)) {
- ipage = get_node_page(sbi, inode->i_ino);
+ ipage = f2fs_get_node_page(sbi, inode->i_ino);
f2fs_bug_on(sbi, IS_ERR(ipage));
- truncate_inline_inode(inode, ipage, 0);
+ f2fs_truncate_inline_inode(inode, ipage, 0);
clear_inode_flag(inode, FI_INLINE_DATA);
f2fs_put_page(ipage, 1);
} else if (ri && (ri->i_inline & F2FS_INLINE_DATA)) {
- if (truncate_blocks(inode, 0, false))
+ if (f2fs_truncate_blocks(inode, 0, false))
return false;
goto process_inline;
}
return false;
}
-struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
+struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
struct fscrypt_name *fname, struct page **res_page)
{
struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
@@ -302,7 +299,7 @@ struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
void *inline_dentry;
f2fs_hash_t namehash;
- ipage = get_node_page(sbi, dir->i_ino);
+ ipage = f2fs_get_node_page(sbi, dir->i_ino);
if (IS_ERR(ipage)) {
*res_page = ipage;
return NULL;
@@ -313,7 +310,7 @@ struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
inline_dentry = inline_data_addr(dir, ipage);
make_dentry_ptr_inline(dir, &d, inline_dentry);
- de = find_target_dentry(fname, namehash, NULL, &d);
+ de = f2fs_find_target_dentry(fname, namehash, NULL, &d);
unlock_page(ipage);
if (de)
*res_page = ipage;
@@ -323,7 +320,7 @@ struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
return de;
}
-int make_empty_inline_dir(struct inode *inode, struct inode *parent,
+int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent,
struct page *ipage)
{
struct f2fs_dentry_ptr d;
@@ -332,7 +329,7 @@ int make_empty_inline_dir(struct inode *inode, struct inode *parent,
inline_dentry = inline_data_addr(inode, ipage);
make_dentry_ptr_inline(inode, &d, inline_dentry);
- do_make_empty_dir(inode, parent, &d);
+ f2fs_do_make_empty_dir(inode, parent, &d);
set_page_dirty(ipage);
@@ -367,7 +364,6 @@ static int f2fs_move_inline_dirents(struct inode *dir, struct page *ipage,
goto out;
f2fs_wait_on_page_writeback(page, DATA, true);
- zero_user_segment(page, MAX_INLINE_DATA(dir), PAGE_SIZE);
dentry_blk = page_address(page);
@@ -391,7 +387,7 @@ static int f2fs_move_inline_dirents(struct inode *dir, struct page *ipage,
set_page_dirty(page);
/* clear inline dir and flag after data writeback */
- truncate_inline_inode(dir, ipage, 0);
+ f2fs_truncate_inline_inode(dir, ipage, 0);
stat_dec_inline_dir(dir);
clear_inode_flag(dir, FI_INLINE_DENTRY);
@@ -434,7 +430,7 @@ static int f2fs_add_inline_entries(struct inode *dir, void *inline_dentry)
new_name.len = le16_to_cpu(de->name_len);
ino = le32_to_cpu(de->ino);
- fake_mode = get_de_type(de) << S_SHIFT;
+ fake_mode = f2fs_get_de_type(de) << S_SHIFT;
err = f2fs_add_regular_entry(dir, &new_name, NULL, NULL,
ino, fake_mode);
@@ -446,8 +442,8 @@ static int f2fs_add_inline_entries(struct inode *dir, void *inline_dentry)
return 0;
punch_dentry_pages:
truncate_inode_pages(&dir->i_data, 0);
- truncate_blocks(dir, 0, false);
- remove_dirty_inode(dir);
+ f2fs_truncate_blocks(dir, 0, false);
+ f2fs_remove_dirty_inode(dir);
return err;
}
@@ -465,7 +461,7 @@ static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
}
memcpy(backup_dentry, inline_dentry, MAX_INLINE_DATA(dir));
- truncate_inline_inode(dir, ipage, 0);
+ f2fs_truncate_inline_inode(dir, ipage, 0);
unlock_page(ipage);
@@ -514,14 +510,14 @@ int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
struct page *page = NULL;
int err = 0;
- ipage = get_node_page(sbi, dir->i_ino);
+ ipage = f2fs_get_node_page(sbi, dir->i_ino);
if (IS_ERR(ipage))
return PTR_ERR(ipage);
inline_dentry = inline_data_addr(dir, ipage);
make_dentry_ptr_inline(dir, &d, inline_dentry);
- bit_pos = room_for_filename(d.bitmap, slots, d.max);
+ bit_pos = f2fs_room_for_filename(d.bitmap, slots, d.max);
if (bit_pos >= d.max) {
err = f2fs_convert_inline_dir(dir, ipage, inline_dentry);
if (err)
@@ -532,7 +528,7 @@ int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
if (inode) {
down_write(&F2FS_I(inode)->i_sem);
- page = init_inode_metadata(inode, dir, new_name,
+ page = f2fs_init_inode_metadata(inode, dir, new_name,
orig_name, ipage);
if (IS_ERR(page)) {
err = PTR_ERR(page);
@@ -553,7 +549,7 @@ int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
f2fs_put_page(page, 1);
}
- update_parent_metadata(dir, inode, 0);
+ f2fs_update_parent_metadata(dir, inode, 0);
fail:
if (inode)
up_write(&F2FS_I(inode)->i_sem);
@@ -599,7 +595,7 @@ bool f2fs_empty_inline_dir(struct inode *dir)
void *inline_dentry;
struct f2fs_dentry_ptr d;
- ipage = get_node_page(sbi, dir->i_ino);
+ ipage = f2fs_get_node_page(sbi, dir->i_ino);
if (IS_ERR(ipage))
return false;
@@ -630,7 +626,7 @@ int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
if (ctx->pos == d.max)
return 0;
- ipage = get_node_page(F2FS_I_SB(inode), inode->i_ino);
+ ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino);
if (IS_ERR(ipage))
return PTR_ERR(ipage);
@@ -656,7 +652,7 @@ int f2fs_inline_data_fiemap(struct inode *inode,
struct page *ipage;
int err = 0;
- ipage = get_node_page(F2FS_I_SB(inode), inode->i_ino);
+ ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino);
if (IS_ERR(ipage))
return PTR_ERR(ipage);
@@ -672,7 +668,7 @@ int f2fs_inline_data_fiemap(struct inode *inode,
ilen = start + len;
ilen -= start;
- get_node_info(F2FS_I_SB(inode), inode->i_ino, &ni);
+ f2fs_get_node_info(F2FS_I_SB(inode), inode->i_ino, &ni);
byteaddr = (__u64)ni.blk_addr << inode->i_sb->s_blocksize_bits;
byteaddr += (char *)inline_data_addr(inode, ipage) -
(char *)F2FS_INODE(ipage);
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index e0d9e8f27ed2..30a777369d2b 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -36,15 +36,15 @@ void f2fs_set_inode_flags(struct inode *inode)
unsigned int flags = F2FS_I(inode)->i_flags;
unsigned int new_fl = 0;
- if (flags & FS_SYNC_FL)
+ if (flags & F2FS_SYNC_FL)
new_fl |= S_SYNC;
- if (flags & FS_APPEND_FL)
+ if (flags & F2FS_APPEND_FL)
new_fl |= S_APPEND;
- if (flags & FS_IMMUTABLE_FL)
+ if (flags & F2FS_IMMUTABLE_FL)
new_fl |= S_IMMUTABLE;
- if (flags & FS_NOATIME_FL)
+ if (flags & F2FS_NOATIME_FL)
new_fl |= S_NOATIME;
- if (flags & FS_DIRSYNC_FL)
+ if (flags & F2FS_DIRSYNC_FL)
new_fl |= S_DIRSYNC;
if (f2fs_encrypted_inode(inode))
new_fl |= S_ENCRYPTED;
@@ -72,7 +72,7 @@ static bool __written_first_block(struct f2fs_inode *ri)
{
block_t addr = le32_to_cpu(ri->i_addr[offset_in_addr(ri)]);
- if (addr != NEW_ADDR && addr != NULL_ADDR)
+ if (is_valid_blkaddr(addr))
return true;
return false;
}
@@ -117,7 +117,6 @@ static void __recover_inline_status(struct inode *inode, struct page *ipage)
static bool f2fs_enable_inode_chksum(struct f2fs_sb_info *sbi, struct page *page)
{
struct f2fs_inode *ri = &F2FS_NODE(page)->i;
- int extra_isize = le32_to_cpu(ri->i_extra_isize);
if (!f2fs_sb_has_inode_chksum(sbi->sb))
return false;
@@ -125,7 +124,8 @@ static bool f2fs_enable_inode_chksum(struct f2fs_sb_info *sbi, struct page *page
if (!RAW_IS_INODE(F2FS_NODE(page)) || !(ri->i_inline & F2FS_EXTRA_ATTR))
return false;
- if (!F2FS_FITS_IN_INODE(ri, extra_isize, i_inode_checksum))
+ if (!F2FS_FITS_IN_INODE(ri, le16_to_cpu(ri->i_extra_isize),
+ i_inode_checksum))
return false;
return true;
@@ -185,6 +185,21 @@ void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page)
ri->i_inode_checksum = cpu_to_le32(f2fs_inode_chksum(sbi, page));
}
+static bool sanity_check_inode(struct inode *inode)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+
+ if (f2fs_sb_has_flexible_inline_xattr(sbi->sb)
+ && !f2fs_has_extra_attr(inode)) {
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ f2fs_msg(sbi->sb, KERN_WARNING,
+ "%s: corrupted inode ino=%lx, run fsck to fix.",
+ __func__, inode->i_ino);
+ return false;
+ }
+ return true;
+}
+
static int do_read_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
@@ -194,14 +209,10 @@ static int do_read_inode(struct inode *inode)
projid_t i_projid;
/* Check if ino is within scope */
- if (check_nid_range(sbi, inode->i_ino)) {
- f2fs_msg(inode->i_sb, KERN_ERR, "bad inode number: %lu",
- (unsigned long) inode->i_ino);
- WARN_ON(1);
+ if (f2fs_check_nid_range(sbi, inode->i_ino))
return -EINVAL;
- }
- node_page = get_node_page(sbi, inode->i_ino);
+ node_page = f2fs_get_node_page(sbi, inode->i_ino);
if (IS_ERR(node_page))
return PTR_ERR(node_page);
@@ -221,8 +232,11 @@ static int do_read_inode(struct inode *inode)
inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec);
inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec);
inode->i_generation = le32_to_cpu(ri->i_generation);
-
- fi->i_current_depth = le32_to_cpu(ri->i_current_depth);
+ if (S_ISDIR(inode->i_mode))
+ fi->i_current_depth = le32_to_cpu(ri->i_current_depth);
+ else if (S_ISREG(inode->i_mode))
+ fi->i_gc_failures[GC_FAILURE_PIN] =
+ le16_to_cpu(ri->i_gc_failures);
fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid);
fi->i_flags = le32_to_cpu(ri->i_flags);
fi->flags = 0;
@@ -239,7 +253,6 @@ static int do_read_inode(struct inode *inode)
le16_to_cpu(ri->i_extra_isize) : 0;
if (f2fs_sb_has_flexible_inline_xattr(sbi->sb)) {
- f2fs_bug_on(sbi, !f2fs_has_extra_attr(inode));
fi->i_inline_xattr_size = le16_to_cpu(ri->i_inline_xattr_size);
} else if (f2fs_has_inline_xattr(inode) ||
f2fs_has_inline_dentry(inode)) {
@@ -265,10 +278,10 @@ static int do_read_inode(struct inode *inode)
if (__written_first_block(ri))
set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN);
- if (!need_inode_block_update(sbi, inode->i_ino))
+ if (!f2fs_need_inode_block_update(sbi, inode->i_ino))
fi->last_disk_size = inode->i_size;
- if (fi->i_flags & FS_PROJINHERIT_FL)
+ if (fi->i_flags & F2FS_PROJINHERIT_FL)
set_inode_flag(inode, FI_PROJ_INHERIT);
if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi->sb) &&
@@ -317,13 +330,17 @@ struct inode *f2fs_iget(struct super_block *sb, unsigned long ino)
ret = do_read_inode(inode);
if (ret)
goto bad_inode;
+ if (!sanity_check_inode(inode)) {
+ ret = -EINVAL;
+ goto bad_inode;
+ }
make_now:
if (ino == F2FS_NODE_INO(sbi)) {
inode->i_mapping->a_ops = &f2fs_node_aops;
- mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO);
+ mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
} else if (ino == F2FS_META_INO(sbi)) {
inode->i_mapping->a_ops = &f2fs_meta_aops;
- mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO);
+ mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
} else if (S_ISREG(inode->i_mode)) {
inode->i_op = &f2fs_file_inode_operations;
inode->i_fop = &f2fs_file_operations;
@@ -373,7 +390,7 @@ retry:
return inode;
}
-void update_inode(struct inode *inode, struct page *node_page)
+void f2fs_update_inode(struct inode *inode, struct page *node_page)
{
struct f2fs_inode *ri;
struct extent_tree *et = F2FS_I(inode)->extent_tree;
@@ -408,7 +425,12 @@ void update_inode(struct inode *inode, struct page *node_page)
ri->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec);
ri->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
ri->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
- ri->i_current_depth = cpu_to_le32(F2FS_I(inode)->i_current_depth);
+ if (S_ISDIR(inode->i_mode))
+ ri->i_current_depth =
+ cpu_to_le32(F2FS_I(inode)->i_current_depth);
+ else if (S_ISREG(inode->i_mode))
+ ri->i_gc_failures =
+ cpu_to_le16(F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN]);
ri->i_xattr_nid = cpu_to_le32(F2FS_I(inode)->i_xattr_nid);
ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags);
ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino);
@@ -454,12 +476,12 @@ void update_inode(struct inode *inode, struct page *node_page)
F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime;
}
-void update_inode_page(struct inode *inode)
+void f2fs_update_inode_page(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct page *node_page;
retry:
- node_page = get_node_page(sbi, inode->i_ino);
+ node_page = f2fs_get_node_page(sbi, inode->i_ino);
if (IS_ERR(node_page)) {
int err = PTR_ERR(node_page);
if (err == -ENOMEM) {
@@ -470,7 +492,7 @@ retry:
}
return;
}
- update_inode(inode, node_page);
+ f2fs_update_inode(inode, node_page);
f2fs_put_page(node_page, 1);
}
@@ -489,7 +511,7 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
* We need to balance fs here to prevent from producing dirty node pages
* during the urgent cleaning time when runing out of free sections.
*/
- update_inode_page(inode);
+ f2fs_update_inode_page(inode);
if (wbc && wbc->nr_to_write)
f2fs_balance_fs(sbi, true);
return 0;
@@ -506,7 +528,7 @@ void f2fs_evict_inode(struct inode *inode)
/* some remained atomic pages should discarded */
if (f2fs_is_atomic_file(inode))
- drop_inmem_pages(inode);
+ f2fs_drop_inmem_pages(inode);
trace_f2fs_evict_inode(inode);
truncate_inode_pages_final(&inode->i_data);
@@ -516,7 +538,7 @@ void f2fs_evict_inode(struct inode *inode)
goto out_clear;
f2fs_bug_on(sbi, get_dirty_pages(inode));
- remove_dirty_inode(inode);
+ f2fs_remove_dirty_inode(inode);
f2fs_destroy_extent_tree(inode);
@@ -525,9 +547,9 @@ void f2fs_evict_inode(struct inode *inode)
dquot_initialize(inode);
- remove_ino_entry(sbi, inode->i_ino, APPEND_INO);
- remove_ino_entry(sbi, inode->i_ino, UPDATE_INO);
- remove_ino_entry(sbi, inode->i_ino, FLUSH_INO);
+ f2fs_remove_ino_entry(sbi, inode->i_ino, APPEND_INO);
+ f2fs_remove_ino_entry(sbi, inode->i_ino, UPDATE_INO);
+ f2fs_remove_ino_entry(sbi, inode->i_ino, FLUSH_INO);
sb_start_intwrite(inode->i_sb);
set_inode_flag(inode, FI_NO_ALLOC);
@@ -544,7 +566,7 @@ retry:
#endif
if (!err) {
f2fs_lock_op(sbi);
- err = remove_inode_page(inode);
+ err = f2fs_remove_inode_page(inode);
f2fs_unlock_op(sbi);
if (err == -ENOENT)
err = 0;
@@ -557,7 +579,7 @@ retry:
}
if (err)
- update_inode_page(inode);
+ f2fs_update_inode_page(inode);
dquot_free_inode(inode);
sb_end_intwrite(inode->i_sb);
no_delete:
@@ -580,16 +602,19 @@ no_delete:
invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid);
if (inode->i_nlink) {
if (is_inode_flag_set(inode, FI_APPEND_WRITE))
- add_ino_entry(sbi, inode->i_ino, APPEND_INO);
+ f2fs_add_ino_entry(sbi, inode->i_ino, APPEND_INO);
if (is_inode_flag_set(inode, FI_UPDATE_WRITE))
- add_ino_entry(sbi, inode->i_ino, UPDATE_INO);
+ f2fs_add_ino_entry(sbi, inode->i_ino, UPDATE_INO);
}
if (is_inode_flag_set(inode, FI_FREE_NID)) {
- alloc_nid_failed(sbi, inode->i_ino);
+ f2fs_alloc_nid_failed(sbi, inode->i_ino);
clear_inode_flag(inode, FI_FREE_NID);
} else {
- f2fs_bug_on(sbi, err &&
- !exist_written_data(sbi, inode->i_ino, ORPHAN_INO));
+ /*
+ * If xattr nid is corrupted, we can reach out error condition,
+ * err & !f2fs_exist_written_data(sbi, inode->i_ino, ORPHAN_INO)).
+ * In that case, f2fs_check_nid_range() is enough to give a clue.
+ */
}
out_clear:
fscrypt_put_encryption_info(inode);
@@ -597,7 +622,7 @@ out_clear:
}
/* caller should call f2fs_lock_op() */
-void handle_failed_inode(struct inode *inode)
+void f2fs_handle_failed_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct node_info ni;
@@ -612,7 +637,7 @@ void handle_failed_inode(struct inode *inode)
* we must call this to avoid inode being remained as dirty, resulting
* in a panic when flushing dirty inodes in gdirty_list.
*/
- update_inode_page(inode);
+ f2fs_update_inode_page(inode);
f2fs_inode_synced(inode);
/* don't make bad inode, since it becomes a regular file. */
@@ -623,18 +648,18 @@ void handle_failed_inode(struct inode *inode)
* so we can prevent losing this orphan when encoutering checkpoint
* and following suddenly power-off.
*/
- get_node_info(sbi, inode->i_ino, &ni);
+ f2fs_get_node_info(sbi, inode->i_ino, &ni);
if (ni.blk_addr != NULL_ADDR) {
- int err = acquire_orphan_inode(sbi);
+ int err = f2fs_acquire_orphan_inode(sbi);
if (err) {
set_sbi_flag(sbi, SBI_NEED_FSCK);
f2fs_msg(sbi->sb, KERN_WARNING,
"Too many orphan inodes, run fsck to fix.");
} else {
- add_orphan_inode(inode);
+ f2fs_add_orphan_inode(inode);
}
- alloc_nid_done(sbi, inode->i_ino);
+ f2fs_alloc_nid_done(sbi, inode->i_ino);
} else {
set_inode_flag(inode, FI_FREE_NID);
}
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 75e37fd720b2..64050c84d353 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -37,7 +37,7 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
return ERR_PTR(-ENOMEM);
f2fs_lock_op(sbi);
- if (!alloc_nid(sbi, &ino)) {
+ if (!f2fs_alloc_nid(sbi, &ino)) {
f2fs_unlock_op(sbi);
err = -ENOSPC;
goto fail;
@@ -54,6 +54,9 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
F2FS_I(inode)->i_crtime = current_time(inode);
inode->i_generation = sbi->s_next_generation++;
+ if (S_ISDIR(inode->i_mode))
+ F2FS_I(inode)->i_current_depth = 1;
+
err = insert_inode_locked(inode);
if (err) {
err = -EINVAL;
@@ -61,7 +64,7 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
}
if (f2fs_sb_has_project_quota(sbi->sb) &&
- (F2FS_I(dir)->i_flags & FS_PROJINHERIT_FL))
+ (F2FS_I(dir)->i_flags & F2FS_PROJINHERIT_FL))
F2FS_I(inode)->i_projid = F2FS_I(dir)->i_projid;
else
F2FS_I(inode)->i_projid = make_kprojid(&init_user_ns,
@@ -116,9 +119,9 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
f2fs_mask_flags(mode, F2FS_I(dir)->i_flags & F2FS_FL_INHERITED);
if (S_ISDIR(inode->i_mode))
- F2FS_I(inode)->i_flags |= FS_INDEX_FL;
+ F2FS_I(inode)->i_flags |= F2FS_INDEX_FL;
- if (F2FS_I(inode)->i_flags & FS_PROJINHERIT_FL)
+ if (F2FS_I(inode)->i_flags & F2FS_PROJINHERIT_FL)
set_inode_flag(inode, FI_PROJ_INHERIT);
trace_f2fs_new_inode(inode, 0);
@@ -193,7 +196,7 @@ static inline void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *
up_read(&sbi->sb_lock);
}
-int update_extension_list(struct f2fs_sb_info *sbi, const char *name,
+int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
bool hot, bool set)
{
__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
@@ -292,7 +295,7 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
goto out;
f2fs_unlock_op(sbi);
- alloc_nid_done(sbi, ino);
+ f2fs_alloc_nid_done(sbi, ino);
d_instantiate_new(dentry, inode);
@@ -302,7 +305,7 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
f2fs_balance_fs(sbi, true);
return 0;
out:
- handle_failed_inode(inode);
+ f2fs_handle_failed_inode(inode);
return err;
}
@@ -397,7 +400,7 @@ static int __recover_dot_dentries(struct inode *dir, nid_t pino)
err = PTR_ERR(page);
goto out;
} else {
- err = __f2fs_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR);
+ err = f2fs_do_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR);
if (err)
goto out;
}
@@ -408,7 +411,7 @@ static int __recover_dot_dentries(struct inode *dir, nid_t pino)
else if (IS_ERR(page))
err = PTR_ERR(page);
else
- err = __f2fs_add_link(dir, &dotdot, NULL, pino, S_IFDIR);
+ err = f2fs_do_add_link(dir, &dotdot, NULL, pino, S_IFDIR);
out:
if (!err)
clear_inode_flag(dir, FI_INLINE_DOTS);
@@ -520,7 +523,7 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
f2fs_balance_fs(sbi, true);
f2fs_lock_op(sbi);
- err = acquire_orphan_inode(sbi);
+ err = f2fs_acquire_orphan_inode(sbi);
if (err) {
f2fs_unlock_op(sbi);
f2fs_put_page(page, 0);
@@ -585,9 +588,9 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
if (err)
- goto out_handle_failed_inode;
+ goto out_f2fs_handle_failed_inode;
f2fs_unlock_op(sbi);
- alloc_nid_done(sbi, inode->i_ino);
+ f2fs_alloc_nid_done(sbi, inode->i_ino);
err = fscrypt_encrypt_symlink(inode, symname, len, &disk_link);
if (err)
@@ -620,8 +623,8 @@ err_out:
f2fs_balance_fs(sbi, true);
goto out_free_encrypted_link;
-out_handle_failed_inode:
- handle_failed_inode(inode);
+out_f2fs_handle_failed_inode:
+ f2fs_handle_failed_inode(inode);
out_free_encrypted_link:
if (disk_link.name != (unsigned char *)symname)
kfree(disk_link.name);
@@ -657,7 +660,7 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
goto out_fail;
f2fs_unlock_op(sbi);
- alloc_nid_done(sbi, inode->i_ino);
+ f2fs_alloc_nid_done(sbi, inode->i_ino);
d_instantiate_new(dentry, inode);
@@ -669,7 +672,7 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
out_fail:
clear_inode_flag(inode, FI_INC_LINK);
- handle_failed_inode(inode);
+ f2fs_handle_failed_inode(inode);
return err;
}
@@ -708,7 +711,7 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
goto out;
f2fs_unlock_op(sbi);
- alloc_nid_done(sbi, inode->i_ino);
+ f2fs_alloc_nid_done(sbi, inode->i_ino);
d_instantiate_new(dentry, inode);
@@ -718,7 +721,7 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
f2fs_balance_fs(sbi, true);
return 0;
out:
- handle_failed_inode(inode);
+ f2fs_handle_failed_inode(inode);
return err;
}
@@ -747,7 +750,7 @@ static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
}
f2fs_lock_op(sbi);
- err = acquire_orphan_inode(sbi);
+ err = f2fs_acquire_orphan_inode(sbi);
if (err)
goto out;
@@ -759,8 +762,8 @@ static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
* add this non-linked tmpfile to orphan list, in this way we could
* remove all unused data of tmpfile after abnormal power-off.
*/
- add_orphan_inode(inode);
- alloc_nid_done(sbi, inode->i_ino);
+ f2fs_add_orphan_inode(inode);
+ f2fs_alloc_nid_done(sbi, inode->i_ino);
if (whiteout) {
f2fs_i_links_write(inode, false);
@@ -776,9 +779,9 @@ static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
return 0;
release_out:
- release_orphan_inode(sbi);
+ f2fs_release_orphan_inode(sbi);
out:
- handle_failed_inode(inode);
+ f2fs_handle_failed_inode(inode);
return err;
}
@@ -885,7 +888,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
f2fs_lock_op(sbi);
- err = acquire_orphan_inode(sbi);
+ err = f2fs_acquire_orphan_inode(sbi);
if (err)
goto put_out_dir;
@@ -899,9 +902,9 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
up_write(&F2FS_I(new_inode)->i_sem);
if (!new_inode->i_nlink)
- add_orphan_inode(new_inode);
+ f2fs_add_orphan_inode(new_inode);
else
- release_orphan_inode(sbi);
+ f2fs_release_orphan_inode(sbi);
} else {
f2fs_balance_fs(sbi, true);
@@ -969,8 +972,12 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
f2fs_put_page(old_dir_page, 0);
f2fs_i_links_write(old_dir, false);
}
- if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT)
- add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO);
+ if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) {
+ f2fs_add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO);
+ if (S_ISDIR(old_inode->i_mode))
+ f2fs_add_ino_entry(sbi, old_inode->i_ino,
+ TRANS_DIR_INO);
+ }
f2fs_unlock_op(sbi);
@@ -1121,8 +1128,8 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
f2fs_mark_inode_dirty_sync(new_dir, false);
if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) {
- add_ino_entry(sbi, old_dir->i_ino, TRANS_DIR_INO);
- add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO);
+ f2fs_add_ino_entry(sbi, old_dir->i_ino, TRANS_DIR_INO);
+ f2fs_add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO);
}
f2fs_unlock_op(sbi);
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index f202398e20ea..47d0e64a95a8 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -23,13 +23,28 @@
#include "trace.h"
#include <trace/events/f2fs.h>
-#define on_build_free_nids(nmi) mutex_is_locked(&(nm_i)->build_lock)
+#define on_f2fs_build_free_nids(nmi) mutex_is_locked(&(nm_i)->build_lock)
static struct kmem_cache *nat_entry_slab;
static struct kmem_cache *free_nid_slab;
static struct kmem_cache *nat_entry_set_slab;
-bool available_free_memory(struct f2fs_sb_info *sbi, int type)
+/*
+ * Check whether the given nid is within node id range.
+ */
+int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid)
+{
+ if (unlikely(nid < F2FS_ROOT_INO(sbi) || nid >= NM_I(sbi)->max_nid)) {
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ f2fs_msg(sbi->sb, KERN_WARNING,
+ "%s: out-of-range nid=%x, run fsck to fix.",
+ __func__, nid);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct sysinfo val;
@@ -87,18 +102,10 @@ bool available_free_memory(struct f2fs_sb_info *sbi, int type)
static void clear_node_page_dirty(struct page *page)
{
- struct address_space *mapping = page->mapping;
- unsigned int long flags;
-
if (PageDirty(page)) {
- xa_lock_irqsave(&mapping->i_pages, flags);
- radix_tree_tag_clear(&mapping->i_pages,
- page_index(page),
- PAGECACHE_TAG_DIRTY);
- xa_unlock_irqrestore(&mapping->i_pages, flags);
-
+ f2fs_clear_radix_tree_dirty_tag(page);
clear_page_dirty_for_io(page);
- dec_page_count(F2FS_M_SB(mapping), F2FS_DIRTY_NODES);
+ dec_page_count(F2FS_P_SB(page), F2FS_DIRTY_NODES);
}
ClearPageUptodate(page);
}
@@ -106,7 +113,7 @@ static void clear_node_page_dirty(struct page *page)
static struct page *get_current_nat_page(struct f2fs_sb_info *sbi, nid_t nid)
{
pgoff_t index = current_nat_addr(sbi, nid);
- return get_meta_page(sbi, index);
+ return f2fs_get_meta_page(sbi, index);
}
static struct page *get_next_nat_page(struct f2fs_sb_info *sbi, nid_t nid)
@@ -123,8 +130,8 @@ static struct page *get_next_nat_page(struct f2fs_sb_info *sbi, nid_t nid)
dst_off = next_nat_addr(sbi, src_off);
/* get current nat block page with lock */
- src_page = get_meta_page(sbi, src_off);
- dst_page = grab_meta_page(sbi, dst_off);
+ src_page = f2fs_get_meta_page(sbi, src_off);
+ dst_page = f2fs_grab_meta_page(sbi, dst_off);
f2fs_bug_on(sbi, PageDirty(src_page));
src_addr = page_address(src_page);
@@ -260,7 +267,7 @@ static unsigned int __gang_lookup_nat_set(struct f2fs_nm_info *nm_i,
start, nr);
}
-int need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid)
+int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct nat_entry *e;
@@ -277,7 +284,7 @@ int need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid)
return need;
}
-bool is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid)
+bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct nat_entry *e;
@@ -291,7 +298,7 @@ bool is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid)
return is_cp;
}
-bool need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino)
+bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct nat_entry *e;
@@ -364,8 +371,7 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni,
new_blkaddr == NULL_ADDR);
f2fs_bug_on(sbi, nat_get_blkaddr(e) == NEW_ADDR &&
new_blkaddr == NEW_ADDR);
- f2fs_bug_on(sbi, nat_get_blkaddr(e) != NEW_ADDR &&
- nat_get_blkaddr(e) != NULL_ADDR &&
+ f2fs_bug_on(sbi, is_valid_blkaddr(nat_get_blkaddr(e)) &&
new_blkaddr == NEW_ADDR);
/* increment version no as node is removed */
@@ -376,7 +382,7 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni,
/* change address */
nat_set_blkaddr(e, new_blkaddr);
- if (new_blkaddr == NEW_ADDR || new_blkaddr == NULL_ADDR)
+ if (!is_valid_blkaddr(new_blkaddr))
set_nat_flag(e, IS_CHECKPOINTED, false);
__set_nat_cache_dirty(nm_i, e);
@@ -391,7 +397,7 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni,
up_write(&nm_i->nat_tree_lock);
}
-int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink)
+int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
int nr = nr_shrink;
@@ -413,7 +419,8 @@ int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink)
/*
* This function always returns success
*/
-void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni)
+void f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
+ struct node_info *ni)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
@@ -443,7 +450,7 @@ void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni)
/* Check current segment summary */
down_read(&curseg->journal_rwsem);
- i = lookup_journal_in_cursum(journal, NAT_JOURNAL, nid, 0);
+ i = f2fs_lookup_journal_in_cursum(journal, NAT_JOURNAL, nid, 0);
if (i >= 0) {
ne = nat_in_journal(journal, i);
node_info_from_raw_nat(ni, &ne);
@@ -458,7 +465,7 @@ void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni)
index = current_nat_addr(sbi, nid);
up_read(&nm_i->nat_tree_lock);
- page = get_meta_page(sbi, index);
+ page = f2fs_get_meta_page(sbi, index);
nat_blk = (struct f2fs_nat_block *)page_address(page);
ne = nat_blk->entries[nid - start_nid];
node_info_from_raw_nat(ni, &ne);
@@ -471,7 +478,7 @@ cache:
/*
* readahead MAX_RA_NODE number of node pages.
*/
-static void ra_node_pages(struct page *parent, int start, int n)
+static void f2fs_ra_node_pages(struct page *parent, int start, int n)
{
struct f2fs_sb_info *sbi = F2FS_P_SB(parent);
struct blk_plug plug;
@@ -485,13 +492,13 @@ static void ra_node_pages(struct page *parent, int start, int n)
end = min(end, NIDS_PER_BLOCK);
for (i = start; i < end; i++) {
nid = get_nid(parent, i, false);
- ra_node_page(sbi, nid);
+ f2fs_ra_node_page(sbi, nid);
}
blk_finish_plug(&plug);
}
-pgoff_t get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs)
+pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs)
{
const long direct_index = ADDRS_PER_INODE(dn->inode);
const long direct_blks = ADDRS_PER_BLOCK;
@@ -606,7 +613,7 @@ got:
* f2fs_unlock_op() only if ro is not set RDONLY_NODE.
* In the case of RDONLY_NODE, we don't need to care about mutex.
*/
-int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode)
+int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
struct page *npage[4];
@@ -625,7 +632,7 @@ int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode)
npage[0] = dn->inode_page;
if (!npage[0]) {
- npage[0] = get_node_page(sbi, nids[0]);
+ npage[0] = f2fs_get_node_page(sbi, nids[0]);
if (IS_ERR(npage[0]))
return PTR_ERR(npage[0]);
}
@@ -649,24 +656,24 @@ int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode)
if (!nids[i] && mode == ALLOC_NODE) {
/* alloc new node */
- if (!alloc_nid(sbi, &(nids[i]))) {
+ if (!f2fs_alloc_nid(sbi, &(nids[i]))) {
err = -ENOSPC;
goto release_pages;
}
dn->nid = nids[i];
- npage[i] = new_node_page(dn, noffset[i]);
+ npage[i] = f2fs_new_node_page(dn, noffset[i]);
if (IS_ERR(npage[i])) {
- alloc_nid_failed(sbi, nids[i]);
+ f2fs_alloc_nid_failed(sbi, nids[i]);
err = PTR_ERR(npage[i]);
goto release_pages;
}
set_nid(parent, offset[i - 1], nids[i], i == 1);
- alloc_nid_done(sbi, nids[i]);
+ f2fs_alloc_nid_done(sbi, nids[i]);
done = true;
} else if (mode == LOOKUP_NODE_RA && i == level && level > 1) {
- npage[i] = get_node_page_ra(parent, offset[i - 1]);
+ npage[i] = f2fs_get_node_page_ra(parent, offset[i - 1]);
if (IS_ERR(npage[i])) {
err = PTR_ERR(npage[i]);
goto release_pages;
@@ -681,7 +688,7 @@ int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode)
}
if (!done) {
- npage[i] = get_node_page(sbi, nids[i]);
+ npage[i] = f2fs_get_node_page(sbi, nids[i]);
if (IS_ERR(npage[i])) {
err = PTR_ERR(npage[i]);
f2fs_put_page(npage[0], 0);
@@ -720,15 +727,15 @@ static void truncate_node(struct dnode_of_data *dn)
struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
struct node_info ni;
- get_node_info(sbi, dn->nid, &ni);
+ f2fs_get_node_info(sbi, dn->nid, &ni);
/* Deallocate node address */
- invalidate_blocks(sbi, ni.blk_addr);
+ f2fs_invalidate_blocks(sbi, ni.blk_addr);
dec_valid_node_count(sbi, dn->inode, dn->nid == dn->inode->i_ino);
set_node_addr(sbi, &ni, NULL_ADDR, false);
if (dn->nid == dn->inode->i_ino) {
- remove_orphan_inode(sbi, dn->nid);
+ f2fs_remove_orphan_inode(sbi, dn->nid);
dec_valid_inode_count(sbi);
f2fs_inode_synced(dn->inode);
}
@@ -753,7 +760,7 @@ static int truncate_dnode(struct dnode_of_data *dn)
return 1;
/* get direct node */
- page = get_node_page(F2FS_I_SB(dn->inode), dn->nid);
+ page = f2fs_get_node_page(F2FS_I_SB(dn->inode), dn->nid);
if (IS_ERR(page) && PTR_ERR(page) == -ENOENT)
return 1;
else if (IS_ERR(page))
@@ -762,7 +769,7 @@ static int truncate_dnode(struct dnode_of_data *dn)
/* Make dnode_of_data for parameter */
dn->node_page = page;
dn->ofs_in_node = 0;
- truncate_data_blocks(dn);
+ f2fs_truncate_data_blocks(dn);
truncate_node(dn);
return 1;
}
@@ -783,13 +790,13 @@ static int truncate_nodes(struct dnode_of_data *dn, unsigned int nofs,
trace_f2fs_truncate_nodes_enter(dn->inode, dn->nid, dn->data_blkaddr);
- page = get_node_page(F2FS_I_SB(dn->inode), dn->nid);
+ page = f2fs_get_node_page(F2FS_I_SB(dn->inode), dn->nid);
if (IS_ERR(page)) {
trace_f2fs_truncate_nodes_exit(dn->inode, PTR_ERR(page));
return PTR_ERR(page);
}
- ra_node_pages(page, ofs, NIDS_PER_BLOCK);
+ f2fs_ra_node_pages(page, ofs, NIDS_PER_BLOCK);
rn = F2FS_NODE(page);
if (depth < 3) {
@@ -859,7 +866,7 @@ static int truncate_partial_nodes(struct dnode_of_data *dn,
/* get indirect nodes in the path */
for (i = 0; i < idx + 1; i++) {
/* reference count'll be increased */
- pages[i] = get_node_page(F2FS_I_SB(dn->inode), nid[i]);
+ pages[i] = f2fs_get_node_page(F2FS_I_SB(dn->inode), nid[i]);
if (IS_ERR(pages[i])) {
err = PTR_ERR(pages[i]);
idx = i - 1;
@@ -868,7 +875,7 @@ static int truncate_partial_nodes(struct dnode_of_data *dn,
nid[i + 1] = get_nid(pages[i], offset[i + 1], false);
}
- ra_node_pages(pages[idx], offset[idx + 1], NIDS_PER_BLOCK);
+ f2fs_ra_node_pages(pages[idx], offset[idx + 1], NIDS_PER_BLOCK);
/* free direct nodes linked to a partial indirect node */
for (i = offset[idx + 1]; i < NIDS_PER_BLOCK; i++) {
@@ -905,7 +912,7 @@ fail:
/*
* All the block addresses of data and nodes should be nullified.
*/
-int truncate_inode_blocks(struct inode *inode, pgoff_t from)
+int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
int err = 0, cont = 1;
@@ -921,7 +928,7 @@ int truncate_inode_blocks(struct inode *inode, pgoff_t from)
if (level < 0)
return level;
- page = get_node_page(sbi, inode->i_ino);
+ page = f2fs_get_node_page(sbi, inode->i_ino);
if (IS_ERR(page)) {
trace_f2fs_truncate_inode_blocks_exit(inode, PTR_ERR(page));
return PTR_ERR(page);
@@ -1001,7 +1008,7 @@ fail:
}
/* caller must lock inode page */
-int truncate_xattr_node(struct inode *inode)
+int f2fs_truncate_xattr_node(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
nid_t nid = F2FS_I(inode)->i_xattr_nid;
@@ -1011,7 +1018,7 @@ int truncate_xattr_node(struct inode *inode)
if (!nid)
return 0;
- npage = get_node_page(sbi, nid);
+ npage = f2fs_get_node_page(sbi, nid);
if (IS_ERR(npage))
return PTR_ERR(npage);
@@ -1026,17 +1033,17 @@ int truncate_xattr_node(struct inode *inode)
* Caller should grab and release a rwsem by calling f2fs_lock_op() and
* f2fs_unlock_op().
*/
-int remove_inode_page(struct inode *inode)
+int f2fs_remove_inode_page(struct inode *inode)
{
struct dnode_of_data dn;
int err;
set_new_dnode(&dn, inode, NULL, NULL, inode->i_ino);
- err = get_dnode_of_data(&dn, 0, LOOKUP_NODE);
+ err = f2fs_get_dnode_of_data(&dn, 0, LOOKUP_NODE);
if (err)
return err;
- err = truncate_xattr_node(inode);
+ err = f2fs_truncate_xattr_node(inode);
if (err) {
f2fs_put_dnode(&dn);
return err;
@@ -1045,7 +1052,7 @@ int remove_inode_page(struct inode *inode)
/* remove potential inline_data blocks */
if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
S_ISLNK(inode->i_mode))
- truncate_data_blocks_range(&dn, 1);
+ f2fs_truncate_data_blocks_range(&dn, 1);
/* 0 is possible, after f2fs_new_inode() has failed */
f2fs_bug_on(F2FS_I_SB(inode),
@@ -1056,7 +1063,7 @@ int remove_inode_page(struct inode *inode)
return 0;
}
-struct page *new_inode_page(struct inode *inode)
+struct page *f2fs_new_inode_page(struct inode *inode)
{
struct dnode_of_data dn;
@@ -1064,10 +1071,10 @@ struct page *new_inode_page(struct inode *inode)
set_new_dnode(&dn, inode, NULL, NULL, inode->i_ino);
/* caller should f2fs_put_page(page, 1); */
- return new_node_page(&dn, 0);
+ return f2fs_new_node_page(&dn, 0);
}
-struct page *new_node_page(struct dnode_of_data *dn, unsigned int ofs)
+struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
struct node_info new_ni;
@@ -1085,7 +1092,7 @@ struct page *new_node_page(struct dnode_of_data *dn, unsigned int ofs)
goto fail;
#ifdef CONFIG_F2FS_CHECK_FS
- get_node_info(sbi, dn->nid, &new_ni);
+ f2fs_get_node_info(sbi, dn->nid, &new_ni);
f2fs_bug_on(sbi, new_ni.blk_addr != NULL_ADDR);
#endif
new_ni.nid = dn->nid;
@@ -1137,7 +1144,7 @@ static int read_node_page(struct page *page, int op_flags)
if (PageUptodate(page))
return LOCKED_PAGE;
- get_node_info(sbi, page->index, &ni);
+ f2fs_get_node_info(sbi, page->index, &ni);
if (unlikely(ni.blk_addr == NULL_ADDR)) {
ClearPageUptodate(page);
@@ -1151,14 +1158,15 @@ static int read_node_page(struct page *page, int op_flags)
/*
* Readahead a node page
*/
-void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid)
+void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid)
{
struct page *apage;
int err;
if (!nid)
return;
- f2fs_bug_on(sbi, check_nid_range(sbi, nid));
+ if (f2fs_check_nid_range(sbi, nid))
+ return;
rcu_read_lock();
apage = radix_tree_lookup(&NODE_MAPPING(sbi)->i_pages, nid);
@@ -1182,7 +1190,8 @@ static struct page *__get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid,
if (!nid)
return ERR_PTR(-ENOENT);
- f2fs_bug_on(sbi, check_nid_range(sbi, nid));
+ if (f2fs_check_nid_range(sbi, nid))
+ return ERR_PTR(-EINVAL);
repeat:
page = f2fs_grab_cache_page(NODE_MAPPING(sbi), nid, false);
if (!page)
@@ -1198,7 +1207,7 @@ repeat:
}
if (parent)
- ra_node_pages(parent, start + 1, MAX_RA_NODE);
+ f2fs_ra_node_pages(parent, start + 1, MAX_RA_NODE);
lock_page(page);
@@ -1232,12 +1241,12 @@ out_err:
return page;
}
-struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid)
+struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid)
{
return __get_node_page(sbi, nid, NULL, 0);
}
-struct page *get_node_page_ra(struct page *parent, int start)
+struct page *f2fs_get_node_page_ra(struct page *parent, int start)
{
struct f2fs_sb_info *sbi = F2FS_P_SB(parent);
nid_t nid = get_nid(parent, start, false);
@@ -1272,7 +1281,7 @@ static void flush_inline_data(struct f2fs_sb_info *sbi, nid_t ino)
ret = f2fs_write_inline_data(inode, page);
inode_dec_dirty_pages(inode);
- remove_dirty_inode(inode);
+ f2fs_remove_dirty_inode(inode);
if (ret)
set_page_dirty(page);
page_out:
@@ -1359,11 +1368,8 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted,
trace_f2fs_writepage(page, NODE);
- if (unlikely(f2fs_cp_error(sbi))) {
- dec_page_count(sbi, F2FS_DIRTY_NODES);
- unlock_page(page);
- return 0;
- }
+ if (unlikely(f2fs_cp_error(sbi)))
+ goto redirty_out;
if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
goto redirty_out;
@@ -1379,7 +1385,7 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted,
down_read(&sbi->node_write);
}
- get_node_info(sbi, nid, &ni);
+ f2fs_get_node_info(sbi, nid, &ni);
/* This page is already truncated */
if (unlikely(ni.blk_addr == NULL_ADDR)) {
@@ -1394,8 +1400,9 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted,
fio.op_flags |= REQ_PREFLUSH | REQ_FUA;
set_page_writeback(page);
+ ClearPageError(page);
fio.old_blkaddr = ni.blk_addr;
- write_node_page(nid, &fio);
+ f2fs_do_write_node_page(nid, &fio);
set_node_addr(sbi, &ni, fio.new_blkaddr, is_fsync_dnode(page));
dec_page_count(sbi, F2FS_DIRTY_NODES);
up_read(&sbi->node_write);
@@ -1424,7 +1431,7 @@ redirty_out:
return AOP_WRITEPAGE_ACTIVATE;
}
-void move_node_page(struct page *node_page, int gc_type)
+void f2fs_move_node_page(struct page *node_page, int gc_type)
{
if (gc_type == FG_GC) {
struct writeback_control wbc = {
@@ -1461,7 +1468,7 @@ static int f2fs_write_node_page(struct page *page,
return __write_node_page(page, false, NULL, wbc, false, FS_NODE_IO);
}
-int fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
+int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
struct writeback_control *wbc, bool atomic)
{
pgoff_t index;
@@ -1528,9 +1535,9 @@ continue_unlock:
if (IS_INODE(page)) {
if (is_inode_flag_set(inode,
FI_DIRTY_INODE))
- update_inode(inode, page);
+ f2fs_update_inode(inode, page);
set_dentry_mark(page,
- need_dentry_mark(sbi, ino));
+ f2fs_need_dentry_mark(sbi, ino));
}
/* may be written by other thread */
if (!PageDirty(page))
@@ -1580,7 +1587,8 @@ out:
return ret ? -EIO: 0;
}
-int sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc,
+int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
+ struct writeback_control *wbc,
bool do_balance, enum iostat_type io_type)
{
pgoff_t index;
@@ -1588,21 +1596,28 @@ int sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc,
int step = 0;
int nwritten = 0;
int ret = 0;
- int nr_pages;
+ int nr_pages, done = 0;
pagevec_init(&pvec);
next_step:
index = 0;
- while ((nr_pages = pagevec_lookup_tag(&pvec, NODE_MAPPING(sbi), &index,
- PAGECACHE_TAG_DIRTY))) {
+ while (!done && (nr_pages = pagevec_lookup_tag(&pvec,
+ NODE_MAPPING(sbi), &index, PAGECACHE_TAG_DIRTY))) {
int i;
for (i = 0; i < nr_pages; i++) {
struct page *page = pvec.pages[i];
bool submitted = false;
+ /* give a priority to WB_SYNC threads */
+ if (atomic_read(&sbi->wb_sync_req[NODE]) &&
+ wbc->sync_mode == WB_SYNC_NONE) {
+ done = 1;
+ break;
+ }
+
/*
* flushing sequence with step:
* 0. indirect nodes
@@ -1681,7 +1696,7 @@ continue_unlock:
return ret;
}
-int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino)
+int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino)
{
pgoff_t index = 0;
struct pagevec pvec;
@@ -1730,14 +1745,21 @@ static int f2fs_write_node_pages(struct address_space *mapping,
if (get_pages(sbi, F2FS_DIRTY_NODES) < nr_pages_to_skip(sbi, NODE))
goto skip_write;
+ if (wbc->sync_mode == WB_SYNC_ALL)
+ atomic_inc(&sbi->wb_sync_req[NODE]);
+ else if (atomic_read(&sbi->wb_sync_req[NODE]))
+ goto skip_write;
+
trace_f2fs_writepages(mapping->host, wbc, NODE);
diff = nr_pages_to_write(sbi, NODE, wbc);
- wbc->sync_mode = WB_SYNC_NONE;
blk_start_plug(&plug);
- sync_node_pages(sbi, wbc, true, FS_NODE_IO);
+ f2fs_sync_node_pages(sbi, wbc, true, FS_NODE_IO);
blk_finish_plug(&plug);
wbc->nr_to_write = max((long)0, wbc->nr_to_write - diff);
+
+ if (wbc->sync_mode == WB_SYNC_ALL)
+ atomic_dec(&sbi->wb_sync_req[NODE]);
return 0;
skip_write:
@@ -1753,7 +1775,7 @@ static int f2fs_set_node_page_dirty(struct page *page)
if (!PageUptodate(page))
SetPageUptodate(page);
if (!PageDirty(page)) {
- f2fs_set_page_dirty_nobuffers(page);
+ __set_page_dirty_nobuffers(page);
inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_NODES);
SetPagePrivate(page);
f2fs_trace_pid(page);
@@ -1883,20 +1905,20 @@ static bool add_free_nid(struct f2fs_sb_info *sbi,
* Thread A Thread B
* - f2fs_create
* - f2fs_new_inode
- * - alloc_nid
+ * - f2fs_alloc_nid
* - __insert_nid_to_list(PREALLOC_NID)
* - f2fs_balance_fs_bg
- * - build_free_nids
- * - __build_free_nids
+ * - f2fs_build_free_nids
+ * - __f2fs_build_free_nids
* - scan_nat_page
* - add_free_nid
* - __lookup_nat_cache
* - f2fs_add_link
- * - init_inode_metadata
- * - new_inode_page
- * - new_node_page
+ * - f2fs_init_inode_metadata
+ * - f2fs_new_inode_page
+ * - f2fs_new_node_page
* - set_node_addr
- * - alloc_nid_done
+ * - f2fs_alloc_nid_done
* - __remove_nid_from_list(PREALLOC_NID)
* - __insert_nid_to_list(FREE_NID)
*/
@@ -2028,7 +2050,8 @@ out:
up_read(&nm_i->nat_tree_lock);
}
-static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
+static void __f2fs_build_free_nids(struct f2fs_sb_info *sbi,
+ bool sync, bool mount)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
int i = 0;
@@ -2041,7 +2064,7 @@ static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
if (nm_i->nid_cnt[FREE_NID] >= NAT_ENTRY_PER_BLOCK)
return;
- if (!sync && !available_free_memory(sbi, FREE_NIDS))
+ if (!sync && !f2fs_available_free_memory(sbi, FREE_NIDS))
return;
if (!mount) {
@@ -2053,7 +2076,7 @@ static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
}
/* readahead nat pages to be scanned */
- ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), FREE_NID_PAGES,
+ f2fs_ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), FREE_NID_PAGES,
META_NAT, true);
down_read(&nm_i->nat_tree_lock);
@@ -2083,14 +2106,14 @@ static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
up_read(&nm_i->nat_tree_lock);
- ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nm_i->next_scan_nid),
+ f2fs_ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nm_i->next_scan_nid),
nm_i->ra_nid_pages, META_NAT, false);
}
-void build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
+void f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
{
mutex_lock(&NM_I(sbi)->build_lock);
- __build_free_nids(sbi, sync, mount);
+ __f2fs_build_free_nids(sbi, sync, mount);
mutex_unlock(&NM_I(sbi)->build_lock);
}
@@ -2099,7 +2122,7 @@ void build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
* from second parameter of this function.
* The returned nid could be used ino as well as nid when inode is created.
*/
-bool alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid)
+bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct free_nid *i = NULL;
@@ -2117,8 +2140,8 @@ retry:
return false;
}
- /* We should not use stale free nids created by build_free_nids */
- if (nm_i->nid_cnt[FREE_NID] && !on_build_free_nids(nm_i)) {
+ /* We should not use stale free nids created by f2fs_build_free_nids */
+ if (nm_i->nid_cnt[FREE_NID] && !on_f2fs_build_free_nids(nm_i)) {
f2fs_bug_on(sbi, list_empty(&nm_i->free_nid_list));
i = list_first_entry(&nm_i->free_nid_list,
struct free_nid, list);
@@ -2135,14 +2158,14 @@ retry:
spin_unlock(&nm_i->nid_list_lock);
/* Let's scan nat pages and its caches to get free nids */
- build_free_nids(sbi, true, false);
+ f2fs_build_free_nids(sbi, true, false);
goto retry;
}
/*
- * alloc_nid() should be called prior to this function.
+ * f2fs_alloc_nid() should be called prior to this function.
*/
-void alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid)
+void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct free_nid *i;
@@ -2157,9 +2180,9 @@ void alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid)
}
/*
- * alloc_nid() should be called prior to this function.
+ * f2fs_alloc_nid() should be called prior to this function.
*/
-void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid)
+void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct free_nid *i;
@@ -2172,7 +2195,7 @@ void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid)
i = __lookup_free_nid_list(nm_i, nid);
f2fs_bug_on(sbi, !i);
- if (!available_free_memory(sbi, FREE_NIDS)) {
+ if (!f2fs_available_free_memory(sbi, FREE_NIDS)) {
__remove_free_nid(sbi, i, PREALLOC_NID);
need_free = true;
} else {
@@ -2189,7 +2212,7 @@ void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid)
kmem_cache_free(free_nid_slab, i);
}
-int try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink)
+int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct free_nid *i, *next;
@@ -2217,14 +2240,14 @@ int try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink)
return nr - nr_shrink;
}
-void recover_inline_xattr(struct inode *inode, struct page *page)
+void f2fs_recover_inline_xattr(struct inode *inode, struct page *page)
{
void *src_addr, *dst_addr;
size_t inline_size;
struct page *ipage;
struct f2fs_inode *ri;
- ipage = get_node_page(F2FS_I_SB(inode), inode->i_ino);
+ ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino);
f2fs_bug_on(F2FS_I_SB(inode), IS_ERR(ipage));
ri = F2FS_INODE(page);
@@ -2242,11 +2265,11 @@ void recover_inline_xattr(struct inode *inode, struct page *page)
f2fs_wait_on_page_writeback(ipage, NODE, true);
memcpy(dst_addr, src_addr, inline_size);
update_inode:
- update_inode(inode, ipage);
+ f2fs_update_inode(inode, ipage);
f2fs_put_page(ipage, 1);
}
-int recover_xattr_data(struct inode *inode, struct page *page)
+int f2fs_recover_xattr_data(struct inode *inode, struct page *page)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
nid_t prev_xnid = F2FS_I(inode)->i_xattr_nid;
@@ -2259,25 +2282,25 @@ int recover_xattr_data(struct inode *inode, struct page *page)
goto recover_xnid;
/* 1: invalidate the previous xattr nid */
- get_node_info(sbi, prev_xnid, &ni);
- invalidate_blocks(sbi, ni.blk_addr);
+ f2fs_get_node_info(sbi, prev_xnid, &ni);
+ f2fs_invalidate_blocks(sbi, ni.blk_addr);
dec_valid_node_count(sbi, inode, false);
set_node_addr(sbi, &ni, NULL_ADDR, false);
recover_xnid:
/* 2: update xattr nid in inode */
- if (!alloc_nid(sbi, &new_xnid))
+ if (!f2fs_alloc_nid(sbi, &new_xnid))
return -ENOSPC;
set_new_dnode(&dn, inode, NULL, NULL, new_xnid);
- xpage = new_node_page(&dn, XATTR_NODE_OFFSET);
+ xpage = f2fs_new_node_page(&dn, XATTR_NODE_OFFSET);
if (IS_ERR(xpage)) {
- alloc_nid_failed(sbi, new_xnid);
+ f2fs_alloc_nid_failed(sbi, new_xnid);
return PTR_ERR(xpage);
}
- alloc_nid_done(sbi, new_xnid);
- update_inode_page(inode);
+ f2fs_alloc_nid_done(sbi, new_xnid);
+ f2fs_update_inode_page(inode);
/* 3: update and set xattr node page dirty */
memcpy(F2FS_NODE(xpage), F2FS_NODE(page), VALID_XATTR_BLOCK_SIZE);
@@ -2288,14 +2311,14 @@ recover_xnid:
return 0;
}
-int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page)
+int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page)
{
struct f2fs_inode *src, *dst;
nid_t ino = ino_of_node(page);
struct node_info old_ni, new_ni;
struct page *ipage;
- get_node_info(sbi, ino, &old_ni);
+ f2fs_get_node_info(sbi, ino, &old_ni);
if (unlikely(old_ni.blk_addr != NULL_ADDR))
return -EINVAL;
@@ -2349,7 +2372,7 @@ retry:
return 0;
}
-void restore_node_summary(struct f2fs_sb_info *sbi,
+void f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
unsigned int segno, struct f2fs_summary_block *sum)
{
struct f2fs_node *rn;
@@ -2366,10 +2389,10 @@ void restore_node_summary(struct f2fs_sb_info *sbi,
nrpages = min(last_offset - i, BIO_MAX_PAGES);
/* readahead node pages */
- ra_meta_pages(sbi, addr, nrpages, META_POR, true);
+ f2fs_ra_meta_pages(sbi, addr, nrpages, META_POR, true);
for (idx = addr; idx < addr + nrpages; idx++) {
- struct page *page = get_tmp_page(sbi, idx);
+ struct page *page = f2fs_get_tmp_page(sbi, idx);
rn = F2FS_NODE(page);
sum_entry->nid = rn->footer.nid;
@@ -2511,7 +2534,7 @@ static void __flush_nat_entry_set(struct f2fs_sb_info *sbi,
f2fs_bug_on(sbi, nat_get_blkaddr(ne) == NEW_ADDR);
if (to_journal) {
- offset = lookup_journal_in_cursum(journal,
+ offset = f2fs_lookup_journal_in_cursum(journal,
NAT_JOURNAL, nid, 1);
f2fs_bug_on(sbi, offset < 0);
raw_ne = &nat_in_journal(journal, offset);
@@ -2548,7 +2571,7 @@ static void __flush_nat_entry_set(struct f2fs_sb_info *sbi,
/*
* This function is called during the checkpointing process.
*/
-void flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
+void f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
@@ -2611,7 +2634,7 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi)
nat_bits_addr = __start_cp_addr(sbi) + sbi->blocks_per_seg -
nm_i->nat_bits_blocks;
for (i = 0; i < nm_i->nat_bits_blocks; i++) {
- struct page *page = get_meta_page(sbi, nat_bits_addr++);
+ struct page *page = f2fs_get_meta_page(sbi, nat_bits_addr++);
memcpy(nm_i->nat_bits + (i << F2FS_BLKSIZE_BITS),
page_address(page), F2FS_BLKSIZE);
@@ -2754,7 +2777,7 @@ static int init_free_nid_cache(struct f2fs_sb_info *sbi)
return 0;
}
-int build_node_manager(struct f2fs_sb_info *sbi)
+int f2fs_build_node_manager(struct f2fs_sb_info *sbi)
{
int err;
@@ -2774,11 +2797,11 @@ int build_node_manager(struct f2fs_sb_info *sbi)
/* load free nid status from nat_bits table */
load_free_nid_bitmap(sbi);
- build_free_nids(sbi, true, true);
+ f2fs_build_free_nids(sbi, true, true);
return 0;
}
-void destroy_node_manager(struct f2fs_sb_info *sbi)
+void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct free_nid *i, *next_i;
@@ -2850,7 +2873,7 @@ void destroy_node_manager(struct f2fs_sb_info *sbi)
kfree(nm_i);
}
-int __init create_node_manager_caches(void)
+int __init f2fs_create_node_manager_caches(void)
{
nat_entry_slab = f2fs_kmem_cache_create("nat_entry",
sizeof(struct nat_entry));
@@ -2876,7 +2899,7 @@ fail:
return -ENOMEM;
}
-void destroy_node_manager_caches(void)
+void f2fs_destroy_node_manager_caches(void)
{
kmem_cache_destroy(nat_entry_set_slab);
kmem_cache_destroy(free_nid_slab);
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 1b23d3febe4c..38f25f0b193a 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -47,7 +47,7 @@
static struct kmem_cache *fsync_entry_slab;
-bool space_for_roll_forward(struct f2fs_sb_info *sbi)
+bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi)
{
s64 nalloc = percpu_counter_sum_positive(&sbi->alloc_valid_block_count);
@@ -162,7 +162,7 @@ retry:
goto out_put;
}
- err = acquire_orphan_inode(F2FS_I_SB(inode));
+ err = f2fs_acquire_orphan_inode(F2FS_I_SB(inode));
if (err) {
iput(einode);
goto out_put;
@@ -173,7 +173,7 @@ retry:
} else if (IS_ERR(page)) {
err = PTR_ERR(page);
} else {
- err = __f2fs_do_add_link(dir, &fname, inode,
+ err = f2fs_add_dentry(dir, &fname, inode,
inode->i_ino, inode->i_mode);
}
if (err == -ENOMEM)
@@ -204,8 +204,6 @@ static void recover_inline_flags(struct inode *inode, struct f2fs_inode *ri)
set_inode_flag(inode, FI_DATA_EXIST);
else
clear_inode_flag(inode, FI_DATA_EXIST);
- if (!(ri->i_inline & F2FS_INLINE_DOTS))
- clear_inode_flag(inode, FI_INLINE_DOTS);
}
static void recover_inode(struct inode *inode, struct page *page)
@@ -254,10 +252,10 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head,
while (1) {
struct fsync_inode_entry *entry;
- if (!is_valid_blkaddr(sbi, blkaddr, META_POR))
+ if (!f2fs_is_valid_meta_blkaddr(sbi, blkaddr, META_POR))
return 0;
- page = get_tmp_page(sbi, blkaddr);
+ page = f2fs_get_tmp_page(sbi, blkaddr);
if (!is_recoverable_dnode(page))
break;
@@ -271,7 +269,7 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head,
if (!check_only &&
IS_INODE(page) && is_dent_dnode(page)) {
- err = recover_inode_page(sbi, page);
+ err = f2fs_recover_inode_page(sbi, page);
if (err)
break;
quota_inode = true;
@@ -312,7 +310,7 @@ next:
blkaddr = next_blkaddr_of_node(page);
f2fs_put_page(page, 1);
- ra_meta_pages_cond(sbi, blkaddr);
+ f2fs_ra_meta_pages_cond(sbi, blkaddr);
}
f2fs_put_page(page, 1);
return err;
@@ -355,7 +353,7 @@ static int check_index_in_prev_nodes(struct f2fs_sb_info *sbi,
}
}
- sum_page = get_sum_page(sbi, segno);
+ sum_page = f2fs_get_sum_page(sbi, segno);
sum_node = (struct f2fs_summary_block *)page_address(sum_page);
sum = sum_node->entries[blkoff];
f2fs_put_page(sum_page, 1);
@@ -375,7 +373,7 @@ got_it:
}
/* Get the node page */
- node_page = get_node_page(sbi, nid);
+ node_page = f2fs_get_node_page(sbi, nid);
if (IS_ERR(node_page))
return PTR_ERR(node_page);
@@ -400,7 +398,8 @@ got_it:
inode = dn->inode;
}
- bidx = start_bidx_of_node(offset, inode) + le16_to_cpu(sum.ofs_in_node);
+ bidx = f2fs_start_bidx_of_node(offset, inode) +
+ le16_to_cpu(sum.ofs_in_node);
/*
* if inode page is locked, unlock temporarily, but its reference
@@ -410,11 +409,11 @@ got_it:
unlock_page(dn->inode_page);
set_new_dnode(&tdn, inode, NULL, NULL, 0);
- if (get_dnode_of_data(&tdn, bidx, LOOKUP_NODE))
+ if (f2fs_get_dnode_of_data(&tdn, bidx, LOOKUP_NODE))
goto out;
if (tdn.data_blkaddr == blkaddr)
- truncate_data_blocks_range(&tdn, 1);
+ f2fs_truncate_data_blocks_range(&tdn, 1);
f2fs_put_dnode(&tdn);
out:
@@ -427,7 +426,7 @@ out:
truncate_out:
if (datablock_addr(tdn.inode, tdn.node_page,
tdn.ofs_in_node) == blkaddr)
- truncate_data_blocks_range(&tdn, 1);
+ f2fs_truncate_data_blocks_range(&tdn, 1);
if (dn->inode->i_ino == nid && !dn->inode_page_locked)
unlock_page(dn->inode_page);
return 0;
@@ -443,25 +442,25 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
/* step 1: recover xattr */
if (IS_INODE(page)) {
- recover_inline_xattr(inode, page);
+ f2fs_recover_inline_xattr(inode, page);
} else if (f2fs_has_xattr_block(ofs_of_node(page))) {
- err = recover_xattr_data(inode, page);
+ err = f2fs_recover_xattr_data(inode, page);
if (!err)
recovered++;
goto out;
}
/* step 2: recover inline data */
- if (recover_inline_data(inode, page))
+ if (f2fs_recover_inline_data(inode, page))
goto out;
/* step 3: recover data indices */
- start = start_bidx_of_node(ofs_of_node(page), inode);
+ start = f2fs_start_bidx_of_node(ofs_of_node(page), inode);
end = start + ADDRS_PER_PAGE(page, inode);
set_new_dnode(&dn, inode, NULL, NULL, 0);
retry_dn:
- err = get_dnode_of_data(&dn, start, ALLOC_NODE);
+ err = f2fs_get_dnode_of_data(&dn, start, ALLOC_NODE);
if (err) {
if (err == -ENOMEM) {
congestion_wait(BLK_RW_ASYNC, HZ/50);
@@ -472,7 +471,7 @@ retry_dn:
f2fs_wait_on_page_writeback(dn.node_page, NODE, true);
- get_node_info(sbi, dn.nid, &ni);
+ f2fs_get_node_info(sbi, dn.nid, &ni);
f2fs_bug_on(sbi, ni.ino != ino_of_node(page));
f2fs_bug_on(sbi, ofs_of_node(dn.node_page) != ofs_of_node(page));
@@ -488,7 +487,7 @@ retry_dn:
/* dest is invalid, just invalidate src block */
if (dest == NULL_ADDR) {
- truncate_data_blocks_range(&dn, 1);
+ f2fs_truncate_data_blocks_range(&dn, 1);
continue;
}
@@ -502,19 +501,19 @@ retry_dn:
* and then reserve one new block in dnode page.
*/
if (dest == NEW_ADDR) {
- truncate_data_blocks_range(&dn, 1);
- reserve_new_block(&dn);
+ f2fs_truncate_data_blocks_range(&dn, 1);
+ f2fs_reserve_new_block(&dn);
continue;
}
/* dest is valid block, try to recover from src to dest */
- if (is_valid_blkaddr(sbi, dest, META_POR)) {
+ if (f2fs_is_valid_meta_blkaddr(sbi, dest, META_POR)) {
if (src == NULL_ADDR) {
- err = reserve_new_block(&dn);
+ err = f2fs_reserve_new_block(&dn);
#ifdef CONFIG_F2FS_FAULT_INJECTION
while (err)
- err = reserve_new_block(&dn);
+ err = f2fs_reserve_new_block(&dn);
#endif
/* We should not get -ENOSPC */
f2fs_bug_on(sbi, err);
@@ -569,12 +568,12 @@ static int recover_data(struct f2fs_sb_info *sbi, struct list_head *inode_list,
while (1) {
struct fsync_inode_entry *entry;
- if (!is_valid_blkaddr(sbi, blkaddr, META_POR))
+ if (!f2fs_is_valid_meta_blkaddr(sbi, blkaddr, META_POR))
break;
- ra_meta_pages_cond(sbi, blkaddr);
+ f2fs_ra_meta_pages_cond(sbi, blkaddr);
- page = get_tmp_page(sbi, blkaddr);
+ page = f2fs_get_tmp_page(sbi, blkaddr);
if (!is_recoverable_dnode(page)) {
f2fs_put_page(page, 1);
@@ -612,11 +611,11 @@ next:
f2fs_put_page(page, 1);
}
if (!err)
- allocate_new_segments(sbi);
+ f2fs_allocate_new_segments(sbi);
return err;
}
-int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
+int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
{
struct list_head inode_list;
struct list_head dir_list;
@@ -691,7 +690,7 @@ skip:
struct cp_control cpc = {
.reason = CP_RECOVERY,
};
- err = write_checkpoint(sbi, &cpc);
+ err = f2fs_write_checkpoint(sbi, &cpc);
}
kmem_cache_destroy(fsync_entry_slab);
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 5854cc4e1d67..6dbdf2c48fba 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -169,7 +169,7 @@ found:
return result - size + __reverse_ffz(tmp);
}
-bool need_SSR(struct f2fs_sb_info *sbi)
+bool f2fs_need_SSR(struct f2fs_sb_info *sbi)
{
int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES);
int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS);
@@ -177,14 +177,14 @@ bool need_SSR(struct f2fs_sb_info *sbi)
if (test_opt(sbi, LFS))
return false;
- if (sbi->gc_thread && sbi->gc_thread->gc_urgent)
+ if (sbi->gc_mode == GC_URGENT)
return true;
return free_sections(sbi) <= (node_secs + 2 * dent_secs + imeta_secs +
SM_I(sbi)->min_ssr_sections + reserved_sections(sbi));
}
-void register_inmem_page(struct inode *inode, struct page *page)
+void f2fs_register_inmem_page(struct inode *inode, struct page *page)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode_info *fi = F2FS_I(inode);
@@ -230,6 +230,8 @@ static int __revoke_inmem_pages(struct inode *inode,
lock_page(page);
+ f2fs_wait_on_page_writeback(page, DATA, true);
+
if (recover) {
struct dnode_of_data dn;
struct node_info ni;
@@ -237,7 +239,8 @@ static int __revoke_inmem_pages(struct inode *inode,
trace_f2fs_commit_inmem_page(page, INMEM_REVOKE);
retry:
set_new_dnode(&dn, inode, NULL, NULL, 0);
- err = get_dnode_of_data(&dn, page->index, LOOKUP_NODE);
+ err = f2fs_get_dnode_of_data(&dn, page->index,
+ LOOKUP_NODE);
if (err) {
if (err == -ENOMEM) {
congestion_wait(BLK_RW_ASYNC, HZ/50);
@@ -247,9 +250,9 @@ retry:
err = -EAGAIN;
goto next;
}
- get_node_info(sbi, dn.nid, &ni);
+ f2fs_get_node_info(sbi, dn.nid, &ni);
if (cur->old_addr == NEW_ADDR) {
- invalidate_blocks(sbi, dn.data_blkaddr);
+ f2fs_invalidate_blocks(sbi, dn.data_blkaddr);
f2fs_update_data_blkaddr(&dn, NEW_ADDR);
} else
f2fs_replace_block(sbi, &dn, dn.data_blkaddr,
@@ -271,7 +274,7 @@ next:
return err;
}
-void drop_inmem_pages_all(struct f2fs_sb_info *sbi)
+void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure)
{
struct list_head *head = &sbi->inode_list[ATOMIC_FILE];
struct inode *inode;
@@ -287,15 +290,23 @@ next:
spin_unlock(&sbi->inode_lock[ATOMIC_FILE]);
if (inode) {
- drop_inmem_pages(inode);
+ if (gc_failure) {
+ if (fi->i_gc_failures[GC_FAILURE_ATOMIC])
+ goto drop;
+ goto skip;
+ }
+drop:
+ set_inode_flag(inode, FI_ATOMIC_REVOKE_REQUEST);
+ f2fs_drop_inmem_pages(inode);
iput(inode);
}
+skip:
congestion_wait(BLK_RW_ASYNC, HZ/50);
cond_resched();
goto next;
}
-void drop_inmem_pages(struct inode *inode)
+void f2fs_drop_inmem_pages(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode_info *fi = F2FS_I(inode);
@@ -309,11 +320,11 @@ void drop_inmem_pages(struct inode *inode)
mutex_unlock(&fi->inmem_lock);
clear_inode_flag(inode, FI_ATOMIC_FILE);
- clear_inode_flag(inode, FI_HOT_DATA);
+ fi->i_gc_failures[GC_FAILURE_ATOMIC] = 0;
stat_dec_atomic_write(inode);
}
-void drop_inmem_page(struct inode *inode, struct page *page)
+void f2fs_drop_inmem_page(struct inode *inode, struct page *page)
{
struct f2fs_inode_info *fi = F2FS_I(inode);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
@@ -328,7 +339,7 @@ void drop_inmem_page(struct inode *inode, struct page *page)
break;
}
- f2fs_bug_on(sbi, !cur || cur->page != page);
+ f2fs_bug_on(sbi, list_empty(head) || cur->page != page);
list_del(&cur->list);
mutex_unlock(&fi->inmem_lock);
@@ -343,8 +354,7 @@ void drop_inmem_page(struct inode *inode, struct page *page)
trace_f2fs_commit_inmem_page(page, INMEM_INVALIDATE);
}
-static int __commit_inmem_pages(struct inode *inode,
- struct list_head *revoke_list)
+static int __f2fs_commit_inmem_pages(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode_info *fi = F2FS_I(inode);
@@ -357,9 +367,12 @@ static int __commit_inmem_pages(struct inode *inode,
.op_flags = REQ_SYNC | REQ_PRIO,
.io_type = FS_DATA_IO,
};
+ struct list_head revoke_list;
pgoff_t last_idx = ULONG_MAX;
int err = 0;
+ INIT_LIST_HEAD(&revoke_list);
+
list_for_each_entry_safe(cur, tmp, &fi->inmem_pages, list) {
struct page *page = cur->page;
@@ -371,14 +384,14 @@ static int __commit_inmem_pages(struct inode *inode,
f2fs_wait_on_page_writeback(page, DATA, true);
if (clear_page_dirty_for_io(page)) {
inode_dec_dirty_pages(inode);
- remove_dirty_inode(inode);
+ f2fs_remove_dirty_inode(inode);
}
retry:
fio.page = page;
fio.old_blkaddr = NULL_ADDR;
fio.encrypted_page = NULL;
fio.need_lock = LOCK_DONE;
- err = do_write_data_page(&fio);
+ err = f2fs_do_write_data_page(&fio);
if (err) {
if (err == -ENOMEM) {
congestion_wait(BLK_RW_ASYNC, HZ/50);
@@ -393,50 +406,46 @@ retry:
last_idx = page->index;
}
unlock_page(page);
- list_move_tail(&cur->list, revoke_list);
+ list_move_tail(&cur->list, &revoke_list);
}
if (last_idx != ULONG_MAX)
f2fs_submit_merged_write_cond(sbi, inode, 0, last_idx, DATA);
- if (!err)
- __revoke_inmem_pages(inode, revoke_list, false, false);
+ if (err) {
+ /*
+ * try to revoke all committed pages, but still we could fail
+ * due to no memory or other reason, if that happened, EAGAIN
+ * will be returned, which means in such case, transaction is
+ * already not integrity, caller should use journal to do the
+ * recovery or rewrite & commit last transaction. For other
+ * error number, revoking was done by filesystem itself.
+ */
+ err = __revoke_inmem_pages(inode, &revoke_list, false, true);
+
+ /* drop all uncommitted pages */
+ __revoke_inmem_pages(inode, &fi->inmem_pages, true, false);
+ } else {
+ __revoke_inmem_pages(inode, &revoke_list, false, false);
+ }
return err;
}
-int commit_inmem_pages(struct inode *inode)
+int f2fs_commit_inmem_pages(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode_info *fi = F2FS_I(inode);
- struct list_head revoke_list;
int err;
- INIT_LIST_HEAD(&revoke_list);
f2fs_balance_fs(sbi, true);
f2fs_lock_op(sbi);
set_inode_flag(inode, FI_ATOMIC_COMMIT);
mutex_lock(&fi->inmem_lock);
- err = __commit_inmem_pages(inode, &revoke_list);
- if (err) {
- int ret;
- /*
- * try to revoke all committed pages, but still we could fail
- * due to no memory or other reason, if that happened, EAGAIN
- * will be returned, which means in such case, transaction is
- * already not integrity, caller should use journal to do the
- * recovery or rewrite & commit last transaction. For other
- * error number, revoking was done by filesystem itself.
- */
- ret = __revoke_inmem_pages(inode, &revoke_list, false, true);
- if (ret)
- err = ret;
+ err = __f2fs_commit_inmem_pages(inode);
- /* drop all uncommitted pages */
- __revoke_inmem_pages(inode, &fi->inmem_pages, true, false);
- }
spin_lock(&sbi->inode_lock[ATOMIC_FILE]);
if (!list_empty(&fi->inmem_ilist))
list_del_init(&fi->inmem_ilist);
@@ -478,25 +487,28 @@ void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need)
void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)
{
+ if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
+ return;
+
/* try to shrink extent cache when there is no enough memory */
- if (!available_free_memory(sbi, EXTENT_CACHE))
+ if (!f2fs_available_free_memory(sbi, EXTENT_CACHE))
f2fs_shrink_extent_tree(sbi, EXTENT_CACHE_SHRINK_NUMBER);
/* check the # of cached NAT entries */
- if (!available_free_memory(sbi, NAT_ENTRIES))
- try_to_free_nats(sbi, NAT_ENTRY_PER_BLOCK);
+ if (!f2fs_available_free_memory(sbi, NAT_ENTRIES))
+ f2fs_try_to_free_nats(sbi, NAT_ENTRY_PER_BLOCK);
- if (!available_free_memory(sbi, FREE_NIDS))
- try_to_free_nids(sbi, MAX_FREE_NIDS);
+ if (!f2fs_available_free_memory(sbi, FREE_NIDS))
+ f2fs_try_to_free_nids(sbi, MAX_FREE_NIDS);
else
- build_free_nids(sbi, false, false);
+ f2fs_build_free_nids(sbi, false, false);
if (!is_idle(sbi) && !excess_dirty_nats(sbi))
return;
/* checkpoint is the only way to shrink partial cached entries */
- if (!available_free_memory(sbi, NAT_ENTRIES) ||
- !available_free_memory(sbi, INO_ENTRIES) ||
+ if (!f2fs_available_free_memory(sbi, NAT_ENTRIES) ||
+ !f2fs_available_free_memory(sbi, INO_ENTRIES) ||
excess_prefree_segs(sbi) ||
excess_dirty_nats(sbi) ||
f2fs_time_over(sbi, CP_TIME)) {
@@ -504,7 +516,7 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)
struct blk_plug plug;
blk_start_plug(&plug);
- sync_dirty_inodes(sbi, FILE_INODE);
+ f2fs_sync_dirty_inodes(sbi, FILE_INODE);
blk_finish_plug(&plug);
}
f2fs_sync_fs(sbi->sb, true);
@@ -537,7 +549,7 @@ static int submit_flush_wait(struct f2fs_sb_info *sbi, nid_t ino)
return __submit_flush_wait(sbi, sbi->sb->s_bdev);
for (i = 0; i < sbi->s_ndevs; i++) {
- if (!is_dirty_device(sbi, ino, i, FLUSH_INO))
+ if (!f2fs_is_dirty_device(sbi, ino, i, FLUSH_INO))
continue;
ret = __submit_flush_wait(sbi, FDEV(i).bdev);
if (ret)
@@ -648,7 +660,7 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino)
return cmd.ret;
}
-int create_flush_cmd_control(struct f2fs_sb_info *sbi)
+int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi)
{
dev_t dev = sbi->sb->s_bdev->bd_dev;
struct flush_cmd_control *fcc;
@@ -685,7 +697,7 @@ init_thread:
return err;
}
-void destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free)
+void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free)
{
struct flush_cmd_control *fcc = SM_I(sbi)->fcc_info;
@@ -915,6 +927,42 @@ static void __check_sit_bitmap(struct f2fs_sb_info *sbi,
#endif
}
+static void __init_discard_policy(struct f2fs_sb_info *sbi,
+ struct discard_policy *dpolicy,
+ int discard_type, unsigned int granularity)
+{
+ /* common policy */
+ dpolicy->type = discard_type;
+ dpolicy->sync = true;
+ dpolicy->granularity = granularity;
+
+ dpolicy->max_requests = DEF_MAX_DISCARD_REQUEST;
+ dpolicy->io_aware_gran = MAX_PLIST_NUM;
+
+ if (discard_type == DPOLICY_BG) {
+ dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;
+ dpolicy->mid_interval = DEF_MID_DISCARD_ISSUE_TIME;
+ dpolicy->max_interval = DEF_MAX_DISCARD_ISSUE_TIME;
+ dpolicy->io_aware = true;
+ dpolicy->sync = false;
+ if (utilization(sbi) > DEF_DISCARD_URGENT_UTIL) {
+ dpolicy->granularity = 1;
+ dpolicy->max_interval = DEF_MIN_DISCARD_ISSUE_TIME;
+ }
+ } else if (discard_type == DPOLICY_FORCE) {
+ dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;
+ dpolicy->mid_interval = DEF_MID_DISCARD_ISSUE_TIME;
+ dpolicy->max_interval = DEF_MAX_DISCARD_ISSUE_TIME;
+ dpolicy->io_aware = false;
+ } else if (discard_type == DPOLICY_FSTRIM) {
+ dpolicy->io_aware = false;
+ } else if (discard_type == DPOLICY_UMOUNT) {
+ dpolicy->max_requests = UINT_MAX;
+ dpolicy->io_aware = false;
+ }
+}
+
+
/* this function is copied from blkdev_issue_discard from block/blk-lib.c */
static void __submit_discard_cmd(struct f2fs_sb_info *sbi,
struct discard_policy *dpolicy,
@@ -929,6 +977,9 @@ static void __submit_discard_cmd(struct f2fs_sb_info *sbi,
if (dc->state != D_PREP)
return;
+ if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
+ return;
+
trace_f2fs_issue_discard(dc->bdev, dc->start, dc->len);
dc->error = __blkdev_issue_discard(dc->bdev,
@@ -972,7 +1023,7 @@ static struct discard_cmd *__insert_discard_tree(struct f2fs_sb_info *sbi,
goto do_insert;
}
- p = __lookup_rb_tree_for_insert(sbi, &dcc->root, &parent, lstart);
+ p = f2fs_lookup_rb_tree_for_insert(sbi, &dcc->root, &parent, lstart);
do_insert:
dc = __attach_discard_cmd(sbi, bdev, lstart, start, len, parent, p);
if (!dc)
@@ -1037,7 +1088,7 @@ static void __update_discard_tree_range(struct f2fs_sb_info *sbi,
mutex_lock(&dcc->cmd_lock);
- dc = (struct discard_cmd *)__lookup_rb_tree_ret(&dcc->root,
+ dc = (struct discard_cmd *)f2fs_lookup_rb_tree_ret(&dcc->root,
NULL, lstart,
(struct rb_entry **)&prev_dc,
(struct rb_entry **)&next_dc,
@@ -1130,68 +1181,6 @@ static int __queue_discard_cmd(struct f2fs_sb_info *sbi,
return 0;
}
-static void __issue_discard_cmd_range(struct f2fs_sb_info *sbi,
- struct discard_policy *dpolicy,
- unsigned int start, unsigned int end)
-{
- struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
- struct discard_cmd *prev_dc = NULL, *next_dc = NULL;
- struct rb_node **insert_p = NULL, *insert_parent = NULL;
- struct discard_cmd *dc;
- struct blk_plug plug;
- int issued;
-
-next:
- issued = 0;
-
- mutex_lock(&dcc->cmd_lock);
- f2fs_bug_on(sbi, !__check_rb_tree_consistence(sbi, &dcc->root));
-
- dc = (struct discard_cmd *)__lookup_rb_tree_ret(&dcc->root,
- NULL, start,
- (struct rb_entry **)&prev_dc,
- (struct rb_entry **)&next_dc,
- &insert_p, &insert_parent, true);
- if (!dc)
- dc = next_dc;
-
- blk_start_plug(&plug);
-
- while (dc && dc->lstart <= end) {
- struct rb_node *node;
-
- if (dc->len < dpolicy->granularity)
- goto skip;
-
- if (dc->state != D_PREP) {
- list_move_tail(&dc->list, &dcc->fstrim_list);
- goto skip;
- }
-
- __submit_discard_cmd(sbi, dpolicy, dc);
-
- if (++issued >= dpolicy->max_requests) {
- start = dc->lstart + dc->len;
-
- blk_finish_plug(&plug);
- mutex_unlock(&dcc->cmd_lock);
-
- schedule();
-
- goto next;
- }
-skip:
- node = rb_next(&dc->rb_node);
- dc = rb_entry_safe(node, struct discard_cmd, rb_node);
-
- if (fatal_signal_pending(current))
- break;
- }
-
- blk_finish_plug(&plug);
- mutex_unlock(&dcc->cmd_lock);
-}
-
static int __issue_discard_cmd(struct f2fs_sb_info *sbi,
struct discard_policy *dpolicy)
{
@@ -1210,7 +1199,8 @@ static int __issue_discard_cmd(struct f2fs_sb_info *sbi,
mutex_lock(&dcc->cmd_lock);
if (list_empty(pend_list))
goto next;
- f2fs_bug_on(sbi, !__check_rb_tree_consistence(sbi, &dcc->root));
+ f2fs_bug_on(sbi,
+ !f2fs_check_rb_tree_consistence(sbi, &dcc->root));
blk_start_plug(&plug);
list_for_each_entry_safe(dc, tmp, pend_list, list) {
f2fs_bug_on(sbi, dc->state != D_PREP);
@@ -1263,7 +1253,7 @@ static bool __drop_discard_cmd(struct f2fs_sb_info *sbi)
return dropped;
}
-void drop_discard_cmd(struct f2fs_sb_info *sbi)
+void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi)
{
__drop_discard_cmd(sbi);
}
@@ -1332,7 +1322,18 @@ next:
static void __wait_all_discard_cmd(struct f2fs_sb_info *sbi,
struct discard_policy *dpolicy)
{
- __wait_discard_cmd_range(sbi, dpolicy, 0, UINT_MAX);
+ struct discard_policy dp;
+
+ if (dpolicy) {
+ __wait_discard_cmd_range(sbi, dpolicy, 0, UINT_MAX);
+ return;
+ }
+
+ /* wait all */
+ __init_discard_policy(sbi, &dp, DPOLICY_FSTRIM, 1);
+ __wait_discard_cmd_range(sbi, &dp, 0, UINT_MAX);
+ __init_discard_policy(sbi, &dp, DPOLICY_UMOUNT, 1);
+ __wait_discard_cmd_range(sbi, &dp, 0, UINT_MAX);
}
/* This should be covered by global mutex, &sit_i->sentry_lock */
@@ -1343,7 +1344,8 @@ static void f2fs_wait_discard_bio(struct f2fs_sb_info *sbi, block_t blkaddr)
bool need_wait = false;
mutex_lock(&dcc->cmd_lock);
- dc = (struct discard_cmd *)__lookup_rb_tree(&dcc->root, NULL, blkaddr);
+ dc = (struct discard_cmd *)f2fs_lookup_rb_tree(&dcc->root,
+ NULL, blkaddr);
if (dc) {
if (dc->state == D_PREP) {
__punch_discard_cmd(sbi, dc, blkaddr);
@@ -1358,7 +1360,7 @@ static void f2fs_wait_discard_bio(struct f2fs_sb_info *sbi, block_t blkaddr)
__wait_one_discard_bio(sbi, dc);
}
-void stop_discard_thread(struct f2fs_sb_info *sbi)
+void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi)
{
struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
@@ -1377,11 +1379,13 @@ bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi)
struct discard_policy dpolicy;
bool dropped;
- init_discard_policy(&dpolicy, DPOLICY_UMOUNT, dcc->discard_granularity);
+ __init_discard_policy(sbi, &dpolicy, DPOLICY_UMOUNT,
+ dcc->discard_granularity);
__issue_discard_cmd(sbi, &dpolicy);
dropped = __drop_discard_cmd(sbi);
- __wait_all_discard_cmd(sbi, &dpolicy);
+ /* just to make sure there is no pending discard commands */
+ __wait_all_discard_cmd(sbi, NULL);
return dropped;
}
@@ -1397,32 +1401,39 @@ static int issue_discard_thread(void *data)
set_freezable();
do {
- init_discard_policy(&dpolicy, DPOLICY_BG,
+ __init_discard_policy(sbi, &dpolicy, DPOLICY_BG,
dcc->discard_granularity);
wait_event_interruptible_timeout(*q,
kthread_should_stop() || freezing(current) ||
dcc->discard_wake,
msecs_to_jiffies(wait_ms));
+
+ if (dcc->discard_wake)
+ dcc->discard_wake = 0;
+
if (try_to_freeze())
continue;
if (f2fs_readonly(sbi->sb))
continue;
if (kthread_should_stop())
return 0;
+ if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) {
+ wait_ms = dpolicy.max_interval;
+ continue;
+ }
- if (dcc->discard_wake)
- dcc->discard_wake = 0;
-
- if (sbi->gc_thread && sbi->gc_thread->gc_urgent)
- init_discard_policy(&dpolicy, DPOLICY_FORCE, 1);
+ if (sbi->gc_mode == GC_URGENT)
+ __init_discard_policy(sbi, &dpolicy, DPOLICY_FORCE, 1);
sb_start_intwrite(sbi->sb);
issued = __issue_discard_cmd(sbi, &dpolicy);
- if (issued) {
+ if (issued > 0) {
__wait_all_discard_cmd(sbi, &dpolicy);
wait_ms = dpolicy.min_interval;
+ } else if (issued == -1){
+ wait_ms = dpolicy.mid_interval;
} else {
wait_ms = dpolicy.max_interval;
}
@@ -1591,20 +1602,24 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
return false;
}
-void release_discard_addrs(struct f2fs_sb_info *sbi)
+static void release_discard_addr(struct discard_entry *entry)
+{
+ list_del(&entry->list);
+ kmem_cache_free(discard_entry_slab, entry);
+}
+
+void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi)
{
struct list_head *head = &(SM_I(sbi)->dcc_info->entry_list);
struct discard_entry *entry, *this;
/* drop caches */
- list_for_each_entry_safe(entry, this, head, list) {
- list_del(&entry->list);
- kmem_cache_free(discard_entry_slab, entry);
- }
+ list_for_each_entry_safe(entry, this, head, list)
+ release_discard_addr(entry);
}
/*
- * Should call clear_prefree_segments after checkpoint is done.
+ * Should call f2fs_clear_prefree_segments after checkpoint is done.
*/
static void set_prefree_as_free_segments(struct f2fs_sb_info *sbi)
{
@@ -1617,7 +1632,8 @@ static void set_prefree_as_free_segments(struct f2fs_sb_info *sbi)
mutex_unlock(&dirty_i->seglist_lock);
}
-void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc)
+void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
+ struct cp_control *cpc)
{
struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
struct list_head *head = &dcc->entry_list;
@@ -1700,40 +1716,13 @@ skip:
if (cur_pos < sbi->blocks_per_seg)
goto find_next;
- list_del(&entry->list);
+ release_discard_addr(entry);
dcc->nr_discards -= total_len;
- kmem_cache_free(discard_entry_slab, entry);
}
wake_up_discard_thread(sbi, false);
}
-void init_discard_policy(struct discard_policy *dpolicy,
- int discard_type, unsigned int granularity)
-{
- /* common policy */
- dpolicy->type = discard_type;
- dpolicy->sync = true;
- dpolicy->granularity = granularity;
-
- dpolicy->max_requests = DEF_MAX_DISCARD_REQUEST;
- dpolicy->io_aware_gran = MAX_PLIST_NUM;
-
- if (discard_type == DPOLICY_BG) {
- dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;
- dpolicy->max_interval = DEF_MAX_DISCARD_ISSUE_TIME;
- dpolicy->io_aware = true;
- } else if (discard_type == DPOLICY_FORCE) {
- dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;
- dpolicy->max_interval = DEF_MAX_DISCARD_ISSUE_TIME;
- dpolicy->io_aware = false;
- } else if (discard_type == DPOLICY_FSTRIM) {
- dpolicy->io_aware = false;
- } else if (discard_type == DPOLICY_UMOUNT) {
- dpolicy->io_aware = false;
- }
-}
-
static int create_discard_cmd_control(struct f2fs_sb_info *sbi)
{
dev_t dev = sbi->sb->s_bdev->bd_dev;
@@ -1786,7 +1775,7 @@ static void destroy_discard_cmd_control(struct f2fs_sb_info *sbi)
if (!dcc)
return;
- stop_discard_thread(sbi);
+ f2fs_stop_discard_thread(sbi);
kfree(dcc);
SM_I(sbi)->dcc_info = NULL;
@@ -1833,8 +1822,9 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
(new_vblocks > sbi->blocks_per_seg)));
se->valid_blocks = new_vblocks;
- se->mtime = get_mtime(sbi);
- SIT_I(sbi)->max_mtime = se->mtime;
+ se->mtime = get_mtime(sbi, false);
+ if (se->mtime > SIT_I(sbi)->max_mtime)
+ SIT_I(sbi)->max_mtime = se->mtime;
/* Update valid block bitmap */
if (del > 0) {
@@ -1902,7 +1892,7 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
get_sec_entry(sbi, segno)->valid_blocks += del;
}
-void invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr)
+void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr)
{
unsigned int segno = GET_SEGNO(sbi, addr);
struct sit_info *sit_i = SIT_I(sbi);
@@ -1922,14 +1912,14 @@ void invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr)
up_write(&sit_i->sentry_lock);
}
-bool is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr)
+bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr)
{
struct sit_info *sit_i = SIT_I(sbi);
unsigned int segno, offset;
struct seg_entry *se;
bool is_cp = false;
- if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR)
+ if (!is_valid_blkaddr(blkaddr))
return true;
down_read(&sit_i->sentry_lock);
@@ -1961,7 +1951,7 @@ static void __add_sum_entry(struct f2fs_sb_info *sbi, int type,
/*
* Calculate the number of current summary pages for writing
*/
-int npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra)
+int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra)
{
int valid_sum_count = 0;
int i, sum_in_page;
@@ -1991,14 +1981,15 @@ int npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra)
/*
* Caller should put this summary page
*/
-struct page *get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno)
+struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno)
{
- return get_meta_page(sbi, GET_SUM_BLOCK(sbi, segno));
+ return f2fs_get_meta_page(sbi, GET_SUM_BLOCK(sbi, segno));
}
-void update_meta_page(struct f2fs_sb_info *sbi, void *src, block_t blk_addr)
+void f2fs_update_meta_page(struct f2fs_sb_info *sbi,
+ void *src, block_t blk_addr)
{
- struct page *page = grab_meta_page(sbi, blk_addr);
+ struct page *page = f2fs_grab_meta_page(sbi, blk_addr);
memcpy(page_address(page), src, PAGE_SIZE);
set_page_dirty(page);
@@ -2008,18 +1999,19 @@ void update_meta_page(struct f2fs_sb_info *sbi, void *src, block_t blk_addr)
static void write_sum_page(struct f2fs_sb_info *sbi,
struct f2fs_summary_block *sum_blk, block_t blk_addr)
{
- update_meta_page(sbi, (void *)sum_blk, blk_addr);
+ f2fs_update_meta_page(sbi, (void *)sum_blk, blk_addr);
}
static void write_current_sum_page(struct f2fs_sb_info *sbi,
int type, block_t blk_addr)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
- struct page *page = grab_meta_page(sbi, blk_addr);
+ struct page *page = f2fs_grab_meta_page(sbi, blk_addr);
struct f2fs_summary_block *src = curseg->sum_blk;
struct f2fs_summary_block *dst;
dst = (struct f2fs_summary_block *)page_address(page);
+ memset(dst, 0, PAGE_SIZE);
mutex_lock(&curseg->curseg_mutex);
@@ -2259,7 +2251,7 @@ static void change_curseg(struct f2fs_sb_info *sbi, int type)
curseg->alloc_type = SSR;
__next_free_blkoff(sbi, curseg, 0);
- sum_page = get_sum_page(sbi, new_segno);
+ sum_page = f2fs_get_sum_page(sbi, new_segno);
sum_node = (struct f2fs_summary_block *)page_address(sum_page);
memcpy(curseg->sum_blk, sum_node, SUM_ENTRY_SIZE);
f2fs_put_page(sum_page, 1);
@@ -2273,7 +2265,7 @@ static int get_ssr_segment(struct f2fs_sb_info *sbi, int type)
int i, cnt;
bool reversed = false;
- /* need_SSR() already forces to do this */
+ /* f2fs_need_SSR() already forces to do this */
if (v_ops->get_victim(sbi, &segno, BG_GC, type, SSR)) {
curseg->next_segno = segno;
return 1;
@@ -2325,7 +2317,7 @@ static void allocate_segment_by_default(struct f2fs_sb_info *sbi,
new_curseg(sbi, type, false);
else if (curseg->alloc_type == LFS && is_next_segment_free(sbi, type))
new_curseg(sbi, type, false);
- else if (need_SSR(sbi) && get_ssr_segment(sbi, type))
+ else if (f2fs_need_SSR(sbi) && get_ssr_segment(sbi, type))
change_curseg(sbi, type);
else
new_curseg(sbi, type, false);
@@ -2333,7 +2325,7 @@ static void allocate_segment_by_default(struct f2fs_sb_info *sbi,
stat_inc_seg_type(sbi, curseg);
}
-void allocate_new_segments(struct f2fs_sb_info *sbi)
+void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi)
{
struct curseg_info *curseg;
unsigned int old_segno;
@@ -2355,7 +2347,8 @@ static const struct segment_allocation default_salloc_ops = {
.allocate_segment = allocate_segment_by_default,
};
-bool exist_trim_candidates(struct f2fs_sb_info *sbi, struct cp_control *cpc)
+bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
+ struct cp_control *cpc)
{
__u64 trim_start = cpc->trim_start;
bool has_candidate = false;
@@ -2373,11 +2366,72 @@ bool exist_trim_candidates(struct f2fs_sb_info *sbi, struct cp_control *cpc)
return has_candidate;
}
+static void __issue_discard_cmd_range(struct f2fs_sb_info *sbi,
+ struct discard_policy *dpolicy,
+ unsigned int start, unsigned int end)
+{
+ struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
+ struct discard_cmd *prev_dc = NULL, *next_dc = NULL;
+ struct rb_node **insert_p = NULL, *insert_parent = NULL;
+ struct discard_cmd *dc;
+ struct blk_plug plug;
+ int issued;
+
+next:
+ issued = 0;
+
+ mutex_lock(&dcc->cmd_lock);
+ f2fs_bug_on(sbi, !f2fs_check_rb_tree_consistence(sbi, &dcc->root));
+
+ dc = (struct discard_cmd *)f2fs_lookup_rb_tree_ret(&dcc->root,
+ NULL, start,
+ (struct rb_entry **)&prev_dc,
+ (struct rb_entry **)&next_dc,
+ &insert_p, &insert_parent, true);
+ if (!dc)
+ dc = next_dc;
+
+ blk_start_plug(&plug);
+
+ while (dc && dc->lstart <= end) {
+ struct rb_node *node;
+
+ if (dc->len < dpolicy->granularity)
+ goto skip;
+
+ if (dc->state != D_PREP) {
+ list_move_tail(&dc->list, &dcc->fstrim_list);
+ goto skip;
+ }
+
+ __submit_discard_cmd(sbi, dpolicy, dc);
+
+ if (++issued >= dpolicy->max_requests) {
+ start = dc->lstart + dc->len;
+
+ blk_finish_plug(&plug);
+ mutex_unlock(&dcc->cmd_lock);
+ __wait_all_discard_cmd(sbi, NULL);
+ congestion_wait(BLK_RW_ASYNC, HZ/50);
+ goto next;
+ }
+skip:
+ node = rb_next(&dc->rb_node);
+ dc = rb_entry_safe(node, struct discard_cmd, rb_node);
+
+ if (fatal_signal_pending(current))
+ break;
+ }
+
+ blk_finish_plug(&plug);
+ mutex_unlock(&dcc->cmd_lock);
+}
+
int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
{
__u64 start = F2FS_BYTES_TO_BLK(range->start);
__u64 end = start + F2FS_BYTES_TO_BLK(range->len) - 1;
- unsigned int start_segno, end_segno, cur_segno;
+ unsigned int start_segno, end_segno;
block_t start_block, end_block;
struct cp_control cpc;
struct discard_policy dpolicy;
@@ -2388,12 +2442,12 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
return -EINVAL;
if (end <= MAIN_BLKADDR(sbi))
- goto out;
+ return -EINVAL;
if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) {
f2fs_msg(sbi->sb, KERN_WARNING,
"Found FS corruption, run fsck to fix.");
- goto out;
+ return -EIO;
}
/* start/end segment number in main_area */
@@ -2403,40 +2457,36 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
cpc.reason = CP_DISCARD;
cpc.trim_minlen = max_t(__u64, 1, F2FS_BYTES_TO_BLK(range->minlen));
+ cpc.trim_start = start_segno;
+ cpc.trim_end = end_segno;
- /* do checkpoint to issue discard commands safely */
- for (cur_segno = start_segno; cur_segno <= end_segno;
- cur_segno = cpc.trim_end + 1) {
- cpc.trim_start = cur_segno;
-
- if (sbi->discard_blks == 0)
- break;
- else if (sbi->discard_blks < BATCHED_TRIM_BLOCKS(sbi))
- cpc.trim_end = end_segno;
- else
- cpc.trim_end = min_t(unsigned int,
- rounddown(cur_segno +
- BATCHED_TRIM_SEGMENTS(sbi),
- sbi->segs_per_sec) - 1, end_segno);
-
- mutex_lock(&sbi->gc_mutex);
- err = write_checkpoint(sbi, &cpc);
- mutex_unlock(&sbi->gc_mutex);
- if (err)
- break;
+ if (sbi->discard_blks == 0)
+ goto out;
- schedule();
- }
+ mutex_lock(&sbi->gc_mutex);
+ err = f2fs_write_checkpoint(sbi, &cpc);
+ mutex_unlock(&sbi->gc_mutex);
+ if (err)
+ goto out;
start_block = START_BLOCK(sbi, start_segno);
- end_block = START_BLOCK(sbi, min(cur_segno, end_segno) + 1);
+ end_block = START_BLOCK(sbi, end_segno + 1);
- init_discard_policy(&dpolicy, DPOLICY_FSTRIM, cpc.trim_minlen);
+ __init_discard_policy(sbi, &dpolicy, DPOLICY_FSTRIM, cpc.trim_minlen);
__issue_discard_cmd_range(sbi, &dpolicy, start_block, end_block);
- trimmed = __wait_discard_cmd_range(sbi, &dpolicy,
+
+ /*
+ * We filed discard candidates, but actually we don't need to wait for
+ * all of them, since they'll be issued in idle time along with runtime
+ * discard option. User configuration looks like using runtime discard
+ * or periodic fstrim instead of it.
+ */
+ if (!test_opt(sbi, DISCARD)) {
+ trimmed = __wait_discard_cmd_range(sbi, &dpolicy,
start_block, end_block);
+ range->len = F2FS_BLK_TO_BYTES(trimmed);
+ }
out:
- range->len = F2FS_BLK_TO_BYTES(trimmed);
return err;
}
@@ -2448,7 +2498,7 @@ static bool __has_curseg_space(struct f2fs_sb_info *sbi, int type)
return false;
}
-int rw_hint_to_seg_type(enum rw_hint hint)
+int f2fs_rw_hint_to_seg_type(enum rw_hint hint)
{
switch (hint) {
case WRITE_LIFE_SHORT:
@@ -2521,7 +2571,7 @@ int rw_hint_to_seg_type(enum rw_hint hint)
* WRITE_LIFE_LONG " WRITE_LIFE_LONG
*/
-enum rw_hint io_type_to_rw_hint(struct f2fs_sb_info *sbi,
+enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi,
enum page_type type, enum temp_type temp)
{
if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_USER) {
@@ -2588,9 +2638,11 @@ static int __get_segment_type_6(struct f2fs_io_info *fio)
if (is_cold_data(fio->page) || file_is_cold(inode))
return CURSEG_COLD_DATA;
if (file_is_hot(inode) ||
- is_inode_flag_set(inode, FI_HOT_DATA))
+ is_inode_flag_set(inode, FI_HOT_DATA) ||
+ is_inode_flag_set(inode, FI_ATOMIC_FILE) ||
+ is_inode_flag_set(inode, FI_VOLATILE_FILE))
return CURSEG_HOT_DATA;
- return rw_hint_to_seg_type(inode->i_write_hint);
+ return f2fs_rw_hint_to_seg_type(inode->i_write_hint);
} else {
if (IS_DNODE(fio->page))
return is_cold_node(fio->page) ? CURSEG_WARM_NODE :
@@ -2626,7 +2678,7 @@ static int __get_segment_type(struct f2fs_io_info *fio)
return type;
}
-void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
+void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
block_t old_blkaddr, block_t *new_blkaddr,
struct f2fs_summary *sum, int type,
struct f2fs_io_info *fio, bool add_list)
@@ -2686,6 +2738,7 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
INIT_LIST_HEAD(&fio->list);
fio->in_list = true;
+ fio->retry = false;
io = sbi->write_io[fio->type] + fio->temp;
spin_lock(&io->io_lock);
list_add_tail(&fio->list, &io->io_list);
@@ -2708,7 +2761,7 @@ static void update_device_state(struct f2fs_io_info *fio)
devidx = f2fs_target_device_index(sbi, fio->new_blkaddr);
/* update device state for fsync */
- set_dirty_device(sbi, fio->ino, devidx, FLUSH_INO);
+ f2fs_set_dirty_device(sbi, fio->ino, devidx, FLUSH_INO);
/* update device state for checkpoint */
if (!f2fs_test_bit(devidx, (char *)&sbi->dirty_device)) {
@@ -2721,23 +2774,28 @@ static void update_device_state(struct f2fs_io_info *fio)
static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
{
int type = __get_segment_type(fio);
- int err;
+ bool keep_order = (test_opt(fio->sbi, LFS) && type == CURSEG_COLD_DATA);
+ if (keep_order)
+ down_read(&fio->sbi->io_order_lock);
reallocate:
- allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
+ f2fs_allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
&fio->new_blkaddr, sum, type, fio, true);
/* writeout dirty page into bdev */
- err = f2fs_submit_page_write(fio);
- if (err == -EAGAIN) {
+ f2fs_submit_page_write(fio);
+ if (fio->retry) {
fio->old_blkaddr = fio->new_blkaddr;
goto reallocate;
- } else if (!err) {
- update_device_state(fio);
}
+
+ update_device_state(fio);
+
+ if (keep_order)
+ up_read(&fio->sbi->io_order_lock);
}
-void write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
+void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
enum iostat_type io_type)
{
struct f2fs_io_info fio = {
@@ -2757,12 +2815,13 @@ void write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
fio.op_flags &= ~REQ_META;
set_page_writeback(page);
+ ClearPageError(page);
f2fs_submit_page_write(&fio);
f2fs_update_iostat(sbi, io_type, F2FS_BLKSIZE);
}
-void write_node_page(unsigned int nid, struct f2fs_io_info *fio)
+void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio)
{
struct f2fs_summary sum;
@@ -2772,14 +2831,15 @@ void write_node_page(unsigned int nid, struct f2fs_io_info *fio)
f2fs_update_iostat(fio->sbi, fio->io_type, F2FS_BLKSIZE);
}
-void write_data_page(struct dnode_of_data *dn, struct f2fs_io_info *fio)
+void f2fs_outplace_write_data(struct dnode_of_data *dn,
+ struct f2fs_io_info *fio)
{
struct f2fs_sb_info *sbi = fio->sbi;
struct f2fs_summary sum;
struct node_info ni;
f2fs_bug_on(sbi, dn->data_blkaddr == NULL_ADDR);
- get_node_info(sbi, dn->nid, &ni);
+ f2fs_get_node_info(sbi, dn->nid, &ni);
set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version);
do_write_page(&sum, fio);
f2fs_update_data_blkaddr(dn, fio->new_blkaddr);
@@ -2787,7 +2847,7 @@ void write_data_page(struct dnode_of_data *dn, struct f2fs_io_info *fio)
f2fs_update_iostat(sbi, fio->io_type, F2FS_BLKSIZE);
}
-int rewrite_data_page(struct f2fs_io_info *fio)
+int f2fs_inplace_write_data(struct f2fs_io_info *fio)
{
int err;
struct f2fs_sb_info *sbi = fio->sbi;
@@ -2822,7 +2882,7 @@ static inline int __f2fs_get_curseg(struct f2fs_sb_info *sbi,
return i;
}
-void __f2fs_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
+void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
block_t old_blkaddr, block_t new_blkaddr,
bool recover_curseg, bool recover_newaddr)
{
@@ -2907,7 +2967,7 @@ void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn,
set_summary(&sum, dn->nid, dn->ofs_in_node, version);
- __f2fs_replace_block(sbi, &sum, old_addr, new_addr,
+ f2fs_do_replace_block(sbi, &sum, old_addr, new_addr,
recover_curseg, recover_newaddr);
f2fs_update_data_blkaddr(dn, new_addr);
@@ -2932,7 +2992,7 @@ void f2fs_wait_on_block_writeback(struct f2fs_sb_info *sbi, block_t blkaddr)
{
struct page *cpage;
- if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR)
+ if (!is_valid_blkaddr(blkaddr))
return;
cpage = find_lock_page(META_MAPPING(sbi), blkaddr);
@@ -2953,7 +3013,7 @@ static void read_compacted_summaries(struct f2fs_sb_info *sbi)
start = start_sum_block(sbi);
- page = get_meta_page(sbi, start++);
+ page = f2fs_get_meta_page(sbi, start++);
kaddr = (unsigned char *)page_address(page);
/* Step 1: restore nat cache */
@@ -2993,7 +3053,7 @@ static void read_compacted_summaries(struct f2fs_sb_info *sbi)
f2fs_put_page(page, 1);
page = NULL;
- page = get_meta_page(sbi, start++);
+ page = f2fs_get_meta_page(sbi, start++);
kaddr = (unsigned char *)page_address(page);
offset = 0;
}
@@ -3032,7 +3092,7 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
blk_addr = GET_SUM_BLOCK(sbi, segno);
}
- new = get_meta_page(sbi, blk_addr);
+ new = f2fs_get_meta_page(sbi, blk_addr);
sum = (struct f2fs_summary_block *)page_address(new);
if (IS_NODESEG(type)) {
@@ -3044,7 +3104,7 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
ns->ofs_in_node = 0;
}
} else {
- restore_node_summary(sbi, segno, sum);
+ f2fs_restore_node_summary(sbi, segno, sum);
}
}
@@ -3076,10 +3136,10 @@ static int restore_curseg_summaries(struct f2fs_sb_info *sbi)
int err;
if (is_set_ckpt_flags(sbi, CP_COMPACT_SUM_FLAG)) {
- int npages = npages_for_summary_flush(sbi, true);
+ int npages = f2fs_npages_for_summary_flush(sbi, true);
if (npages >= 2)
- ra_meta_pages(sbi, start_sum_block(sbi), npages,
+ f2fs_ra_meta_pages(sbi, start_sum_block(sbi), npages,
META_CP, true);
/* restore for compacted data summary */
@@ -3088,7 +3148,7 @@ static int restore_curseg_summaries(struct f2fs_sb_info *sbi)
}
if (__exist_node_summaries(sbi))
- ra_meta_pages(sbi, sum_blk_addr(sbi, NR_CURSEG_TYPE, type),
+ f2fs_ra_meta_pages(sbi, sum_blk_addr(sbi, NR_CURSEG_TYPE, type),
NR_CURSEG_TYPE - type, META_CP, true);
for (; type <= CURSEG_COLD_NODE; type++) {
@@ -3114,8 +3174,9 @@ static void write_compacted_summaries(struct f2fs_sb_info *sbi, block_t blkaddr)
int written_size = 0;
int i, j;
- page = grab_meta_page(sbi, blkaddr++);
+ page = f2fs_grab_meta_page(sbi, blkaddr++);
kaddr = (unsigned char *)page_address(page);
+ memset(kaddr, 0, PAGE_SIZE);
/* Step 1: write nat cache */
seg_i = CURSEG_I(sbi, CURSEG_HOT_DATA);
@@ -3138,8 +3199,9 @@ static void write_compacted_summaries(struct f2fs_sb_info *sbi, block_t blkaddr)
for (j = 0; j < blkoff; j++) {
if (!page) {
- page = grab_meta_page(sbi, blkaddr++);
+ page = f2fs_grab_meta_page(sbi, blkaddr++);
kaddr = (unsigned char *)page_address(page);
+ memset(kaddr, 0, PAGE_SIZE);
written_size = 0;
}
summary = (struct f2fs_summary *)(kaddr + written_size);
@@ -3174,7 +3236,7 @@ static void write_normal_summaries(struct f2fs_sb_info *sbi,
write_current_sum_page(sbi, i, blkaddr + (i - type));
}
-void write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk)
+void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk)
{
if (is_set_ckpt_flags(sbi, CP_COMPACT_SUM_FLAG))
write_compacted_summaries(sbi, start_blk);
@@ -3182,12 +3244,12 @@ void write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk)
write_normal_summaries(sbi, start_blk, CURSEG_HOT_DATA);
}
-void write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk)
+void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk)
{
write_normal_summaries(sbi, start_blk, CURSEG_HOT_NODE);
}
-int lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
+int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
unsigned int val, int alloc)
{
int i;
@@ -3212,7 +3274,7 @@ int lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
static struct page *get_current_sit_page(struct f2fs_sb_info *sbi,
unsigned int segno)
{
- return get_meta_page(sbi, current_sit_addr(sbi, segno));
+ return f2fs_get_meta_page(sbi, current_sit_addr(sbi, segno));
}
static struct page *get_next_sit_page(struct f2fs_sb_info *sbi,
@@ -3225,7 +3287,7 @@ static struct page *get_next_sit_page(struct f2fs_sb_info *sbi,
src_off = current_sit_addr(sbi, start);
dst_off = next_sit_addr(sbi, src_off);
- page = grab_meta_page(sbi, dst_off);
+ page = f2fs_grab_meta_page(sbi, dst_off);
seg_info_to_sit_page(sbi, page, start);
set_page_dirty(page);
@@ -3321,7 +3383,7 @@ static void remove_sits_in_journal(struct f2fs_sb_info *sbi)
* CP calls this function, which flushes SIT entries including sit_journal,
* and moves prefree segs to free segs.
*/
-void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
+void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct sit_info *sit_i = SIT_I(sbi);
unsigned long *bitmap = sit_i->dirty_sentries_bitmap;
@@ -3380,6 +3442,11 @@ void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
int offset, sit_offset;
se = get_seg_entry(sbi, segno);
+#ifdef CONFIG_F2FS_CHECK_FS
+ if (memcmp(se->cur_valid_map, se->cur_valid_map_mir,
+ SIT_VBLOCK_MAP_SIZE))
+ f2fs_bug_on(sbi, 1);
+#endif
/* add discard candidates */
if (!(cpc->reason & CP_DISCARD)) {
@@ -3388,17 +3455,21 @@ void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
}
if (to_journal) {
- offset = lookup_journal_in_cursum(journal,
+ offset = f2fs_lookup_journal_in_cursum(journal,
SIT_JOURNAL, segno, 1);
f2fs_bug_on(sbi, offset < 0);
segno_in_journal(journal, offset) =
cpu_to_le32(segno);
seg_info_to_raw_sit(se,
&sit_in_journal(journal, offset));
+ check_block_count(sbi, segno,
+ &sit_in_journal(journal, offset));
} else {
sit_offset = SIT_ENTRY_OFFSET(sit_i, segno);
seg_info_to_raw_sit(se,
&raw_sit->entries[sit_offset]);
+ check_block_count(sbi, segno,
+ &raw_sit->entries[sit_offset]);
}
__clear_bit(segno, bitmap);
@@ -3597,9 +3668,10 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
unsigned int i, start, end;
unsigned int readed, start_blk = 0;
int err = 0;
+ block_t total_node_blocks = 0;
do {
- readed = ra_meta_pages(sbi, start_blk, BIO_MAX_PAGES,
+ readed = f2fs_ra_meta_pages(sbi, start_blk, BIO_MAX_PAGES,
META_SIT, true);
start = start_blk * sit_i->sents_per_block;
@@ -3619,6 +3691,8 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
if (err)
return err;
seg_info_from_raw_sit(se, &sit);
+ if (IS_NODESEG(se->type))
+ total_node_blocks += se->valid_blocks;
/* build discard map only one time */
if (f2fs_discard_en(sbi)) {
@@ -3647,15 +3721,28 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
unsigned int old_valid_blocks;
start = le32_to_cpu(segno_in_journal(journal, i));
+ if (start >= MAIN_SEGS(sbi)) {
+ f2fs_msg(sbi->sb, KERN_ERR,
+ "Wrong journal entry on segno %u",
+ start);
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ err = -EINVAL;
+ break;
+ }
+
se = &sit_i->sentries[start];
sit = sit_in_journal(journal, i);
old_valid_blocks = se->valid_blocks;
+ if (IS_NODESEG(se->type))
+ total_node_blocks -= old_valid_blocks;
err = check_block_count(sbi, start, &sit);
if (err)
break;
seg_info_from_raw_sit(se, &sit);
+ if (IS_NODESEG(se->type))
+ total_node_blocks += se->valid_blocks;
if (f2fs_discard_en(sbi)) {
if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
@@ -3664,16 +3751,28 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
} else {
memcpy(se->discard_map, se->cur_valid_map,
SIT_VBLOCK_MAP_SIZE);
- sbi->discard_blks += old_valid_blocks -
- se->valid_blocks;
+ sbi->discard_blks += old_valid_blocks;
+ sbi->discard_blks -= se->valid_blocks;
}
}
- if (sbi->segs_per_sec > 1)
+ if (sbi->segs_per_sec > 1) {
get_sec_entry(sbi, start)->valid_blocks +=
- se->valid_blocks - old_valid_blocks;
+ se->valid_blocks;
+ get_sec_entry(sbi, start)->valid_blocks -=
+ old_valid_blocks;
+ }
}
up_read(&curseg->journal_rwsem);
+
+ if (!err && total_node_blocks != valid_node_count(sbi)) {
+ f2fs_msg(sbi->sb, KERN_ERR,
+ "SIT is corrupted node# %u vs %u",
+ total_node_blocks, valid_node_count(sbi));
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ err = -EINVAL;
+ }
+
return err;
}
@@ -3772,7 +3871,7 @@ static void init_min_max_mtime(struct f2fs_sb_info *sbi)
down_write(&sit_i->sentry_lock);
- sit_i->min_mtime = LLONG_MAX;
+ sit_i->min_mtime = ULLONG_MAX;
for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
unsigned int i;
@@ -3786,11 +3885,11 @@ static void init_min_max_mtime(struct f2fs_sb_info *sbi)
if (sit_i->min_mtime > mtime)
sit_i->min_mtime = mtime;
}
- sit_i->max_mtime = get_mtime(sbi);
+ sit_i->max_mtime = get_mtime(sbi, false);
up_write(&sit_i->sentry_lock);
}
-int build_segment_manager(struct f2fs_sb_info *sbi)
+int f2fs_build_segment_manager(struct f2fs_sb_info *sbi)
{
struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
@@ -3822,14 +3921,12 @@ int build_segment_manager(struct f2fs_sb_info *sbi)
sm_info->min_hot_blocks = DEF_MIN_HOT_BLOCKS;
sm_info->min_ssr_sections = reserved_sections(sbi);
- sm_info->trim_sections = DEF_BATCHED_TRIM_SECTIONS;
-
INIT_LIST_HEAD(&sm_info->sit_entry_set);
init_rwsem(&sm_info->curseg_lock);
if (!f2fs_readonly(sbi->sb)) {
- err = create_flush_cmd_control(sbi);
+ err = f2fs_create_flush_cmd_control(sbi);
if (err)
return err;
}
@@ -3954,13 +4051,13 @@ static void destroy_sit_info(struct f2fs_sb_info *sbi)
kfree(sit_i);
}
-void destroy_segment_manager(struct f2fs_sb_info *sbi)
+void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi)
{
struct f2fs_sm_info *sm_info = SM_I(sbi);
if (!sm_info)
return;
- destroy_flush_cmd_control(sbi, true);
+ f2fs_destroy_flush_cmd_control(sbi, true);
destroy_discard_cmd_control(sbi);
destroy_dirty_segmap(sbi);
destroy_curseg(sbi);
@@ -3970,7 +4067,7 @@ void destroy_segment_manager(struct f2fs_sb_info *sbi)
kfree(sm_info);
}
-int __init create_segment_manager_caches(void)
+int __init f2fs_create_segment_manager_caches(void)
{
discard_entry_slab = f2fs_kmem_cache_create("discard_entry",
sizeof(struct discard_entry));
@@ -4003,7 +4100,7 @@ fail:
return -ENOMEM;
}
-void destroy_segment_manager_caches(void)
+void f2fs_destroy_segment_manager_caches(void)
{
kmem_cache_destroy(sit_entry_set_slab);
kmem_cache_destroy(discard_cmd_slab);
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 3325d0769723..f18fc82fbe99 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -85,7 +85,7 @@
(GET_SEGOFF_FROM_SEG0(sbi, blk_addr) & ((sbi)->blocks_per_seg - 1))
#define GET_SEGNO(sbi, blk_addr) \
- ((((blk_addr) == NULL_ADDR) || ((blk_addr) == NEW_ADDR)) ? \
+ ((!is_valid_blkaddr(blk_addr)) ? \
NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
#define BLKS_PER_SEC(sbi) \
@@ -215,6 +215,8 @@ struct segment_allocation {
#define IS_DUMMY_WRITTEN_PAGE(page) \
(page_private(page) == (unsigned long)DUMMY_WRITTEN_PAGE)
+#define MAX_SKIP_ATOMIC_COUNT 16
+
struct inmem_pages {
struct list_head list;
struct page *page;
@@ -375,6 +377,7 @@ static inline void seg_info_to_sit_page(struct f2fs_sb_info *sbi,
int i;
raw_sit = (struct f2fs_sit_block *)page_address(page);
+ memset(raw_sit, 0, PAGE_SIZE);
for (i = 0; i < end - start; i++) {
rs = &raw_sit->entries[i];
se = get_seg_entry(sbi, start + i);
@@ -742,12 +745,23 @@ static inline void set_to_next_sit(struct sit_info *sit_i, unsigned int start)
#endif
}
-static inline unsigned long long get_mtime(struct f2fs_sb_info *sbi)
+static inline unsigned long long get_mtime(struct f2fs_sb_info *sbi,
+ bool base_time)
{
struct sit_info *sit_i = SIT_I(sbi);
- time64_t now = ktime_get_real_seconds();
+ time64_t diff, now = ktime_get_real_seconds();
+
+ if (now >= sit_i->mounted_time)
+ return sit_i->elapsed_time + now - sit_i->mounted_time;
- return sit_i->elapsed_time + now - sit_i->mounted_time;
+ /* system time is set to the past */
+ if (!base_time) {
+ diff = sit_i->mounted_time - now;
+ if (sit_i->elapsed_time >= diff)
+ return sit_i->elapsed_time - diff;
+ return 0;
+ }
+ return sit_i->elapsed_time;
}
static inline void set_summary(struct f2fs_summary *sum, nid_t nid,
@@ -771,15 +785,6 @@ static inline block_t sum_blk_addr(struct f2fs_sb_info *sbi, int base, int type)
- (base + 1) + type;
}
-static inline bool no_fggc_candidate(struct f2fs_sb_info *sbi,
- unsigned int secno)
-{
- if (get_valid_blocks(sbi, GET_SEG_FROM_SEC(sbi, secno), true) >
- sbi->fggc_threshold)
- return true;
- return false;
-}
-
static inline bool sec_usage_check(struct f2fs_sb_info *sbi, unsigned int secno)
{
if (IS_CURSEC(sbi, secno) || (sbi->cur_victim_sec == secno))
diff --git a/fs/f2fs/shrinker.c b/fs/f2fs/shrinker.c
index 0b5664a1a6cc..36cfd816c160 100644
--- a/fs/f2fs/shrinker.c
+++ b/fs/f2fs/shrinker.c
@@ -109,11 +109,11 @@ unsigned long f2fs_shrink_scan(struct shrinker *shrink,
/* shrink clean nat cache entries */
if (freed < nr)
- freed += try_to_free_nats(sbi, nr - freed);
+ freed += f2fs_try_to_free_nats(sbi, nr - freed);
/* shrink free nids cache entries */
if (freed < nr)
- freed += try_to_free_nids(sbi, nr - freed);
+ freed += f2fs_try_to_free_nids(sbi, nr - freed);
spin_lock(&f2fs_list_lock);
p = p->next;
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 970ae27f401c..e7441e8d1ff8 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -740,6 +740,10 @@ static int parse_options(struct super_block *sb, char *options)
} else if (strlen(name) == 6 &&
!strncmp(name, "strict", 6)) {
F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_STRICT;
+ } else if (strlen(name) == 9 &&
+ !strncmp(name, "nobarrier", 9)) {
+ F2FS_OPTION(sbi).fsync_mode =
+ FSYNC_MODE_NOBARRIER;
} else {
kfree(name);
return -EINVAL;
@@ -826,15 +830,14 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
/* Initialize f2fs-specific inode info */
atomic_set(&fi->dirty_pages, 0);
- fi->i_current_depth = 1;
init_rwsem(&fi->i_sem);
INIT_LIST_HEAD(&fi->dirty_list);
INIT_LIST_HEAD(&fi->gdirty_list);
INIT_LIST_HEAD(&fi->inmem_ilist);
INIT_LIST_HEAD(&fi->inmem_pages);
mutex_init(&fi->inmem_lock);
- init_rwsem(&fi->dio_rwsem[READ]);
- init_rwsem(&fi->dio_rwsem[WRITE]);
+ init_rwsem(&fi->i_gc_rwsem[READ]);
+ init_rwsem(&fi->i_gc_rwsem[WRITE]);
init_rwsem(&fi->i_mmap_sem);
init_rwsem(&fi->i_xattr_sem);
@@ -862,7 +865,7 @@ static int f2fs_drop_inode(struct inode *inode)
/* some remained atomic pages should discarded */
if (f2fs_is_atomic_file(inode))
- drop_inmem_pages(inode);
+ f2fs_drop_inmem_pages(inode);
/* should remain fi->extent_tree for writepage */
f2fs_destroy_extent_node(inode);
@@ -999,7 +1002,7 @@ static void f2fs_put_super(struct super_block *sb)
struct cp_control cpc = {
.reason = CP_UMOUNT,
};
- write_checkpoint(sbi, &cpc);
+ f2fs_write_checkpoint(sbi, &cpc);
}
/* be sure to wait for any on-going discard commands */
@@ -1009,17 +1012,17 @@ static void f2fs_put_super(struct super_block *sb)
struct cp_control cpc = {
.reason = CP_UMOUNT | CP_TRIMMED,
};
- write_checkpoint(sbi, &cpc);
+ f2fs_write_checkpoint(sbi, &cpc);
}
- /* write_checkpoint can update stat informaion */
+ /* f2fs_write_checkpoint can update stat informaion */
f2fs_destroy_stats(sbi);
/*
* normally superblock is clean, so we need to release this.
* In addition, EIO will skip do checkpoint, we need this as well.
*/
- release_ino_entry(sbi, true);
+ f2fs_release_ino_entry(sbi, true);
f2fs_leave_shrinker(sbi);
mutex_unlock(&sbi->umount_mutex);
@@ -1031,8 +1034,8 @@ static void f2fs_put_super(struct super_block *sb)
iput(sbi->meta_inode);
/* destroy f2fs internal modules */
- destroy_node_manager(sbi);
- destroy_segment_manager(sbi);
+ f2fs_destroy_node_manager(sbi);
+ f2fs_destroy_segment_manager(sbi);
kfree(sbi->ckpt);
@@ -1074,7 +1077,7 @@ int f2fs_sync_fs(struct super_block *sb, int sync)
cpc.reason = __get_cp_reason(sbi);
mutex_lock(&sbi->gc_mutex);
- err = write_checkpoint(sbi, &cpc);
+ err = f2fs_write_checkpoint(sbi, &cpc);
mutex_unlock(&sbi->gc_mutex);
}
f2fs_trace_ios(NULL, 1);
@@ -1477,11 +1480,11 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
*/
if ((*flags & SB_RDONLY) || !test_opt(sbi, BG_GC)) {
if (sbi->gc_thread) {
- stop_gc_thread(sbi);
+ f2fs_stop_gc_thread(sbi);
need_restart_gc = true;
}
} else if (!sbi->gc_thread) {
- err = start_gc_thread(sbi);
+ err = f2fs_start_gc_thread(sbi);
if (err)
goto restore_opts;
need_stop_gc = true;
@@ -1504,9 +1507,9 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
*/
if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) {
clear_opt(sbi, FLUSH_MERGE);
- destroy_flush_cmd_control(sbi, false);
+ f2fs_destroy_flush_cmd_control(sbi, false);
} else {
- err = create_flush_cmd_control(sbi);
+ err = f2fs_create_flush_cmd_control(sbi);
if (err)
goto restore_gc;
}
@@ -1524,11 +1527,11 @@ skip:
return 0;
restore_gc:
if (need_restart_gc) {
- if (start_gc_thread(sbi))
+ if (f2fs_start_gc_thread(sbi))
f2fs_msg(sbi->sb, KERN_WARNING,
"background gc thread has stopped");
} else if (need_stop_gc) {
- stop_gc_thread(sbi);
+ f2fs_stop_gc_thread(sbi);
}
restore_opts:
#ifdef CONFIG_QUOTA
@@ -1800,7 +1803,7 @@ static int f2fs_quota_on(struct super_block *sb, int type, int format_id,
inode = d_inode(path->dentry);
inode_lock(inode);
- F2FS_I(inode)->i_flags |= FS_NOATIME_FL | FS_IMMUTABLE_FL;
+ F2FS_I(inode)->i_flags |= F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL;
inode_set_flags(inode, S_NOATIME | S_IMMUTABLE,
S_NOATIME | S_IMMUTABLE);
inode_unlock(inode);
@@ -1824,7 +1827,7 @@ static int f2fs_quota_off(struct super_block *sb, int type)
goto out_put;
inode_lock(inode);
- F2FS_I(inode)->i_flags &= ~(FS_NOATIME_FL | FS_IMMUTABLE_FL);
+ F2FS_I(inode)->i_flags &= ~(F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL);
inode_set_flags(inode, 0, S_NOATIME | S_IMMUTABLE);
inode_unlock(inode);
f2fs_mark_inode_dirty_sync(inode, false);
@@ -1946,7 +1949,7 @@ static struct inode *f2fs_nfs_get_inode(struct super_block *sb,
struct f2fs_sb_info *sbi = F2FS_SB(sb);
struct inode *inode;
- if (check_nid_range(sbi, ino))
+ if (f2fs_check_nid_range(sbi, ino))
return ERR_PTR(-ESTALE);
/*
@@ -2129,6 +2132,8 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
struct buffer_head *bh)
{
+ block_t segment_count, segs_per_sec, secs_per_zone;
+ block_t total_sections, blocks_per_seg;
struct f2fs_super_block *raw_super = (struct f2fs_super_block *)
(bh->b_data + F2FS_SUPER_OFFSET);
struct super_block *sb = sbi->sb;
@@ -2185,6 +2190,72 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
return 1;
}
+ segment_count = le32_to_cpu(raw_super->segment_count);
+ segs_per_sec = le32_to_cpu(raw_super->segs_per_sec);
+ secs_per_zone = le32_to_cpu(raw_super->secs_per_zone);
+ total_sections = le32_to_cpu(raw_super->section_count);
+
+ /* blocks_per_seg should be 512, given the above check */
+ blocks_per_seg = 1 << le32_to_cpu(raw_super->log_blocks_per_seg);
+
+ if (segment_count > F2FS_MAX_SEGMENT ||
+ segment_count < F2FS_MIN_SEGMENTS) {
+ f2fs_msg(sb, KERN_INFO,
+ "Invalid segment count (%u)",
+ segment_count);
+ return 1;
+ }
+
+ if (total_sections > segment_count ||
+ total_sections < F2FS_MIN_SEGMENTS ||
+ segs_per_sec > segment_count || !segs_per_sec) {
+ f2fs_msg(sb, KERN_INFO,
+ "Invalid segment/section count (%u, %u x %u)",
+ segment_count, total_sections, segs_per_sec);
+ return 1;
+ }
+
+ if ((segment_count / segs_per_sec) < total_sections) {
+ f2fs_msg(sb, KERN_INFO,
+ "Small segment_count (%u < %u * %u)",
+ segment_count, segs_per_sec, total_sections);
+ return 1;
+ }
+
+ if (segment_count > (le32_to_cpu(raw_super->block_count) >> 9)) {
+ f2fs_msg(sb, KERN_INFO,
+ "Wrong segment_count / block_count (%u > %u)",
+ segment_count, le32_to_cpu(raw_super->block_count));
+ return 1;
+ }
+
+ if (secs_per_zone > total_sections) {
+ f2fs_msg(sb, KERN_INFO,
+ "Wrong secs_per_zone (%u > %u)",
+ secs_per_zone, total_sections);
+ return 1;
+ }
+ if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION ||
+ raw_super->hot_ext_count > F2FS_MAX_EXTENSION ||
+ (le32_to_cpu(raw_super->extension_count) +
+ raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) {
+ f2fs_msg(sb, KERN_INFO,
+ "Corrupted extension count (%u + %u > %u)",
+ le32_to_cpu(raw_super->extension_count),
+ raw_super->hot_ext_count,
+ F2FS_MAX_EXTENSION);
+ return 1;
+ }
+
+ if (le32_to_cpu(raw_super->cp_payload) >
+ (blocks_per_seg - F2FS_CP_PACKS)) {
+ f2fs_msg(sb, KERN_INFO,
+ "Insane cp_payload (%u > %u)",
+ le32_to_cpu(raw_super->cp_payload),
+ blocks_per_seg - F2FS_CP_PACKS);
+ return 1;
+ }
+
/* check reserved ino info */
if (le32_to_cpu(raw_super->node_ino) != 1 ||
le32_to_cpu(raw_super->meta_ino) != 2 ||
@@ -2197,13 +2268,6 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
return 1;
}
- if (le32_to_cpu(raw_super->segment_count) > F2FS_MAX_SEGMENT) {
- f2fs_msg(sb, KERN_INFO,
- "Invalid segment count (%u)",
- le32_to_cpu(raw_super->segment_count));
- return 1;
- }
-
/* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */
if (sanity_check_area_boundary(sbi, bh))
return 1;
@@ -2211,7 +2275,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
return 0;
}
-int sanity_check_ckpt(struct f2fs_sb_info *sbi)
+int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
{
unsigned int total, fsmeta;
struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
@@ -2292,13 +2356,15 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
for (i = 0; i < NR_COUNT_TYPE; i++)
atomic_set(&sbi->nr_pages[i], 0);
- atomic_set(&sbi->wb_sync_req, 0);
+ for (i = 0; i < META; i++)
+ atomic_set(&sbi->wb_sync_req[i], 0);
INIT_LIST_HEAD(&sbi->s_list);
mutex_init(&sbi->umount_mutex);
for (i = 0; i < NR_PAGE_TYPE - 1; i++)
for (j = HOT; j < NR_TEMP_TYPE; j++)
mutex_init(&sbi->wio_mutex[i][j]);
+ init_rwsem(&sbi->io_order_lock);
spin_lock_init(&sbi->cp_lock);
sbi->dirty_device = 0;
@@ -2759,7 +2825,7 @@ try_onemore:
goto free_io_dummy;
}
- err = get_valid_checkpoint(sbi);
+ err = f2fs_get_valid_checkpoint(sbi);
if (err) {
f2fs_msg(sb, KERN_ERR, "Failed to get valid F2FS checkpoint");
goto free_meta_inode;
@@ -2789,18 +2855,18 @@ try_onemore:
spin_lock_init(&sbi->inode_lock[i]);
}
- init_extent_cache_info(sbi);
+ f2fs_init_extent_cache_info(sbi);
- init_ino_entry_info(sbi);
+ f2fs_init_ino_entry_info(sbi);
/* setup f2fs internal modules */
- err = build_segment_manager(sbi);
+ err = f2fs_build_segment_manager(sbi);
if (err) {
f2fs_msg(sb, KERN_ERR,
"Failed to initialize F2FS segment manager");
goto free_sm;
}
- err = build_node_manager(sbi);
+ err = f2fs_build_node_manager(sbi);
if (err) {
f2fs_msg(sb, KERN_ERR,
"Failed to initialize F2FS node manager");
@@ -2818,7 +2884,7 @@ try_onemore:
sbi->kbytes_written =
le64_to_cpu(seg_i->journal->info.kbytes_written);
- build_gc_manager(sbi);
+ f2fs_build_gc_manager(sbi);
/* get an inode for node space */
sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi));
@@ -2870,7 +2936,7 @@ try_onemore:
}
#endif
/* if there are nt orphan nodes free them */
- err = recover_orphan_inodes(sbi);
+ err = f2fs_recover_orphan_inodes(sbi);
if (err)
goto free_meta;
@@ -2892,7 +2958,7 @@ try_onemore:
if (!retry)
goto skip_recovery;
- err = recover_fsync_data(sbi, false);
+ err = f2fs_recover_fsync_data(sbi, false);
if (err < 0) {
need_fsck = true;
f2fs_msg(sb, KERN_ERR,
@@ -2900,7 +2966,7 @@ try_onemore:
goto free_meta;
}
} else {
- err = recover_fsync_data(sbi, true);
+ err = f2fs_recover_fsync_data(sbi, true);
if (!f2fs_readonly(sb) && err > 0) {
err = -EINVAL;
@@ -2910,7 +2976,7 @@ try_onemore:
}
}
skip_recovery:
- /* recover_fsync_data() cleared this already */
+ /* f2fs_recover_fsync_data() cleared this already */
clear_sbi_flag(sbi, SBI_POR_DOING);
/*
@@ -2919,7 +2985,7 @@ skip_recovery:
*/
if (test_opt(sbi, BG_GC) && !f2fs_readonly(sb)) {
/* After POR, we can run background GC thread.*/
- err = start_gc_thread(sbi);
+ err = f2fs_start_gc_thread(sbi);
if (err)
goto free_meta;
}
@@ -2950,10 +3016,10 @@ free_meta:
#endif
f2fs_sync_inode_meta(sbi);
/*
- * Some dirty meta pages can be produced by recover_orphan_inodes()
+ * Some dirty meta pages can be produced by f2fs_recover_orphan_inodes()
* failed by EIO. Then, iput(node_inode) can trigger balance_fs_bg()
- * followed by write_checkpoint() through f2fs_write_node_pages(), which
- * falls into an infinite loop in sync_meta_pages().
+ * followed by f2fs_write_checkpoint() through f2fs_write_node_pages(), which
+ * falls into an infinite loop in f2fs_sync_meta_pages().
*/
truncate_inode_pages_final(META_MAPPING(sbi));
#ifdef CONFIG_QUOTA
@@ -2966,13 +3032,13 @@ free_root_inode:
free_stats:
f2fs_destroy_stats(sbi);
free_node_inode:
- release_ino_entry(sbi, true);
+ f2fs_release_ino_entry(sbi, true);
truncate_inode_pages_final(NODE_MAPPING(sbi));
iput(sbi->node_inode);
free_nm:
- destroy_node_manager(sbi);
+ f2fs_destroy_node_manager(sbi);
free_sm:
- destroy_segment_manager(sbi);
+ f2fs_destroy_segment_manager(sbi);
free_devices:
destroy_device_list(sbi);
kfree(sbi->ckpt);
@@ -3018,8 +3084,8 @@ static void kill_f2fs_super(struct super_block *sb)
{
if (sb->s_root) {
set_sbi_flag(F2FS_SB(sb), SBI_IS_CLOSE);
- stop_gc_thread(F2FS_SB(sb));
- stop_discard_thread(F2FS_SB(sb));
+ f2fs_stop_gc_thread(F2FS_SB(sb));
+ f2fs_stop_discard_thread(F2FS_SB(sb));
}
kill_block_super(sb);
}
@@ -3057,21 +3123,27 @@ static int __init init_f2fs_fs(void)
{
int err;
+ if (PAGE_SIZE != F2FS_BLKSIZE) {
+ printk("F2FS not supported on PAGE_SIZE(%lu) != %d\n",
+ PAGE_SIZE, F2FS_BLKSIZE);
+ return -EINVAL;
+ }
+
f2fs_build_trace_ios();
err = init_inodecache();
if (err)
goto fail;
- err = create_node_manager_caches();
+ err = f2fs_create_node_manager_caches();
if (err)
goto free_inodecache;
- err = create_segment_manager_caches();
+ err = f2fs_create_segment_manager_caches();
if (err)
goto free_node_manager_caches;
- err = create_checkpoint_caches();
+ err = f2fs_create_checkpoint_caches();
if (err)
goto free_segment_manager_caches;
- err = create_extent_cache();
+ err = f2fs_create_extent_cache();
if (err)
goto free_checkpoint_caches;
err = f2fs_init_sysfs();
@@ -3086,8 +3158,13 @@ static int __init init_f2fs_fs(void)
err = f2fs_create_root_stats();
if (err)
goto free_filesystem;
+ err = f2fs_init_post_read_processing();
+ if (err)
+ goto free_root_stats;
return 0;
+free_root_stats:
+ f2fs_destroy_root_stats();
free_filesystem:
unregister_filesystem(&f2fs_fs_type);
free_shrinker:
@@ -3095,13 +3172,13 @@ free_shrinker:
free_sysfs:
f2fs_exit_sysfs();
free_extent_cache:
- destroy_extent_cache();
+ f2fs_destroy_extent_cache();
free_checkpoint_caches:
- destroy_checkpoint_caches();
+ f2fs_destroy_checkpoint_caches();
free_segment_manager_caches:
- destroy_segment_manager_caches();
+ f2fs_destroy_segment_manager_caches();
free_node_manager_caches:
- destroy_node_manager_caches();
+ f2fs_destroy_node_manager_caches();
free_inodecache:
destroy_inodecache();
fail:
@@ -3110,14 +3187,15 @@ fail:
static void __exit exit_f2fs_fs(void)
{
+ f2fs_destroy_post_read_processing();
f2fs_destroy_root_stats();
unregister_filesystem(&f2fs_fs_type);
unregister_shrinker(&f2fs_shrinker_info);
f2fs_exit_sysfs();
- destroy_extent_cache();
- destroy_checkpoint_caches();
- destroy_segment_manager_caches();
- destroy_node_manager_caches();
+ f2fs_destroy_extent_cache();
+ f2fs_destroy_checkpoint_caches();
+ f2fs_destroy_segment_manager_caches();
+ f2fs_destroy_node_manager_caches();
destroy_inodecache();
f2fs_destroy_trace_ios();
}
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 4b47ca6296a7..2e7e611deaef 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -147,13 +147,13 @@ static ssize_t f2fs_sbi_show(struct f2fs_attr *a,
int len = 0, i;
len += snprintf(buf + len, PAGE_SIZE - len,
- "cold file extenstion:\n");
+ "cold file extension:\n");
for (i = 0; i < cold_count; i++)
len += snprintf(buf + len, PAGE_SIZE - len, "%s\n",
extlist[i]);
len += snprintf(buf + len, PAGE_SIZE - len,
- "hot file extenstion:\n");
+ "hot file extension:\n");
for (i = cold_count; i < cold_count + hot_count; i++)
len += snprintf(buf + len, PAGE_SIZE - len, "%s\n",
extlist[i]);
@@ -165,7 +165,7 @@ static ssize_t f2fs_sbi_show(struct f2fs_attr *a,
return snprintf(buf, PAGE_SIZE, "%u\n", *ui);
}
-static ssize_t f2fs_sbi_store(struct f2fs_attr *a,
+static ssize_t __sbi_store(struct f2fs_attr *a,
struct f2fs_sb_info *sbi,
const char *buf, size_t count)
{
@@ -201,13 +201,13 @@ static ssize_t f2fs_sbi_store(struct f2fs_attr *a,
down_write(&sbi->sb_lock);
- ret = update_extension_list(sbi, name, hot, set);
+ ret = f2fs_update_extension_list(sbi, name, hot, set);
if (ret)
goto out;
ret = f2fs_commit_super(sbi, false);
if (ret)
- update_extension_list(sbi, name, hot, !set);
+ f2fs_update_extension_list(sbi, name, hot, !set);
out:
up_write(&sbi->sb_lock);
return ret ? ret : count;
@@ -245,19 +245,56 @@ out:
return count;
}
+ if (!strcmp(a->attr.name, "trim_sections"))
+ return -EINVAL;
+
+ if (!strcmp(a->attr.name, "gc_urgent")) {
+ if (t >= 1) {
+ sbi->gc_mode = GC_URGENT;
+ if (sbi->gc_thread) {
+ wake_up_interruptible_all(
+ &sbi->gc_thread->gc_wait_queue_head);
+ wake_up_discard_thread(sbi, true);
+ }
+ } else {
+ sbi->gc_mode = GC_NORMAL;
+ }
+ return count;
+ }
+ if (!strcmp(a->attr.name, "gc_idle")) {
+ if (t == GC_IDLE_CB)
+ sbi->gc_mode = GC_IDLE_CB;
+ else if (t == GC_IDLE_GREEDY)
+ sbi->gc_mode = GC_IDLE_GREEDY;
+ else
+ sbi->gc_mode = GC_NORMAL;
+ return count;
+ }
+
*ui = t;
if (!strcmp(a->attr.name, "iostat_enable") && *ui == 0)
f2fs_reset_iostat(sbi);
- if (!strcmp(a->attr.name, "gc_urgent") && t == 1 && sbi->gc_thread) {
- sbi->gc_thread->gc_wake = 1;
- wake_up_interruptible_all(&sbi->gc_thread->gc_wait_queue_head);
- wake_up_discard_thread(sbi, true);
- }
-
return count;
}
+static ssize_t f2fs_sbi_store(struct f2fs_attr *a,
+ struct f2fs_sb_info *sbi,
+ const char *buf, size_t count)
+{
+ ssize_t ret;
+ bool gc_entry = (!strcmp(a->attr.name, "gc_urgent") ||
+ a->struct_type == GC_THREAD);
+
+ if (gc_entry)
+ down_read(&sbi->sb->s_umount);
+ ret = __sbi_store(a, sbi, buf, count);
+ if (gc_entry)
+ up_read(&sbi->sb->s_umount);
+
+ return ret;
+}
+
static ssize_t f2fs_attr_show(struct kobject *kobj,
struct attribute *attr, char *buf)
{
@@ -346,8 +383,8 @@ F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_urgent_sleep_time,
F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_min_sleep_time, min_sleep_time);
F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_max_sleep_time, max_sleep_time);
F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_no_gc_sleep_time, no_gc_sleep_time);
-F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_idle, gc_idle);
-F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_urgent, gc_urgent);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_idle, gc_mode);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_urgent, gc_mode);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, reclaim_segments, rec_prefree_segments);
F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_small_discards, max_discards);
F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, discard_granularity, discard_granularity);
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index ae2dfa709f5d..708271871f94 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -252,7 +252,7 @@ static int read_inline_xattr(struct inode *inode, struct page *ipage,
if (ipage) {
inline_addr = inline_xattr_addr(inode, ipage);
} else {
- page = get_node_page(sbi, inode->i_ino);
+ page = f2fs_get_node_page(sbi, inode->i_ino);
if (IS_ERR(page))
return PTR_ERR(page);
@@ -273,7 +273,7 @@ static int read_xattr_block(struct inode *inode, void *txattr_addr)
void *xattr_addr;
/* The inode already has an extended attribute block. */
- xpage = get_node_page(sbi, xnid);
+ xpage = f2fs_get_node_page(sbi, xnid);
if (IS_ERR(xpage))
return PTR_ERR(xpage);
@@ -397,7 +397,7 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize,
int err = 0;
if (hsize > inline_size && !F2FS_I(inode)->i_xattr_nid)
- if (!alloc_nid(sbi, &new_nid))
+ if (!f2fs_alloc_nid(sbi, &new_nid))
return -ENOSPC;
/* write to inline xattr */
@@ -405,9 +405,9 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize,
if (ipage) {
inline_addr = inline_xattr_addr(inode, ipage);
} else {
- in_page = get_node_page(sbi, inode->i_ino);
+ in_page = f2fs_get_node_page(sbi, inode->i_ino);
if (IS_ERR(in_page)) {
- alloc_nid_failed(sbi, new_nid);
+ f2fs_alloc_nid_failed(sbi, new_nid);
return PTR_ERR(in_page);
}
inline_addr = inline_xattr_addr(inode, in_page);
@@ -417,8 +417,8 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize,
NODE, true);
/* no need to use xattr node block */
if (hsize <= inline_size) {
- err = truncate_xattr_node(inode);
- alloc_nid_failed(sbi, new_nid);
+ err = f2fs_truncate_xattr_node(inode);
+ f2fs_alloc_nid_failed(sbi, new_nid);
if (err) {
f2fs_put_page(in_page, 1);
return err;
@@ -431,10 +431,10 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize,
/* write to xattr node block */
if (F2FS_I(inode)->i_xattr_nid) {
- xpage = get_node_page(sbi, F2FS_I(inode)->i_xattr_nid);
+ xpage = f2fs_get_node_page(sbi, F2FS_I(inode)->i_xattr_nid);
if (IS_ERR(xpage)) {
err = PTR_ERR(xpage);
- alloc_nid_failed(sbi, new_nid);
+ f2fs_alloc_nid_failed(sbi, new_nid);
goto in_page_out;
}
f2fs_bug_on(sbi, new_nid);
@@ -442,13 +442,13 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize,
} else {
struct dnode_of_data dn;
set_new_dnode(&dn, inode, NULL, NULL, new_nid);
- xpage = new_node_page(&dn, XATTR_NODE_OFFSET);
+ xpage = f2fs_new_node_page(&dn, XATTR_NODE_OFFSET);
if (IS_ERR(xpage)) {
err = PTR_ERR(xpage);
- alloc_nid_failed(sbi, new_nid);
+ f2fs_alloc_nid_failed(sbi, new_nid);
goto in_page_out;
}
- alloc_nid_done(sbi, new_nid);
+ f2fs_alloc_nid_done(sbi, new_nid);
}
xattr_addr = page_address(xpage);
@@ -693,7 +693,7 @@ int f2fs_setxattr(struct inode *inode, int index, const char *name,
if (err)
return err;
- /* this case is only from init_inode_metadata */
+ /* this case is only from f2fs_init_inode_metadata */
if (ipage)
return __f2fs_setxattr(inode, index, name, value,
size, ipage, flags);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-25 03:58:08 +0300