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Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c127
1 files changed, 78 insertions, 49 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 3959fd137cc9..87ab5696bd48 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -11,7 +11,6 @@
#include <linux/fs_context.h>
#include <linux/sched/mm.h>
#include <linux/statfs.h>
-#include <linux/buffer_head.h>
#include <linux/kthread.h>
#include <linux/parser.h>
#include <linux/mount.h>
@@ -707,6 +706,11 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
if (!strcmp(name, "on")) {
F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON;
} else if (!strcmp(name, "off")) {
+ if (f2fs_sb_has_blkzoned(sbi)) {
+ f2fs_warn(sbi, "zoned devices need bggc");
+ kfree(name);
+ return -EINVAL;
+ }
F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_OFF;
} else if (!strcmp(name, "sync")) {
F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_SYNC;
@@ -2561,7 +2565,7 @@ restore_opts:
static void f2fs_shutdown(struct super_block *sb)
{
- f2fs_do_shutdown(F2FS_SB(sb), F2FS_GOING_DOWN_NOSYNC, false);
+ f2fs_do_shutdown(F2FS_SB(sb), F2FS_GOING_DOWN_NOSYNC, false, false);
}
#ifdef CONFIG_QUOTA
@@ -2677,7 +2681,7 @@ static ssize_t f2fs_quota_write(struct super_block *sb, int type,
const struct address_space_operations *a_ops = mapping->a_ops;
int offset = off & (sb->s_blocksize - 1);
size_t towrite = len;
- struct page *page;
+ struct folio *folio;
void *fsdata = NULL;
int err = 0;
int tocopy;
@@ -2687,7 +2691,7 @@ static ssize_t f2fs_quota_write(struct super_block *sb, int type,
towrite);
retry:
err = a_ops->write_begin(NULL, mapping, off, tocopy,
- &page, &fsdata);
+ &folio, &fsdata);
if (unlikely(err)) {
if (err == -ENOMEM) {
f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
@@ -2697,10 +2701,10 @@ retry:
break;
}
- memcpy_to_page(page, offset, data, tocopy);
+ memcpy_to_folio(folio, offset_in_folio(folio, off), data, tocopy);
a_ops->write_end(NULL, mapping, off, tocopy, tocopy,
- page, fsdata);
+ folio, fsdata);
offset = 0;
towrite -= tocopy;
off += tocopy;
@@ -3318,29 +3322,47 @@ loff_t max_file_blocks(struct inode *inode)
* fit within U32_MAX + 1 data units.
*/
- result = min(result, (((loff_t)U32_MAX + 1) * 4096) >> F2FS_BLKSIZE_BITS);
+ result = min(result, F2FS_BYTES_TO_BLK(((loff_t)U32_MAX + 1) * 4096));
return result;
}
-static int __f2fs_commit_super(struct buffer_head *bh,
- struct f2fs_super_block *super)
+static int __f2fs_commit_super(struct f2fs_sb_info *sbi, struct folio *folio,
+ pgoff_t index, bool update)
{
- lock_buffer(bh);
- if (super)
- memcpy(bh->b_data + F2FS_SUPER_OFFSET, super, sizeof(*super));
- set_buffer_dirty(bh);
- unlock_buffer(bh);
-
+ struct bio *bio;
/* it's rare case, we can do fua all the time */
- return __sync_dirty_buffer(bh, REQ_SYNC | REQ_PREFLUSH | REQ_FUA);
+ blk_opf_t opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH | REQ_FUA;
+ int ret;
+
+ folio_lock(folio);
+ folio_wait_writeback(folio);
+ if (update)
+ memcpy(F2FS_SUPER_BLOCK(folio, index), F2FS_RAW_SUPER(sbi),
+ sizeof(struct f2fs_super_block));
+ folio_mark_dirty(folio);
+ folio_clear_dirty_for_io(folio);
+ folio_start_writeback(folio);
+ folio_unlock(folio);
+
+ bio = bio_alloc(sbi->sb->s_bdev, 1, opf, GFP_NOFS);
+
+ /* it doesn't need to set crypto context for superblock update */
+ bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(folio_index(folio));
+
+ if (!bio_add_folio(bio, folio, folio_size(folio), 0))
+ f2fs_bug_on(sbi, 1);
+
+ ret = submit_bio_wait(bio);
+ folio_end_writeback(folio);
+
+ return ret;
}
static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
- struct buffer_head *bh)
+ struct folio *folio, pgoff_t index)
{
- struct f2fs_super_block *raw_super = (struct f2fs_super_block *)
- (bh->b_data + F2FS_SUPER_OFFSET);
+ struct f2fs_super_block *raw_super = F2FS_SUPER_BLOCK(folio, index);
struct super_block *sb = sbi->sb;
u32 segment0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr);
u32 cp_blkaddr = le32_to_cpu(raw_super->cp_blkaddr);
@@ -3356,9 +3378,9 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
u32 segment_count = le32_to_cpu(raw_super->segment_count);
u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg);
u64 main_end_blkaddr = main_blkaddr +
- (segment_count_main << log_blocks_per_seg);
+ ((u64)segment_count_main << log_blocks_per_seg);
u64 seg_end_blkaddr = segment0_blkaddr +
- (segment_count << log_blocks_per_seg);
+ ((u64)segment_count << log_blocks_per_seg);
if (segment0_blkaddr != cp_blkaddr) {
f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)",
@@ -3415,7 +3437,7 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
set_sbi_flag(sbi, SBI_NEED_SB_WRITE);
res = "internally";
} else {
- err = __f2fs_commit_super(bh, NULL);
+ err = __f2fs_commit_super(sbi, folio, index, false);
res = err ? "failed" : "done";
}
f2fs_info(sbi, "Fix alignment : %s, start(%u) end(%llu) block(%u)",
@@ -3428,12 +3450,11 @@ 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)
+ struct folio *folio, pgoff_t index)
{
block_t segment_count, segs_per_sec, secs_per_zone, segment_count_main;
block_t total_sections, blocks_per_seg;
- struct f2fs_super_block *raw_super = (struct f2fs_super_block *)
- (bh->b_data + F2FS_SUPER_OFFSET);
+ struct f2fs_super_block *raw_super = F2FS_SUPER_BLOCK(folio, index);
size_t crc_offset = 0;
__u32 crc = 0;
@@ -3591,7 +3612,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
}
/* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */
- if (sanity_check_area_boundary(sbi, bh))
+ if (sanity_check_area_boundary(sbi, folio, index))
return -EFSCORRUPTED;
return 0;
@@ -3786,6 +3807,8 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
sbi->next_victim_seg[FG_GC] = NULL_SEGNO;
sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
sbi->migration_granularity = SEGS_PER_SEC(sbi);
+ sbi->migration_window_granularity = f2fs_sb_has_blkzoned(sbi) ?
+ DEF_MIGRATION_WINDOW_GRANULARITY_ZONED : SEGS_PER_SEC(sbi);
sbi->seq_file_ra_mul = MIN_RA_MUL;
sbi->max_fragment_chunk = DEF_FRAGMENT_SIZE;
sbi->max_fragment_hole = DEF_FRAGMENT_SIZE;
@@ -3938,7 +3961,7 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
{
struct super_block *sb = sbi->sb;
int block;
- struct buffer_head *bh;
+ struct folio *folio;
struct f2fs_super_block *super;
int err = 0;
@@ -3947,32 +3970,32 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
return -ENOMEM;
for (block = 0; block < 2; block++) {
- bh = sb_bread(sb, block);
- if (!bh) {
+ folio = read_mapping_folio(sb->s_bdev->bd_mapping, block, NULL);
+ if (IS_ERR(folio)) {
f2fs_err(sbi, "Unable to read %dth superblock",
block + 1);
- err = -EIO;
+ err = PTR_ERR(folio);
*recovery = 1;
continue;
}
/* sanity checking of raw super */
- err = sanity_check_raw_super(sbi, bh);
+ err = sanity_check_raw_super(sbi, folio, block);
if (err) {
f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock",
block + 1);
- brelse(bh);
+ folio_put(folio);
*recovery = 1;
continue;
}
if (!*raw_super) {
- memcpy(super, bh->b_data + F2FS_SUPER_OFFSET,
+ memcpy(super, F2FS_SUPER_BLOCK(folio, block),
sizeof(*super));
*valid_super_block = block;
*raw_super = super;
}
- brelse(bh);
+ folio_put(folio);
}
/* No valid superblock */
@@ -3986,7 +4009,8 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover)
{
- struct buffer_head *bh;
+ struct folio *folio;
+ pgoff_t index;
__u32 crc = 0;
int err;
@@ -4004,22 +4028,24 @@ int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover)
}
/* write back-up superblock first */
- bh = sb_bread(sbi->sb, sbi->valid_super_block ? 0 : 1);
- if (!bh)
- return -EIO;
- err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi));
- brelse(bh);
+ index = sbi->valid_super_block ? 0 : 1;
+ folio = read_mapping_folio(sbi->sb->s_bdev->bd_mapping, index, NULL);
+ if (IS_ERR(folio))
+ return PTR_ERR(folio);
+ err = __f2fs_commit_super(sbi, folio, index, true);
+ folio_put(folio);
/* if we are in recovery path, skip writing valid superblock */
if (recover || err)
return err;
/* write current valid superblock */
- bh = sb_bread(sbi->sb, sbi->valid_super_block);
- if (!bh)
- return -EIO;
- err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi));
- brelse(bh);
+ index = sbi->valid_super_block;
+ folio = read_mapping_folio(sbi->sb->s_bdev->bd_mapping, index, NULL);
+ if (IS_ERR(folio))
+ return PTR_ERR(folio);
+ err = __f2fs_commit_super(sbi, folio, index, true);
+ folio_put(folio);
return err;
}
@@ -4173,12 +4199,14 @@ void f2fs_handle_critical_error(struct f2fs_sb_info *sbi, unsigned char reason,
}
f2fs_warn(sbi, "Remounting filesystem read-only");
+
/*
- * Make sure updated value of ->s_mount_flags will be visible before
- * ->s_flags update
+ * We have already set CP_ERROR_FLAG flag to stop all updates
+ * to filesystem, so it doesn't need to set SB_RDONLY flag here
+ * because the flag should be set covered w/ sb->s_umount semaphore
+ * via remount procedure, otherwise, it will confuse code like
+ * freeze_super() which will lead to deadlocks and other problems.
*/
- smp_wmb();
- sb->s_flags |= SB_RDONLY;
}
static void f2fs_record_error_work(struct work_struct *work)
@@ -4219,6 +4247,7 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
sbi->aligned_blksize = true;
#ifdef CONFIG_BLK_DEV_ZONED
sbi->max_open_zones = UINT_MAX;
+ sbi->blkzone_alloc_policy = BLKZONE_ALLOC_PRIOR_SEQ;
#endif
for (i = 0; i < max_devices; i++) {
generated by cgit v1.2.3 (git 2.39.0) at 2025-03-07 01:08:36 +0300