diff options
Diffstat (limited to 'fs/f2fs')
-rw-r--r-- | fs/f2fs/acl.c | 18 | ||||
-rw-r--r-- | fs/f2fs/acl.h | 1 | ||||
-rw-r--r-- | fs/f2fs/checkpoint.c | 205 | ||||
-rw-r--r-- | fs/f2fs/data.c | 131 | ||||
-rw-r--r-- | fs/f2fs/debug.c | 17 | ||||
-rw-r--r-- | fs/f2fs/dir.c | 116 | ||||
-rw-r--r-- | fs/f2fs/f2fs.h | 175 | ||||
-rw-r--r-- | fs/f2fs/file.c | 25 | ||||
-rw-r--r-- | fs/f2fs/gc.c | 90 | ||||
-rw-r--r-- | fs/f2fs/inline.c | 25 | ||||
-rw-r--r-- | fs/f2fs/inode.c | 17 | ||||
-rw-r--r-- | fs/f2fs/namei.c | 33 | ||||
-rw-r--r-- | fs/f2fs/node.c | 40 | ||||
-rw-r--r-- | fs/f2fs/node.h | 77 | ||||
-rw-r--r-- | fs/f2fs/recovery.c | 124 | ||||
-rw-r--r-- | fs/f2fs/segment.c | 219 | ||||
-rw-r--r-- | fs/f2fs/segment.h | 11 | ||||
-rw-r--r-- | fs/f2fs/super.c | 93 | ||||
-rw-r--r-- | fs/f2fs/xattr.c | 39 |
19 files changed, 915 insertions, 541 deletions
diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c index 4dcc9e28dc5c..6fe23af509e1 100644 --- a/fs/f2fs/acl.c +++ b/fs/f2fs/acl.c @@ -109,14 +109,16 @@ fail: return ERR_PTR(-EINVAL); } -static void *f2fs_acl_to_disk(const struct posix_acl *acl, size_t *size) +static void *f2fs_acl_to_disk(struct f2fs_sb_info *sbi, + const struct posix_acl *acl, size_t *size) { struct f2fs_acl_header *f2fs_acl; struct f2fs_acl_entry *entry; int i; - f2fs_acl = f2fs_kmalloc(sizeof(struct f2fs_acl_header) + acl->a_count * - sizeof(struct f2fs_acl_entry), GFP_NOFS); + f2fs_acl = f2fs_kmalloc(sbi, sizeof(struct f2fs_acl_header) + + acl->a_count * sizeof(struct f2fs_acl_entry), + GFP_NOFS); if (!f2fs_acl) return ERR_PTR(-ENOMEM); @@ -175,7 +177,7 @@ static struct posix_acl *__f2fs_get_acl(struct inode *inode, int type, retval = f2fs_getxattr(inode, name_index, "", NULL, 0, dpage); if (retval > 0) { - value = f2fs_kmalloc(retval, GFP_F2FS_ZERO); + value = f2fs_kmalloc(F2FS_I_SB(inode), retval, GFP_F2FS_ZERO); if (!value) return ERR_PTR(-ENOMEM); retval = f2fs_getxattr(inode, name_index, "", value, @@ -210,12 +212,10 @@ static int __f2fs_set_acl(struct inode *inode, int type, case ACL_TYPE_ACCESS: name_index = F2FS_XATTR_INDEX_POSIX_ACL_ACCESS; if (acl) { - error = posix_acl_equiv_mode(acl, &inode->i_mode); - if (error < 0) + error = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (error) return error; set_acl_inode(inode, inode->i_mode); - if (error == 0) - acl = NULL; } break; @@ -230,7 +230,7 @@ static int __f2fs_set_acl(struct inode *inode, int type, } if (acl) { - value = f2fs_acl_to_disk(acl, &size); + value = f2fs_acl_to_disk(F2FS_I_SB(inode), acl, &size); if (IS_ERR(value)) { clear_inode_flag(inode, FI_ACL_MODE); return (int)PTR_ERR(value); diff --git a/fs/f2fs/acl.h b/fs/f2fs/acl.h index b2334d11dae8..2c685185c24d 100644 --- a/fs/f2fs/acl.h +++ b/fs/f2fs/acl.h @@ -41,7 +41,6 @@ extern int f2fs_set_acl(struct inode *, struct posix_acl *, int); extern int f2fs_init_acl(struct inode *, struct inode *, struct page *, struct page *); #else -#define f2fs_check_acl NULL #define f2fs_get_acl NULL #define f2fs_set_acl NULL diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index f94d01e7d001..7e9b504bd8b2 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -28,7 +28,7 @@ struct kmem_cache *inode_entry_slab; void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io) { - set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG); + set_ckpt_flags(sbi, CP_ERROR_FLAG); sbi->sb->s_flags |= MS_RDONLY; if (!end_io) f2fs_flush_merged_bios(sbi); @@ -267,7 +267,6 @@ static int f2fs_write_meta_pages(struct address_space *mapping, struct writeback_control *wbc) { struct f2fs_sb_info *sbi = F2FS_M_SB(mapping); - struct blk_plug plug; long diff, written; /* collect a number of dirty meta pages and write together */ @@ -280,9 +279,7 @@ static int f2fs_write_meta_pages(struct address_space *mapping, /* if mounting is failed, skip writing node pages */ mutex_lock(&sbi->cp_mutex); diff = nr_pages_to_write(sbi, META, wbc); - blk_start_plug(&plug); written = sync_meta_pages(sbi, META, wbc->nr_to_write); - blk_finish_plug(&plug); mutex_unlock(&sbi->cp_mutex); wbc->nr_to_write = max((long)0, wbc->nr_to_write - written - diff); return 0; @@ -388,6 +385,9 @@ const struct address_space_operations f2fs_meta_aops = { .set_page_dirty = f2fs_set_meta_page_dirty, .invalidatepage = f2fs_invalidate_page, .releasepage = f2fs_release_page, +#ifdef CONFIG_MIGRATION + .migratepage = f2fs_migrate_page, +#endif }; static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type) @@ -491,7 +491,7 @@ int acquire_orphan_inode(struct f2fs_sb_info *sbi) spin_lock(&im->ino_lock); #ifdef CONFIG_F2FS_FAULT_INJECTION - if (time_to_inject(FAULT_ORPHAN)) { + if (time_to_inject(sbi, FAULT_ORPHAN)) { spin_unlock(&im->ino_lock); return -ENOSPC; } @@ -531,8 +531,20 @@ void remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino) 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); + + if (err) { + set_sbi_flag(sbi, SBI_NEED_FSCK); + f2fs_msg(sbi->sb, KERN_WARNING, + "%s: orphan failed (ino=%x), run fsck to fix.", + __func__, ino); + return err; + } - inode = f2fs_iget(sbi->sb, ino); + __add_ino_entry(sbi, ino, ORPHAN_INO); + + inode = f2fs_iget_retry(sbi->sb, ino); if (IS_ERR(inode)) { /* * there should be a bug that we can't find the entry @@ -546,6 +558,18 @@ static int recover_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino) /* truncate all the data during iput */ iput(inode); + + get_node_info(sbi, ino, &ni); + + /* ENOMEM was fully retried in f2fs_evict_inode. */ + if (ni.blk_addr != NULL_ADDR) { + set_sbi_flag(sbi, SBI_NEED_FSCK); + f2fs_msg(sbi->sb, KERN_WARNING, + "%s: orphan failed (ino=%x), run fsck to fix.", + __func__, ino); + return -EIO; + } + __remove_ino_entry(sbi, ino, ORPHAN_INO); return 0; } @@ -554,7 +578,7 @@ int recover_orphan_inodes(struct f2fs_sb_info *sbi) block_t start_blk, orphan_blocks, i, j; int err; - if (!is_set_ckpt_flags(F2FS_CKPT(sbi), CP_ORPHAN_PRESENT_FLAG)) + if (!is_set_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG)) return 0; start_blk = __start_cp_addr(sbi) + 1 + __cp_payload(sbi); @@ -578,7 +602,7 @@ int recover_orphan_inodes(struct f2fs_sb_info *sbi) f2fs_put_page(page, 1); } /* clear Orphan Flag */ - clear_ckpt_flags(F2FS_CKPT(sbi), CP_ORPHAN_PRESENT_FLAG); + clear_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG); return 0; } @@ -639,45 +663,55 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk) } } -static struct page *validate_checkpoint(struct f2fs_sb_info *sbi, - block_t cp_addr, unsigned long long *version) +static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr, + struct f2fs_checkpoint **cp_block, struct page **cp_page, + unsigned long long *version) { - struct page *cp_page_1, *cp_page_2 = NULL; unsigned long blk_size = sbi->blocksize; - struct f2fs_checkpoint *cp_block; - unsigned long long cur_version = 0, pre_version = 0; - size_t crc_offset; + size_t crc_offset = 0; __u32 crc = 0; - /* Read the 1st cp block in this CP pack */ - cp_page_1 = get_meta_page(sbi, cp_addr); + *cp_page = get_meta_page(sbi, cp_addr); + *cp_block = (struct f2fs_checkpoint *)page_address(*cp_page); - /* get the version number */ - cp_block = (struct f2fs_checkpoint *)page_address(cp_page_1); - crc_offset = le32_to_cpu(cp_block->checksum_offset); - if (crc_offset >= blk_size) - goto invalid_cp1; + crc_offset = le32_to_cpu((*cp_block)->checksum_offset); + if (crc_offset >= blk_size) { + f2fs_msg(sbi->sb, KERN_WARNING, + "invalid crc_offset: %zu", crc_offset); + return -EINVAL; + } - crc = le32_to_cpu(*((__le32 *)((unsigned char *)cp_block + crc_offset))); - if (!f2fs_crc_valid(sbi, crc, cp_block, crc_offset)) - goto invalid_cp1; + crc = le32_to_cpu(*((__le32 *)((unsigned char *)*cp_block + + crc_offset))); + if (!f2fs_crc_valid(sbi, crc, *cp_block, crc_offset)) { + f2fs_msg(sbi->sb, KERN_WARNING, "invalid crc value"); + return -EINVAL; + } - pre_version = cur_cp_version(cp_block); + *version = cur_cp_version(*cp_block); + return 0; +} - /* Read the 2nd cp block in this CP pack */ - cp_addr += le32_to_cpu(cp_block->cp_pack_total_block_count) - 1; - cp_page_2 = get_meta_page(sbi, cp_addr); +static struct page *validate_checkpoint(struct f2fs_sb_info *sbi, + block_t cp_addr, unsigned long long *version) +{ + struct page *cp_page_1 = NULL, *cp_page_2 = NULL; + struct f2fs_checkpoint *cp_block = NULL; + unsigned long long cur_version = 0, pre_version = 0; + int err; - cp_block = (struct f2fs_checkpoint *)page_address(cp_page_2); - crc_offset = le32_to_cpu(cp_block->checksum_offset); - if (crc_offset >= blk_size) - goto invalid_cp2; + err = get_checkpoint_version(sbi, cp_addr, &cp_block, + &cp_page_1, version); + if (err) + goto invalid_cp1; + pre_version = *version; - crc = le32_to_cpu(*((__le32 *)((unsigned char *)cp_block + crc_offset))); - if (!f2fs_crc_valid(sbi, crc, cp_block, crc_offset)) + cp_addr += le32_to_cpu(cp_block->cp_pack_total_block_count) - 1; + err = get_checkpoint_version(sbi, cp_addr, &cp_block, + &cp_page_2, version); + if (err) goto invalid_cp2; - - cur_version = cur_cp_version(cp_block); + cur_version = *version; if (cur_version == pre_version) { *version = cur_version; @@ -972,10 +1006,40 @@ static void wait_on_all_pages_writeback(struct f2fs_sb_info *sbi) finish_wait(&sbi->cp_wait, &wait); } +static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc) +{ + unsigned long orphan_num = sbi->im[ORPHAN_INO].ino_num; + struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); + + spin_lock(&sbi->cp_lock); + + if (cpc->reason == CP_UMOUNT) + __set_ckpt_flags(ckpt, CP_UMOUNT_FLAG); + else + __clear_ckpt_flags(ckpt, CP_UMOUNT_FLAG); + + if (cpc->reason == CP_FASTBOOT) + __set_ckpt_flags(ckpt, CP_FASTBOOT_FLAG); + else + __clear_ckpt_flags(ckpt, CP_FASTBOOT_FLAG); + + if (orphan_num) + __set_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG); + else + __clear_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG); + + if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) + __set_ckpt_flags(ckpt, CP_FSCK_FLAG); + + /* set this flag to activate crc|cp_ver for recovery */ + __set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG); + + spin_unlock(&sbi->cp_lock); +} + static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) { struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); - struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_WARM_NODE); struct f2fs_nm_info *nm_i = NM_I(sbi); unsigned long orphan_num = sbi->im[ORPHAN_INO].ino_num; nid_t last_nid = nm_i->next_scan_nid; @@ -984,19 +1048,10 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) __u32 crc32 = 0; int i; int cp_payload_blks = __cp_payload(sbi); - block_t discard_blk = NEXT_FREE_BLKADDR(sbi, curseg); - bool invalidate = false; struct super_block *sb = sbi->sb; struct curseg_info *seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); u64 kbytes_written; - /* - * This avoids to conduct wrong roll-forward operations and uses - * metapages, so should be called prior to sync_meta_pages below. - */ - if (!test_opt(sbi, LFS) && discard_next_dnode(sbi, discard_blk)) - invalidate = true; - /* Flush all the NAT/SIT pages */ while (get_pages(sbi, F2FS_DIRTY_META)) { sync_meta_pages(sbi, META, LONG_MAX); @@ -1036,10 +1091,12 @@ 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); + spin_lock(&sbi->cp_lock); if (data_sum_blocks < NR_CURSEG_DATA_TYPE) - set_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG); + __set_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG); else - clear_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG); + __clear_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG); + spin_unlock(&sbi->cp_lock); orphan_blocks = GET_ORPHAN_BLOCKS(orphan_num); ckpt->cp_pack_start_sum = cpu_to_le32(1 + cp_payload_blks + @@ -1054,23 +1111,8 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) cp_payload_blks + data_sum_blocks + orphan_blocks); - if (cpc->reason == CP_UMOUNT) - set_ckpt_flags(ckpt, CP_UMOUNT_FLAG); - else - clear_ckpt_flags(ckpt, CP_UMOUNT_FLAG); - - if (cpc->reason == CP_FASTBOOT) - set_ckpt_flags(ckpt, CP_FASTBOOT_FLAG); - else - clear_ckpt_flags(ckpt, CP_FASTBOOT_FLAG); - - if (orphan_num) - set_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG); - else - clear_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG); - - if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) - set_ckpt_flags(ckpt, CP_FSCK_FLAG); + /* update ckpt flag for checkpoint */ + update_ckpt_flags(sbi, cpc); /* update SIT/NAT bitmap */ get_sit_bitmap(sbi, __bitmap_ptr(sbi, SIT_BITMAP)); @@ -1137,14 +1179,6 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) /* wait for previous submitted meta pages writeback */ wait_on_all_pages_writeback(sbi); - /* - * invalidate meta page which is used temporarily for zeroing out - * block at the end of warm node chain. - */ - if (invalidate) - invalidate_mapping_pages(META_MAPPING(sbi), discard_blk, - discard_blk); - release_ino_entry(sbi, false); if (unlikely(f2fs_cp_error(sbi))) @@ -1152,6 +1186,17 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) clear_prefree_segments(sbi, cpc); clear_sbi_flag(sbi, SBI_IS_DIRTY); + clear_sbi_flag(sbi, SBI_NEED_CP); + + /* + * redirty superblock if metadata like node page or inode cache is + * updated during writing checkpoint. + */ + if (get_pages(sbi, F2FS_DIRTY_NODES) || + get_pages(sbi, F2FS_DIRTY_IMETA)) + set_sbi_flag(sbi, SBI_IS_DIRTY); + + f2fs_bug_on(sbi, get_pages(sbi, F2FS_DIRTY_DENTS)); return 0; } @@ -1190,6 +1235,18 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) f2fs_flush_merged_bios(sbi); + /* this is the case of multiple fstrims without any changes */ + if (cpc->reason == CP_DISCARD && !is_sbi_flag_set(sbi, SBI_IS_DIRTY)) { + f2fs_bug_on(sbi, NM_I(sbi)->dirty_nat_cnt); + f2fs_bug_on(sbi, SIT_I(sbi)->dirty_sentries); + f2fs_bug_on(sbi, prefree_segments(sbi)); + flush_sit_entries(sbi, cpc); + clear_prefree_segments(sbi, cpc); + f2fs_wait_all_discard_bio(sbi); + unblock_operations(sbi); + goto out; + } + /* * update checkpoint pack index * Increase the version number so that @@ -1205,6 +1262,8 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) /* unlock all the fs_lock[] in do_checkpoint() */ err = do_checkpoint(sbi, cpc); + f2fs_wait_all_discard_bio(sbi); + unblock_operations(sbi); stat_inc_cp_count(sbi->stat_info); diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index ccb401eebc11..0d0177c9149c 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -34,6 +34,11 @@ static void f2fs_read_end_io(struct bio *bio) struct bio_vec *bvec; int i; +#ifdef CONFIG_F2FS_FAULT_INJECTION + if (time_to_inject(F2FS_P_SB(bio->bi_io_vec->bv_page), FAULT_IO)) + bio->bi_error = -EIO; +#endif + if (f2fs_bio_encrypted(bio)) { if (bio->bi_error) { fscrypt_release_ctx(bio->bi_private); @@ -626,11 +631,13 @@ ssize_t f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from) ssize_t ret = 0; map.m_lblk = F2FS_BLK_ALIGN(iocb->ki_pos); - map.m_len = F2FS_BYTES_TO_BLK(iov_iter_count(from)); - map.m_next_pgofs = NULL; + map.m_len = F2FS_BYTES_TO_BLK(iocb->ki_pos + iov_iter_count(from)); + if (map.m_len > map.m_lblk) + map.m_len -= map.m_lblk; + else + map.m_len = 0; - if (f2fs_encrypted_inode(inode)) - return 0; + map.m_next_pgofs = NULL; if (iocb->ki_flags & IOCB_DIRECT) { ret = f2fs_convert_inline_inode(inode); @@ -672,6 +679,9 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, bool allocated = false; block_t blkaddr; + if (!maxblocks) + return 0; + map->m_len = 0; map->m_flags = 0; @@ -783,6 +793,7 @@ skip: err = reserve_new_blocks(&dn, prealloc); if (err) goto sync_out; + allocated = dn.node_changed; map->m_len += dn.ofs_in_node - ofs_in_node; if (prealloc && dn.ofs_in_node != last_ofs_in_node + 1) { @@ -966,8 +977,8 @@ out: return ret; } -struct bio *f2fs_grab_bio(struct inode *inode, block_t blkaddr, - unsigned nr_pages) +static struct bio *f2fs_grab_bio(struct inode *inode, block_t blkaddr, + unsigned nr_pages) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct fscrypt_ctx *ctx = NULL; @@ -1284,7 +1295,7 @@ write: if (!wbc->for_reclaim) need_balance_fs = true; - else if (has_not_enough_free_secs(sbi, 0)) + else if (has_not_enough_free_secs(sbi, 0, 0)) goto redirty_out; err = -EAGAIN; @@ -1344,6 +1355,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping, int cycled; int range_whole = 0; int tag; + int nwritten = 0; pagevec_init(&pvec, 0); @@ -1418,6 +1430,8 @@ continue_unlock: done_index = page->index + 1; done = 1; break; + } else { + nwritten++; } if (--wbc->nr_to_write <= 0 && @@ -1439,6 +1453,10 @@ continue_unlock: if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) mapping->writeback_index = done_index; + if (nwritten) + f2fs_submit_merged_bio_cond(F2FS_M_SB(mapping), mapping->host, + NULL, 0, DATA, WRITE); + return ret; } @@ -1480,7 +1498,6 @@ static int f2fs_write_data_pages(struct address_space *mapping, * if some pages were truncated, we cannot guarantee its mapping->host * to detect pending bios. */ - f2fs_submit_merged_bio(sbi, DATA, WRITE); remove_dirty_inode(inode); return ret; @@ -1518,8 +1535,7 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi, * we already allocated all the blocks, so we don't need to get * the block addresses when there is no need to fill the page. */ - if (!f2fs_has_inline_data(inode) && !f2fs_encrypted_inode(inode) && - len == PAGE_SIZE) + if (!f2fs_has_inline_data(inode) && len == PAGE_SIZE) return 0; if (f2fs_has_inline_data(inode) || @@ -1616,7 +1632,7 @@ repeat: if (err) goto fail; - if (need_balance && has_not_enough_free_secs(sbi, 0)) { + if (need_balance && has_not_enough_free_secs(sbi, 0, 0)) { unlock_page(page); f2fs_balance_fs(sbi, true); lock_page(page); @@ -1633,22 +1649,12 @@ repeat: if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode)) f2fs_wait_on_encrypted_page_writeback(sbi, blkaddr); - if (len == PAGE_SIZE) - goto out_update; - if (PageUptodate(page)) - goto out_clear; - - if ((pos & PAGE_MASK) >= i_size_read(inode)) { - unsigned start = pos & (PAGE_SIZE - 1); - unsigned end = start + len; - - /* Reading beyond i_size is simple: memset to zero */ - zero_user_segments(page, 0, start, end, PAGE_SIZE); - goto out_update; - } + if (len == PAGE_SIZE || PageUptodate(page)) + return 0; if (blkaddr == NEW_ADDR) { zero_user_segment(page, 0, PAGE_SIZE); + SetPageUptodate(page); } else { struct bio *bio; @@ -1676,11 +1682,6 @@ repeat: goto fail; } } -out_update: - if (!PageUptodate(page)) - SetPageUptodate(page); -out_clear: - clear_cold_data(page); return 0; fail: @@ -1698,11 +1699,26 @@ static int f2fs_write_end(struct file *file, trace_f2fs_write_end(inode, pos, len, copied); + /* + * This should be come from len == PAGE_SIZE, and we expect copied + * should be PAGE_SIZE. Otherwise, we treat it with zero copied and + * let generic_perform_write() try to copy data again through copied=0. + */ + if (!PageUptodate(page)) { + if (unlikely(copied != PAGE_SIZE)) + copied = 0; + else + SetPageUptodate(page); + } + if (!copied) + goto unlock_out; + set_page_dirty(page); + clear_cold_data(page); if (pos + copied > i_size_read(inode)) f2fs_i_size_write(inode, pos + copied); - +unlock_out: f2fs_put_page(page, 1); f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); return copied; @@ -1873,6 +1889,58 @@ static sector_t f2fs_bmap(struct address_space *mapping, sector_t block) return generic_block_bmap(mapping, block, get_data_block_bmap); } +#ifdef CONFIG_MIGRATION +#include <linux/migrate.h> + +int f2fs_migrate_page(struct address_space *mapping, + struct page *newpage, struct page *page, enum migrate_mode mode) +{ + int rc, extra_count; + struct f2fs_inode_info *fi = F2FS_I(mapping->host); + bool atomic_written = IS_ATOMIC_WRITTEN_PAGE(page); + + BUG_ON(PageWriteback(page)); + + /* migrating an atomic written page is safe with the inmem_lock hold */ + if (atomic_written && !mutex_trylock(&fi->inmem_lock)) + return -EAGAIN; + + /* + * A reference is expected if PagePrivate set when move mapping, + * however F2FS breaks this for maintaining dirty page counts when + * truncating pages. So here adjusting the 'extra_count' make it work. + */ + extra_count = (atomic_written ? 1 : 0) - page_has_private(page); + rc = migrate_page_move_mapping(mapping, newpage, + page, NULL, mode, extra_count); + if (rc != MIGRATEPAGE_SUCCESS) { + if (atomic_written) + mutex_unlock(&fi->inmem_lock); + return rc; + } + + if (atomic_written) { + struct inmem_pages *cur; + list_for_each_entry(cur, &fi->inmem_pages, list) + if (cur->page == page) { + cur->page = newpage; + break; + } + mutex_unlock(&fi->inmem_lock); + put_page(page); + get_page(newpage); + } + + if (PagePrivate(page)) + SetPagePrivate(newpage); + set_page_private(newpage, page_private(page)); + + migrate_page_copy(newpage, page); + + return MIGRATEPAGE_SUCCESS; +} +#endif + const struct address_space_operations f2fs_dblock_aops = { .readpage = f2fs_read_data_page, .readpages = f2fs_read_data_pages, @@ -1885,4 +1953,7 @@ const struct address_space_operations f2fs_dblock_aops = { .releasepage = f2fs_release_page, .direct_IO = f2fs_direct_IO, .bmap = f2fs_bmap, +#ifdef CONFIG_MIGRATION + .migratepage = f2fs_migrate_page, +#endif }; diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index badd407bb622..fb245bd302e4 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -45,6 +45,7 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS); si->ndirty_meta = get_pages(sbi, F2FS_DIRTY_META); si->ndirty_data = get_pages(sbi, F2FS_DIRTY_DATA); + si->ndirty_imeta = get_pages(sbi, F2FS_DIRTY_IMETA); si->ndirty_dirs = sbi->ndirty_inode[DIR_INODE]; si->ndirty_files = sbi->ndirty_inode[FILE_INODE]; si->ndirty_all = sbi->ndirty_inode[DIRTY_META]; @@ -54,6 +55,7 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->rsvd_segs = reserved_segments(sbi); si->overp_segs = overprovision_segments(sbi); si->valid_count = valid_user_blocks(sbi); + si->discard_blks = discard_blocks(sbi); si->valid_node_count = valid_node_count(sbi); si->valid_inode_count = valid_inode_count(sbi); si->inline_xattr = atomic_read(&sbi->inline_xattr); @@ -154,7 +156,9 @@ static void update_mem_info(struct f2fs_sb_info *sbi) si->base_mem += sizeof(struct sit_info); si->base_mem += MAIN_SEGS(sbi) * sizeof(struct seg_entry); si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi)); - si->base_mem += 3 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); + si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); + if (f2fs_discard_en(sbi)) + si->base_mem += SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); si->base_mem += SIT_VBLOCK_MAP_SIZE; if (sbi->segs_per_sec > 1) si->base_mem += MAIN_SECS(sbi) * sizeof(struct sec_entry); @@ -228,8 +232,13 @@ static int stat_show(struct seq_file *s, void *v) si->ssa_area_segs, si->main_area_segs); seq_printf(s, "(OverProv:%d Resv:%d)]\n\n", si->overp_segs, si->rsvd_segs); - seq_printf(s, "Utilization: %d%% (%d valid blocks)\n", - si->utilization, si->valid_count); + if (test_opt(si->sbi, DISCARD)) + seq_printf(s, "Utilization: %u%% (%u valid blocks, %u discard blocks)\n", + si->utilization, si->valid_count, si->discard_blks); + else + seq_printf(s, "Utilization: %u%% (%u valid blocks)\n", + si->utilization, si->valid_count); + seq_printf(s, " - Node: %u (Inode: %u, ", si->valid_node_count, si->valid_inode_count); seq_printf(s, "Other: %u)\n - Data: %u\n", @@ -311,6 +320,8 @@ static int stat_show(struct seq_file *s, void *v) si->ndirty_data, si->ndirty_files); seq_printf(s, " - meta: %4lld in %4d\n", si->ndirty_meta, si->meta_pages); + seq_printf(s, " - imeta: %4lld\n", + si->ndirty_imeta); seq_printf(s, " - NATs: %9d/%9d\n - SITs: %9d/%9d\n", si->dirty_nats, si->nats, si->dirty_sits, si->sits); seq_printf(s, " - free_nids: %9d\n", diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index 8e5309c532df..369f4513be37 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -37,7 +37,7 @@ static unsigned int bucket_blocks(unsigned int level) return 4; } -unsigned char f2fs_filetype_table[F2FS_FT_MAX] = { +static unsigned char f2fs_filetype_table[F2FS_FT_MAX] = { [F2FS_FT_UNKNOWN] = DT_UNKNOWN, [F2FS_FT_REG_FILE] = DT_REG, [F2FS_FT_DIR] = DT_DIR, @@ -172,7 +172,10 @@ static struct f2fs_dir_entry *find_in_level(struct inode *dir, int max_slots; f2fs_hash_t namehash; - namehash = f2fs_dentry_hash(&name); + if(fname->hash) + namehash = cpu_to_le32(fname->hash); + else + namehash = f2fs_dentry_hash(&name); nbucket = dir_buckets(level, F2FS_I(dir)->i_dir_level); nblock = bucket_blocks(level); @@ -212,31 +215,17 @@ static struct f2fs_dir_entry *find_in_level(struct inode *dir, return de; } -/* - * Find an entry in the specified directory with the wanted name. - * It returns the page where the entry was found (as a parameter - res_page), - * and the entry itself. Page is returned mapped and unlocked. - * Entry is guaranteed to be valid. - */ -struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, - const struct qstr *child, struct page **res_page) +struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, + struct fscrypt_name *fname, struct page **res_page) { unsigned long npages = dir_blocks(dir); struct f2fs_dir_entry *de = NULL; unsigned int max_depth; unsigned int level; - struct fscrypt_name fname; - int err; - - err = fscrypt_setup_filename(dir, child, 1, &fname); - if (err) { - *res_page = ERR_PTR(err); - return NULL; - } if (f2fs_has_inline_dentry(dir)) { *res_page = NULL; - de = find_in_inline_dir(dir, &fname, res_page); + de = find_in_inline_dir(dir, fname, res_page); goto out; } @@ -256,11 +245,35 @@ struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, for (level = 0; level < max_depth; level++) { *res_page = NULL; - de = find_in_level(dir, level, &fname, res_page); + de = find_in_level(dir, level, fname, res_page); if (de || IS_ERR(*res_page)) break; } out: + return de; +} + +/* + * Find an entry in the specified directory with the wanted name. + * It returns the page where the entry was found (as a parameter - res_page), + * and the entry itself. Page is returned mapped and unlocked. + * Entry is guaranteed to be valid. + */ +struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, + const struct qstr *child, struct page **res_page) +{ + struct f2fs_dir_entry *de = NULL; + struct fscrypt_name fname; + int err; + + err = fscrypt_setup_filename(dir, child, 1, &fname); + if (err) { + *res_page = ERR_PTR(err); + return NULL; + } + + de = __f2fs_find_entry(dir, &fname, res_page); + fscrypt_free_filename(&fname); return de; } @@ -375,7 +388,8 @@ static int make_empty_dir(struct inode *inode, } struct page *init_inode_metadata(struct inode *inode, struct inode *dir, - const struct qstr *name, struct page *dpage) + const struct qstr *new_name, const struct qstr *orig_name, + struct page *dpage) { struct page *page; int err; @@ -400,7 +414,7 @@ struct page *init_inode_metadata(struct inode *inode, struct inode *dir, if (err) goto put_error; - err = f2fs_init_security(inode, dir, name, page); + err = f2fs_init_security(inode, dir, orig_name, page); if (err) goto put_error; @@ -417,8 +431,8 @@ struct page *init_inode_metadata(struct inode *inode, struct inode *dir, set_cold_node(inode, page); } - if (name) - init_dent_inode(name, page); + if (new_name) + init_dent_inode(new_name, page); /* * This file should be checkpointed during fsync. @@ -496,7 +510,7 @@ void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, de->ino = cpu_to_le32(ino); set_de_type(de, mode); for (i = 0; i < slots; i++) { - test_and_set_bit_le(bit_pos + i, (void *)d->bitmap); + __set_bit_le(bit_pos + i, (void *)d->bitmap); /* avoid wrong garbage data for readdir */ if (i) (de + i)->name_len = 0; @@ -504,6 +518,7 @@ 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) { unsigned int bit_pos; @@ -530,7 +545,7 @@ int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name, start: #ifdef CONFIG_F2FS_FAULT_INJECTION - if (time_to_inject(FAULT_DIR_DEPTH)) + if (time_to_inject(F2FS_I_SB(dir), FAULT_DIR_DEPTH)) return -ENOSPC; #endif if (unlikely(current_depth == MAX_DIR_HASH_DEPTH)) @@ -569,7 +584,8 @@ add_dentry: if (inode) { down_write(&F2FS_I(inode)->i_sem); - page = init_inode_metadata(inode, dir, new_name, NULL); + page = init_inode_metadata(inode, dir, new_name, + orig_name, NULL); if (IS_ERR(page)) { err = PTR_ERR(page); goto fail; @@ -599,6 +615,26 @@ fail: return err; } +int __f2fs_do_add_link(struct inode *dir, struct fscrypt_name *fname, + struct inode *inode, nid_t ino, umode_t mode) +{ + struct qstr new_name; + int err = -EAGAIN; + + new_name.name = fname_name(fname); + new_name.len = fname_len(fname); + + if (f2fs_has_inline_dentry(dir)) + err = f2fs_add_inline_entry(dir, &new_name, fname->usr_fname, + inode, ino, mode); + if (err == -EAGAIN) + err = f2fs_add_regular_entry(dir, &new_name, fname->usr_fname, + inode, ino, mode); + + f2fs_update_time(F2FS_I_SB(dir), REQ_TIME); + return err; +} + /* * Caller should grab and release a rwsem by calling f2fs_lock_op() and * f2fs_unlock_op(). @@ -607,24 +643,15 @@ int __f2fs_add_link(struct inode *dir, const struct qstr *name, struct inode *inode, nid_t ino, umode_t mode) { struct fscrypt_name fname; - struct qstr new_name; int err; err = fscrypt_setup_filename(dir, name, 0, &fname); if (err) return err; - new_name.name = fname_name(&fname); - new_name.len = fname_len(&fname); - - err = -EAGAIN; - if (f2fs_has_inline_dentry(dir)) - err = f2fs_add_inline_entry(dir, &new_name, inode, ino, mode); - if (err == -EAGAIN) - err = f2fs_add_regular_entry(dir, &new_name, inode, ino, mode); + err = __f2fs_do_add_link(dir, &fname, inode, ino, mode); fscrypt_free_filename(&fname); - f2fs_update_time(F2FS_I_SB(dir), REQ_TIME); return err; } @@ -634,7 +661,7 @@ 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); + page = init_inode_metadata(inode, dir, NULL, NULL, NULL); if (IS_ERR(page)) { err = PTR_ERR(page); goto fail; @@ -786,19 +813,12 @@ bool f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, if (f2fs_encrypted_inode(d->inode)) { int save_len = fstr->len; - int ret; + int err; - de_name.name = f2fs_kmalloc(de_name.len, GFP_NOFS); - if (!de_name.name) - return false; - - memcpy(de_name.name, d->filename[bit_pos], de_name.len); - - ret = fscrypt_fname_disk_to_usr(d->inode, + err = fscrypt_fname_disk_to_usr(d->inode, (u32)de->hash_code, 0, &de_name, fstr); - kfree(de_name.name); - if (ret < 0) + if (err) return true; de_name = *fstr; diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 14f5fe2b841e..9e8de18a168a 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -46,6 +46,8 @@ enum { FAULT_BLOCK, FAULT_DIR_DEPTH, FAULT_EVICT_INODE, + FAULT_IO, + FAULT_CHECKPOINT, FAULT_MAX, }; @@ -55,40 +57,8 @@ struct f2fs_fault_info { unsigned int inject_type; }; -extern struct f2fs_fault_info f2fs_fault; extern char *fault_name[FAULT_MAX]; -#define IS_FAULT_SET(type) (f2fs_fault.inject_type & (1 << (type))) - -static inline bool time_to_inject(int type) -{ - if (!f2fs_fault.inject_rate) - return false; - if (type == FAULT_KMALLOC && !IS_FAULT_SET(type)) - return false; - else if (type == FAULT_PAGE_ALLOC && !IS_FAULT_SET(type)) - return false; - else if (type == FAULT_ALLOC_NID && !IS_FAULT_SET(type)) - return false; - else if (type == FAULT_ORPHAN && !IS_FAULT_SET(type)) - return false; - else if (type == FAULT_BLOCK && !IS_FAULT_SET(type)) - return false; - else if (type == FAULT_DIR_DEPTH && !IS_FAULT_SET(type)) - return false; - else if (type == FAULT_EVICT_INODE && !IS_FAULT_SET(type)) - return false; - - atomic_inc(&f2fs_fault.inject_ops); - if (atomic_read(&f2fs_fault.inject_ops) >= f2fs_fault.inject_rate) { - atomic_set(&f2fs_fault.inject_ops, 0); - printk("%sF2FS-fs : inject %s in %pF\n", - KERN_INFO, - fault_name[type], - __builtin_return_address(0)); - return true; - } - return false; -} +#define IS_FAULT_SET(fi, type) (fi->inject_type & (1 << (type))) #endif /* @@ -158,7 +128,7 @@ enum { CP_DISCARD, }; -#define DEF_BATCHED_TRIM_SECTIONS 32 +#define DEF_BATCHED_TRIM_SECTIONS 2 #define BATCHED_TRIM_SEGMENTS(sbi) \ (SM_I(sbi)->trim_sections * (sbi)->segs_per_sec) #define BATCHED_TRIM_BLOCKS(sbi) \ @@ -211,6 +181,13 @@ struct discard_entry { int len; /* # of consecutive blocks of the discard */ }; +struct bio_entry { + struct list_head list; + struct bio *bio; + struct completion event; + int error; +}; + /* for the list of fsync inodes, used only during recovery */ struct fsync_inode_entry { struct list_head list; /* list head */ @@ -645,6 +622,7 @@ struct f2fs_sm_info { /* for small discard management */ struct list_head discard_list; /* 4KB discard list */ + struct list_head wait_list; /* linked with issued discard bio */ int nr_discards; /* # of discards in the list */ int max_discards; /* max. discards to be issued */ @@ -748,6 +726,7 @@ enum { SBI_NEED_FSCK, /* need fsck.f2fs to fix */ SBI_POR_DOING, /* recovery is doing or not */ SBI_NEED_SB_WRITE, /* need to recover superblock */ + SBI_NEED_CP, /* need to checkpoint */ }; enum { @@ -765,7 +744,7 @@ struct f2fs_sb_info { struct proc_dir_entry *s_proc; /* proc entry */ struct f2fs_super_block *raw_super; /* raw super block pointer */ int valid_super_block; /* valid super block no */ - int s_flag; /* flags for sbi */ + unsigned long s_flag; /* flags for sbi */ #ifdef CONFIG_F2FS_FS_ENCRYPTION u8 key_prefix[F2FS_KEY_DESC_PREFIX_SIZE]; @@ -785,6 +764,7 @@ struct f2fs_sb_info { /* for checkpoint */ struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ + spinlock_t cp_lock; /* for flag in ckpt */ struct inode *meta_inode; /* cache meta blocks */ struct mutex cp_mutex; /* checkpoint procedure lock */ struct rw_semaphore cp_rwsem; /* blocking FS operations */ @@ -892,8 +872,37 @@ struct f2fs_sb_info { /* Reference to checksum algorithm driver via cryptoapi */ struct crypto_shash *s_chksum_driver; + + /* For fault injection */ +#ifdef CONFIG_F2FS_FAULT_INJECTION + struct f2fs_fault_info fault_info; +#endif }; +#ifdef CONFIG_F2FS_FAULT_INJECTION +static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) +{ + struct f2fs_fault_info *ffi = &sbi->fault_info; + + if (!ffi->inject_rate) + return false; + + if (!IS_FAULT_SET(ffi, type)) + return false; + + atomic_inc(&ffi->inject_ops); + if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { + atomic_set(&ffi->inject_ops, 0); + printk("%sF2FS-fs : inject %s in %pF\n", + KERN_INFO, + fault_name[type], + __builtin_return_address(0)); + return true; + } + return false; +} +#endif + /* For write statistics. Suppose sector size is 512 bytes, * and the return value is in kbytes. s is of struct f2fs_sb_info. */ @@ -1034,17 +1043,17 @@ static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) { - return sbi->s_flag & (0x01 << type); + return test_bit(type, &sbi->s_flag); } static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) { - sbi->s_flag |= (0x01 << type); + set_bit(type, &sbi->s_flag); } static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) { - sbi->s_flag &= ~(0x01 << type); + clear_bit(type, &sbi->s_flag); } static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) @@ -1052,26 +1061,57 @@ static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) return le64_to_cpu(cp->checkpoint_ver); } -static inline bool is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) +static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) { unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); + return ckpt_flags & f; } -static inline void set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) +static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) { - unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); + return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); +} + +static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) +{ + unsigned int ckpt_flags; + + ckpt_flags = le32_to_cpu(cp->ckpt_flags); ckpt_flags |= f; cp->ckpt_flags = cpu_to_le32(ckpt_flags); } -static inline void clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) +static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) { - unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); + spin_lock(&sbi->cp_lock); + __set_ckpt_flags(F2FS_CKPT(sbi), f); + spin_unlock(&sbi->cp_lock); +} + +static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) +{ + unsigned int ckpt_flags; + + ckpt_flags = le32_to_cpu(cp->ckpt_flags); ckpt_flags &= (~f); cp->ckpt_flags = cpu_to_le32(ckpt_flags); } +static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) +{ + spin_lock(&sbi->cp_lock); + __clear_ckpt_flags(F2FS_CKPT(sbi), f); + spin_unlock(&sbi->cp_lock); +} + +static inline bool f2fs_discard_en(struct f2fs_sb_info *sbi) +{ + struct request_queue *q = bdev_get_queue(sbi->sb->s_bdev); + + return blk_queue_discard(q); +} + static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) { down_read(&sbi->cp_rwsem); @@ -1110,8 +1150,8 @@ static inline bool __remain_node_summaries(int reason) static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) { - return (is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG) || - is_set_ckpt_flags(F2FS_CKPT(sbi), CP_FASTBOOT_FLAG)); + return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || + is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); } /* @@ -1151,7 +1191,7 @@ static inline bool inc_valid_block_count(struct f2fs_sb_info *sbi, blkcnt_t diff; #ifdef CONFIG_F2FS_FAULT_INJECTION - if (time_to_inject(FAULT_BLOCK)) + if (time_to_inject(sbi, FAULT_BLOCK)) return false; #endif /* @@ -1193,6 +1233,10 @@ static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) { percpu_counter_inc(&sbi->nr_pages[count_type]); + + if (count_type == F2FS_DIRTY_DATA || count_type == F2FS_INMEM_PAGES) + return; + set_sbi_flag(sbi, SBI_IS_DIRTY); } @@ -1243,6 +1287,11 @@ static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) return sbi->total_valid_block_count; } +static inline block_t discard_blocks(struct f2fs_sb_info *sbi) +{ + return sbi->discard_blks; +} + static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) { struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); @@ -1376,7 +1425,7 @@ static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, if (page) return page; - if (time_to_inject(FAULT_PAGE_ALLOC)) + if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) return NULL; #endif if (!for_write) @@ -1804,7 +1853,7 @@ static inline int f2fs_readonly(struct super_block *sb) static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) { - return is_set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG); + return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); } static inline bool is_dot_dotdot(const struct qstr *str) @@ -1827,10 +1876,11 @@ static inline bool f2fs_may_extent_tree(struct inode *inode) return S_ISREG(inode->i_mode); } -static inline void *f2fs_kmalloc(size_t size, gfp_t flags) +static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, + size_t size, gfp_t flags) { #ifdef CONFIG_F2FS_FAULT_INJECTION - if (time_to_inject(FAULT_KMALLOC)) + if (time_to_inject(sbi, FAULT_KMALLOC)) return NULL; #endif return kmalloc(size, flags); @@ -1885,6 +1935,7 @@ long f2fs_compat_ioctl(struct file *, unsigned int, unsigned long); */ void f2fs_set_inode_flags(struct inode *); struct inode *f2fs_iget(struct super_block *, unsigned long); +struct inode *f2fs_iget_retry(struct super_block *, unsigned long); int try_to_free_nats(struct f2fs_sb_info *, int); int update_inode(struct inode *, struct page *); int update_inode_page(struct inode *); @@ -1900,7 +1951,6 @@ struct dentry *f2fs_get_parent(struct dentry *child); /* * dir.c */ -extern unsigned char f2fs_filetype_table[F2FS_FT_MAX]; void set_de_type(struct f2fs_dir_entry *, umode_t); unsigned char get_de_type(struct f2fs_dir_entry *); struct f2fs_dir_entry *find_target_dentry(struct fscrypt_name *, @@ -1910,10 +1960,12 @@ bool f2fs_fill_dentries(struct dir_context *, struct f2fs_dentry_ptr *, void do_make_empty_dir(struct inode *, struct inode *, struct f2fs_dentry_ptr *); struct page *init_inode_metadata(struct inode *, struct inode *, - const struct qstr *, struct page *); + const struct qstr *, const struct qstr *, struct page *); void update_parent_metadata(struct inode *, struct inode *, unsigned int); int room_for_filename(const void *, int, int); void f2fs_drop_nlink(struct inode *, struct inode *); +struct f2fs_dir_entry *__f2fs_find_entry(struct inode *, struct fscrypt_name *, + struct page **); struct f2fs_dir_entry *f2fs_find_entry(struct inode *, const struct qstr *, struct page **); struct f2fs_dir_entry *f2fs_parent_dir(struct inode *, struct page **); @@ -1924,7 +1976,9 @@ int update_dent_inode(struct inode *, struct inode *, const struct qstr *); void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *, const struct qstr *, f2fs_hash_t , unsigned int); int f2fs_add_regular_entry(struct inode *, const struct qstr *, - struct inode *, nid_t, umode_t); + const struct qstr *, struct inode *, nid_t, umode_t); +int __f2fs_do_add_link(struct inode *, struct fscrypt_name*, struct inode *, + nid_t, umode_t); int __f2fs_add_link(struct inode *, const struct qstr *, struct inode *, nid_t, umode_t); void f2fs_delete_entry(struct f2fs_dir_entry *, struct page *, struct inode *, @@ -2010,9 +2064,9 @@ void destroy_flush_cmd_control(struct f2fs_sb_info *); void invalidate_blocks(struct f2fs_sb_info *, block_t); bool is_checkpointed_data(struct f2fs_sb_info *, block_t); void refresh_sit_entry(struct f2fs_sb_info *, block_t, block_t); +void f2fs_wait_all_discard_bio(struct f2fs_sb_info *); void clear_prefree_segments(struct f2fs_sb_info *, struct cp_control *); void release_discard_addrs(struct f2fs_sb_info *); -bool discard_next_dnode(struct f2fs_sb_info *, block_t); int npages_for_summary_flush(struct f2fs_sb_info *, bool); void allocate_new_segments(struct f2fs_sb_info *); int f2fs_trim_fs(struct f2fs_sb_info *, struct fstrim_range *); @@ -2095,6 +2149,10 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *, u64, u64); void f2fs_set_page_dirty_nobuffers(struct page *); void f2fs_invalidate_page(struct page *, unsigned int, unsigned int); int f2fs_release_page(struct page *, gfp_t); +#ifdef CONFIG_MIGRATION +int f2fs_migrate_page(struct address_space *, struct page *, struct page *, + enum migrate_mode); +#endif /* * gc.c @@ -2123,13 +2181,14 @@ struct f2fs_stat_info { unsigned long long hit_largest, hit_cached, hit_rbtree; unsigned long long hit_total, total_ext; int ext_tree, zombie_tree, ext_node; - s64 ndirty_node, ndirty_dent, ndirty_meta, ndirty_data, inmem_pages; + s64 ndirty_node, ndirty_dent, ndirty_meta, ndirty_data, ndirty_imeta; + s64 inmem_pages; unsigned int ndirty_dirs, ndirty_files, ndirty_all; int nats, dirty_nats, sits, dirty_sits, fnids; int total_count, utilization; int bg_gc, wb_bios; int inline_xattr, inline_inode, inline_dir, orphans; - unsigned int valid_count, valid_node_count, valid_inode_count; + unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; unsigned int bimodal, avg_vblocks; int util_free, util_valid, util_invalid; int rsvd_segs, overp_segs; @@ -2294,8 +2353,8 @@ bool recover_inline_data(struct inode *, struct page *); struct f2fs_dir_entry *find_in_inline_dir(struct inode *, struct fscrypt_name *, struct page **); int make_empty_inline_dir(struct inode *inode, struct inode *, struct page *); -int f2fs_add_inline_entry(struct inode *, const struct qstr *, struct inode *, - nid_t, umode_t); +int f2fs_add_inline_entry(struct inode *, const struct qstr *, + const struct qstr *, struct inode *, nid_t, umode_t); void f2fs_delete_inline_entry(struct f2fs_dir_entry *, struct page *, struct inode *, struct inode *); bool f2fs_empty_inline_dir(struct inode *); diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index b831d7662005..c7865073cd26 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -135,7 +135,7 @@ static inline bool need_do_checkpoint(struct inode *inode) if (!S_ISREG(inode->i_mode) || inode->i_nlink != 1) need_cp = true; - else if (file_enc_name(inode) && need_dentry_mark(sbi, inode->i_ino)) + else if (is_sbi_flag_set(sbi, SBI_NEED_CP)) need_cp = true; else if (file_wrong_pino(inode)) need_cp = true; @@ -523,7 +523,7 @@ static int truncate_partial_data_page(struct inode *inode, u64 from, return 0; if (cache_only) { - page = f2fs_grab_cache_page(mapping, index, false); + page = find_lock_page(mapping, index); if (page && PageUptodate(page)) goto truncate_out; f2fs_put_page(page, 1); @@ -680,7 +680,7 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int err; - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; @@ -732,10 +732,7 @@ const struct inode_operations f2fs_file_inode_operations = { .get_acl = f2fs_get_acl, .set_acl = f2fs_set_acl, #ifdef CONFIG_F2FS_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = f2fs_listxattr, - .removexattr = generic_removexattr, #endif .fiemap = f2fs_fiemap, }; @@ -1454,7 +1451,7 @@ static int f2fs_ioc_setflags(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; + unsigned int flags; unsigned int oldflags; int ret; @@ -1954,7 +1951,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi, * avoid defragment running in SSR mode when free section are allocated * intensively */ - if (has_not_enough_free_secs(sbi, sec_num)) { + if (has_not_enough_free_secs(sbi, 0, sec_num)) { err = -EAGAIN; goto out; } @@ -2085,6 +2082,13 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in, if (f2fs_encrypted_inode(src) || f2fs_encrypted_inode(dst)) return -EOPNOTSUPP; + if (src == dst) { + if (pos_in == pos_out) + return 0; + if (pos_out > pos_in && pos_out < pos_in + len) + return -EINVAL; + } + inode_lock(src); if (src != dst) { if (!inode_trylock(dst)) { @@ -2136,8 +2140,9 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in, f2fs_balance_fs(sbi, true); f2fs_lock_op(sbi); - ret = __exchange_data_block(src, dst, pos_in, - pos_out, len >> F2FS_BLKSIZE_BITS, false); + ret = __exchange_data_block(src, dst, pos_in >> F2FS_BLKSIZE_BITS, + pos_out >> F2FS_BLKSIZE_BITS, + len >> F2FS_BLKSIZE_BITS, false); if (!ret) { if (dst_max_i_size) diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 8f7fa326ce95..93985c64d8a8 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -47,6 +47,11 @@ static int gc_thread_func(void *data) continue; } +#ifdef CONFIG_F2FS_FAULT_INJECTION + if (time_to_inject(sbi, FAULT_CHECKPOINT)) + f2fs_stop_checkpoint(sbi, false); +#endif + /* * [GC triggering condition] * 0. GC is not conducted currently. @@ -96,7 +101,7 @@ int start_gc_thread(struct f2fs_sb_info *sbi) dev_t dev = sbi->sb->s_bdev->bd_dev; int err = 0; - gc_th = f2fs_kmalloc(sizeof(struct f2fs_gc_kthread), GFP_KERNEL); + gc_th = f2fs_kmalloc(sbi, sizeof(struct f2fs_gc_kthread), GFP_KERNEL); if (!gc_th) { err = -ENOMEM; goto out; @@ -270,7 +275,7 @@ static int get_victim_by_default(struct f2fs_sb_info *sbi, { struct dirty_seglist_info *dirty_i = DIRTY_I(sbi); struct victim_sel_policy p; - unsigned int secno, max_cost, last_victim; + unsigned int secno, last_victim; unsigned int last_segment = MAIN_SEGS(sbi); unsigned int nsearched = 0; @@ -280,7 +285,7 @@ static int get_victim_by_default(struct f2fs_sb_info *sbi, select_policy(sbi, gc_type, type, &p); p.min_segno = NULL_SEGNO; - p.min_cost = max_cost = get_max_cost(sbi, &p); + p.min_cost = get_max_cost(sbi, &p); if (p.max_search == 0) goto out; @@ -423,10 +428,10 @@ static int check_valid_map(struct f2fs_sb_info *sbi, static void gc_node_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, unsigned int segno, int gc_type) { - bool initial = true; struct f2fs_summary *entry; block_t start_addr; int off; + int phase = 0; start_addr = START_BLOCK(sbi, segno); @@ -439,16 +444,24 @@ next_step: struct node_info ni; /* stop BG_GC if there is not enough free sections. */ - if (gc_type == BG_GC && has_not_enough_free_secs(sbi, 0)) + if (gc_type == BG_GC && has_not_enough_free_secs(sbi, 0, 0)) return; if (check_valid_map(sbi, segno, off) == 0) continue; - if (initial) { + if (phase == 0) { + ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), 1, + META_NAT, true); + continue; + } + + if (phase == 1) { ra_node_page(sbi, nid); continue; } + + /* phase == 2 */ node_page = get_node_page(sbi, nid); if (IS_ERR(node_page)) continue; @@ -469,10 +482,8 @@ next_step: stat_inc_node_blk_count(sbi, 1, gc_type); } - if (initial) { - initial = false; + if (++phase < 3) goto next_step; - } } /* @@ -706,16 +717,23 @@ next_step: struct node_info dni; /* dnode info for the data */ unsigned int ofs_in_node, nofs; block_t start_bidx; + nid_t nid = le32_to_cpu(entry->nid); /* stop BG_GC if there is not enough free sections. */ - if (gc_type == BG_GC && has_not_enough_free_secs(sbi, 0)) + if (gc_type == BG_GC && has_not_enough_free_secs(sbi, 0, 0)) return; if (check_valid_map(sbi, segno, off) == 0) continue; if (phase == 0) { - ra_node_page(sbi, le32_to_cpu(entry->nid)); + ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), 1, + META_NAT, true); + continue; + } + + if (phase == 1) { + ra_node_page(sbi, nid); continue; } @@ -723,14 +741,14 @@ next_step: if (!is_alive(sbi, entry, &dni, start_addr + off, &nofs)) continue; - if (phase == 1) { + if (phase == 2) { ra_node_page(sbi, dni.ino); continue; } ofs_in_node = le16_to_cpu(entry->ofs_in_node); - if (phase == 2) { + if (phase == 3) { inode = f2fs_iget(sb, dni.ino); if (IS_ERR(inode) || is_bad_inode(inode)) continue; @@ -756,7 +774,7 @@ next_step: continue; } - /* phase 3 */ + /* phase 4 */ inode = find_gc_inode(gc_list, dni.ino); if (inode) { struct f2fs_inode_info *fi = F2FS_I(inode); @@ -789,7 +807,7 @@ next_step: } } - if (++phase < 4) + if (++phase < 5) goto next_step; } @@ -815,7 +833,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, struct blk_plug plug; unsigned int segno = start_segno; unsigned int end_segno = start_segno + sbi->segs_per_sec; - int seg_freed = 0; + int sec_freed = 0; unsigned char type = IS_DATASEG(get_seg_entry(sbi, segno)->type) ? SUM_TYPE_DATA : SUM_TYPE_NODE; @@ -834,8 +852,9 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, for (segno = start_segno; segno < end_segno; segno++) { - if (get_valid_blocks(sbi, segno, 1) == 0) - continue; + if (get_valid_blocks(sbi, segno, 1) == 0 || + unlikely(f2fs_cp_error(sbi))) + goto next; /* find segment summary of victim */ sum_page = find_get_page(META_MAPPING(sbi), @@ -861,7 +880,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, gc_type); stat_inc_seg_count(sbi, type, gc_type); - +next: f2fs_put_page(sum_page, 0); } @@ -871,22 +890,20 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, blk_finish_plug(&plug); - if (gc_type == FG_GC) { - while (start_segno < end_segno) - if (get_valid_blocks(sbi, start_segno++, 1) == 0) - seg_freed++; - } + if (gc_type == FG_GC && + get_valid_blocks(sbi, start_segno, sbi->segs_per_sec) == 0) + sec_freed = 1; stat_inc_call_count(sbi->stat_info); - return seg_freed; + return sec_freed; } int f2fs_gc(struct f2fs_sb_info *sbi, bool sync) { unsigned int segno; int gc_type = sync ? FG_GC : BG_GC; - int sec_freed = 0, seg_freed; + int sec_freed = 0; int ret = -EINVAL; struct cp_control cpc; struct gc_inode_list gc_list = { @@ -905,7 +922,7 @@ gc_more: goto stop; } - if (gc_type == BG_GC && has_not_enough_free_secs(sbi, sec_freed)) { + if (gc_type == BG_GC && has_not_enough_free_secs(sbi, sec_freed, 0)) { gc_type = FG_GC; /* * If there is no victim and no prefree segment but still not @@ -914,10 +931,14 @@ gc_more: */ if (__get_victim(sbi, &segno, gc_type) || prefree_segments(sbi)) { - write_checkpoint(sbi, &cpc); + ret = write_checkpoint(sbi, &cpc); + if (ret) + goto stop; segno = NULL_SEGNO; - } else if (has_not_enough_free_secs(sbi, 0)) { - write_checkpoint(sbi, &cpc); + } else if (has_not_enough_free_secs(sbi, 0, 0)) { + ret = write_checkpoint(sbi, &cpc); + if (ret) + goto stop; } } @@ -925,20 +946,19 @@ gc_more: goto stop; ret = 0; - seg_freed = do_garbage_collect(sbi, segno, &gc_list, gc_type); - - if (gc_type == FG_GC && seg_freed == sbi->segs_per_sec) + if (do_garbage_collect(sbi, segno, &gc_list, gc_type) && + gc_type == FG_GC) sec_freed++; if (gc_type == FG_GC) sbi->cur_victim_sec = NULL_SEGNO; if (!sync) { - if (has_not_enough_free_secs(sbi, sec_freed)) + if (has_not_enough_free_secs(sbi, sec_freed, 0)) goto gc_more; if (gc_type == FG_GC) - write_checkpoint(sbi, &cpc); + ret = write_checkpoint(sbi, &cpc); } stop: mutex_unlock(&sbi->gc_mutex); diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index b4af15b26a12..5f1a67f756af 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -424,7 +424,7 @@ static int f2fs_add_inline_entries(struct inode *dir, ino = le32_to_cpu(de->ino); fake_mode = get_de_type(de) << S_SHIFT; - err = f2fs_add_regular_entry(dir, &new_name, NULL, + err = f2fs_add_regular_entry(dir, &new_name, NULL, NULL, ino, fake_mode); if (err) goto punch_dentry_pages; @@ -445,8 +445,8 @@ static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage, struct f2fs_inline_dentry *backup_dentry; int err; - backup_dentry = f2fs_kmalloc(sizeof(struct f2fs_inline_dentry), - GFP_F2FS_ZERO); + backup_dentry = f2fs_kmalloc(F2FS_I_SB(dir), + sizeof(struct f2fs_inline_dentry), GFP_F2FS_ZERO); if (!backup_dentry) { f2fs_put_page(ipage, 1); return -ENOMEM; @@ -488,17 +488,17 @@ static int f2fs_convert_inline_dir(struct inode *dir, struct page *ipage, return f2fs_move_rehashed_dirents(dir, ipage, inline_dentry); } -int f2fs_add_inline_entry(struct inode *dir, const struct qstr *name, - struct inode *inode, nid_t ino, umode_t mode) +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) { struct f2fs_sb_info *sbi = F2FS_I_SB(dir); struct page *ipage; unsigned int bit_pos; f2fs_hash_t name_hash; - size_t namelen = name->len; struct f2fs_inline_dentry *dentry_blk = NULL; struct f2fs_dentry_ptr d; - int slots = GET_DENTRY_SLOTS(namelen); + int slots = GET_DENTRY_SLOTS(new_name->len); struct page *page = NULL; int err = 0; @@ -519,18 +519,21 @@ int f2fs_add_inline_entry(struct inode *dir, const struct qstr *name, if (inode) { down_write(&F2FS_I(inode)->i_sem); - page = init_inode_metadata(inode, dir, name, ipage); + page = init_inode_metadata(inode, dir, new_name, + orig_name, ipage); if (IS_ERR(page)) { err = PTR_ERR(page); goto fail; } + if (f2fs_encrypted_inode(dir)) + file_set_enc_name(inode); } f2fs_wait_on_page_writeback(ipage, NODE, true); - name_hash = f2fs_dentry_hash(name); + name_hash = f2fs_dentry_hash(new_name); make_dentry_ptr(NULL, &d, (void *)dentry_blk, 2); - f2fs_update_dentry(ino, mode, &d, name, name_hash, bit_pos); + f2fs_update_dentry(ino, mode, &d, new_name, name_hash, bit_pos); set_page_dirty(ipage); @@ -563,7 +566,7 @@ void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page, inline_dentry = inline_data_addr(page); bit_pos = dentry - inline_dentry->dentry; for (i = 0; i < slots; i++) - test_and_clear_bit_le(bit_pos + i, + __clear_bit_le(bit_pos + i, &inline_dentry->dentry_bitmap); set_page_dirty(page); diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 9ac5efc15347..d7369895a78a 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -11,6 +11,7 @@ #include <linux/fs.h> #include <linux/f2fs_fs.h> #include <linux/buffer_head.h> +#include <linux/backing-dev.h> #include <linux/writeback.h> #include "f2fs.h" @@ -234,6 +235,20 @@ bad_inode: return ERR_PTR(ret); } +struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino) +{ + struct inode *inode; +retry: + inode = f2fs_iget(sb, ino); + if (IS_ERR(inode)) { + if (PTR_ERR(inode) == -ENOMEM) { + congestion_wait(BLK_RW_ASYNC, HZ/50); + goto retry; + } + } + return inode; +} + int update_inode(struct inode *inode, struct page *node_page) { struct f2fs_inode *ri; @@ -354,7 +369,7 @@ void f2fs_evict_inode(struct inode *inode) goto no_delete; #ifdef CONFIG_F2FS_FAULT_INJECTION - if (time_to_inject(FAULT_EVICT_INODE)) + if (time_to_inject(sbi, FAULT_EVICT_INODE)) goto no_delete; #endif diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 71e36a780c90..489fa0d5f914 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -91,18 +91,23 @@ static int is_multimedia_file(const unsigned char *s, const char *sub) { size_t slen = strlen(s); size_t sublen = strlen(sub); + int i; /* * filename format of multimedia file should be defined as: - * "filename + '.' + extension". + * "filename + '.' + extension + (optional: '.' + temp extension)". */ if (slen < sublen + 2) return 0; - if (s[slen - sublen - 1] != '.') - return 0; + for (i = 1; i < slen - sublen; i++) { + if (s[i] != '.') + continue; + if (!strncasecmp(s + i + 1, sub, sublen)) + return 1; + } - return !strncasecmp(s + slen - sublen, sub, sublen); + return 0; } /* @@ -449,7 +454,7 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry, ostr.name = sd->encrypted_path; ostr.len = disk_link.len; err = fscrypt_fname_usr_to_disk(inode, &istr, &ostr); - if (err < 0) + if (err) goto err_out; sd->len = cpu_to_le16(ostr.len); @@ -1010,7 +1015,6 @@ static const char *f2fs_encrypted_get_link(struct dentry *dentry, struct fscrypt_str cstr = FSTR_INIT(NULL, 0); struct fscrypt_str pstr = FSTR_INIT(NULL, 0); struct fscrypt_symlink_data *sd; - loff_t size = min_t(loff_t, i_size_read(inode), PAGE_SIZE - 1); u32 max_size = inode->i_sb->s_blocksize; int res; @@ -1025,7 +1029,6 @@ static const char *f2fs_encrypted_get_link(struct dentry *dentry, if (IS_ERR(cpage)) return ERR_CAST(cpage); caddr = page_address(cpage); - caddr[size] = 0; /* Symlink is encrypted */ sd = (struct fscrypt_symlink_data *)caddr; @@ -1048,7 +1051,7 @@ static const char *f2fs_encrypted_get_link(struct dentry *dentry, goto errout; res = fscrypt_fname_disk_to_usr(inode, 0, 0, &cstr, &pstr); - if (res < 0) + if (res) goto errout; /* this is broken symlink case */ @@ -1060,7 +1063,7 @@ static const char *f2fs_encrypted_get_link(struct dentry *dentry, paddr = pstr.name; /* Null-terminate the name */ - paddr[res] = '\0'; + paddr[pstr.len] = '\0'; put_page(cpage); set_delayed_call(done, kfree_link, paddr); @@ -1077,10 +1080,7 @@ const struct inode_operations f2fs_encrypted_symlink_inode_operations = { .getattr = f2fs_getattr, .setattr = f2fs_setattr, #ifdef CONFIG_F2FS_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = f2fs_listxattr, - .removexattr = generic_removexattr, #endif }; @@ -1100,10 +1100,7 @@ const struct inode_operations f2fs_dir_inode_operations = { .get_acl = f2fs_get_acl, .set_acl = f2fs_set_acl, #ifdef CONFIG_F2FS_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = f2fs_listxattr, - .removexattr = generic_removexattr, #endif }; @@ -1113,10 +1110,7 @@ const struct inode_operations f2fs_symlink_inode_operations = { .getattr = f2fs_getattr, .setattr = f2fs_setattr, #ifdef CONFIG_F2FS_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = f2fs_listxattr, - .removexattr = generic_removexattr, #endif }; @@ -1126,9 +1120,6 @@ const struct inode_operations f2fs_special_inode_operations = { .get_acl = f2fs_get_acl, .set_acl = f2fs_set_acl, #ifdef CONFIG_F2FS_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = f2fs_listxattr, - .removexattr = generic_removexattr, #endif }; diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index f75d197d5beb..01177ecdeab8 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -54,8 +54,6 @@ bool available_free_memory(struct f2fs_sb_info *sbi, int type) res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 2); if (excess_cached_nats(sbi)) res = false; - if (nm_i->nat_cnt > DEF_NAT_CACHE_THRESHOLD) - res = false; } else if (type == DIRTY_DENTS) { if (sbi->sb->s_bdi->wb.dirty_exceeded) return false; @@ -1314,6 +1312,7 @@ int fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, struct page *last_page = NULL; bool marked = false; nid_t ino = inode->i_ino; + int nwritten = 0; if (atomic) { last_page = last_fsync_dnode(sbi, ino); @@ -1387,7 +1386,10 @@ continue_unlock: unlock_page(page); f2fs_put_page(last_page, 0); break; + } else { + nwritten++; } + if (page == last_page) { f2fs_put_page(page, 0); marked = true; @@ -1409,6 +1411,9 @@ continue_unlock: unlock_page(last_page); goto retry; } + + if (nwritten) + f2fs_submit_merged_bio_cond(sbi, NULL, NULL, ino, NODE, WRITE); return ret ? -EIO: 0; } @@ -1418,6 +1423,7 @@ int sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc) struct pagevec pvec; int step = 0; int nwritten = 0; + int ret = 0; pagevec_init(&pvec, 0); @@ -1438,7 +1444,8 @@ next_step: if (unlikely(f2fs_cp_error(sbi))) { pagevec_release(&pvec); - return -EIO; + ret = -EIO; + goto out; } /* @@ -1489,6 +1496,8 @@ continue_unlock: if (NODE_MAPPING(sbi)->a_ops->writepage(page, wbc)) unlock_page(page); + else + nwritten++; if (--wbc->nr_to_write == 0) break; @@ -1506,14 +1515,17 @@ continue_unlock: step++; goto next_step; } - return nwritten; +out: + if (nwritten) + f2fs_submit_merged_bio(sbi, NODE, WRITE); + return ret; } int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino) { pgoff_t index = 0, end = ULONG_MAX; struct pagevec pvec; - int ret2 = 0, ret = 0; + int ret2, ret = 0; pagevec_init(&pvec, 0); @@ -1542,10 +1554,7 @@ int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino) cond_resched(); } - if (unlikely(test_and_clear_bit(AS_ENOSPC, &NODE_MAPPING(sbi)->flags))) - ret2 = -ENOSPC; - if (unlikely(test_and_clear_bit(AS_EIO, &NODE_MAPPING(sbi)->flags))) - ret2 = -EIO; + ret2 = filemap_check_errors(NODE_MAPPING(sbi)); if (!ret) ret = ret2; return ret; @@ -1672,6 +1681,9 @@ const struct address_space_operations f2fs_node_aops = { .set_page_dirty = f2fs_set_node_page_dirty, .invalidatepage = f2fs_invalidate_page, .releasepage = f2fs_release_page, +#ifdef CONFIG_MIGRATION + .migratepage = f2fs_migrate_page, +#endif }; static struct free_nid *__lookup_free_nid_list(struct f2fs_nm_info *nm_i, @@ -1838,7 +1850,7 @@ bool alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid) struct free_nid *i = NULL; retry: #ifdef CONFIG_F2FS_FAULT_INJECTION - if (time_to_inject(FAULT_ALLOC_NID)) + if (time_to_inject(sbi, FAULT_ALLOC_NID)) return false; #endif if (unlikely(sbi->total_valid_node_count + 1 > nm_i->available_nids)) @@ -2015,10 +2027,12 @@ int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page) if (unlikely(old_ni.blk_addr != NULL_ADDR)) return -EINVAL; - +retry: ipage = f2fs_grab_cache_page(NODE_MAPPING(sbi), ino, false); - if (!ipage) - return -ENOMEM; + if (!ipage) { + congestion_wait(BLK_RW_ASYNC, HZ/50); + goto retry; + } /* Should not use this inode from free nid list */ remove_free_nid(NM_I(sbi), ino); diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h index fc7684554b1a..868bec65e51c 100644 --- a/fs/f2fs/node.h +++ b/fs/f2fs/node.h @@ -229,6 +229,37 @@ static inline void set_to_next_nat(struct f2fs_nm_info *nm_i, nid_t start_nid) f2fs_change_bit(block_off, nm_i->nat_bitmap); } +static inline nid_t ino_of_node(struct page *node_page) +{ + struct f2fs_node *rn = F2FS_NODE(node_page); + return le32_to_cpu(rn->footer.ino); +} + +static inline nid_t nid_of_node(struct page *node_page) +{ + struct f2fs_node *rn = F2FS_NODE(node_page); + return le32_to_cpu(rn->footer.nid); +} + +static inline unsigned int ofs_of_node(struct page *node_page) +{ + struct f2fs_node *rn = F2FS_NODE(node_page); + unsigned flag = le32_to_cpu(rn->footer.flag); + return flag >> OFFSET_BIT_SHIFT; +} + +static inline __u64 cpver_of_node(struct page *node_page) +{ + struct f2fs_node *rn = F2FS_NODE(node_page); + return le64_to_cpu(rn->footer.cp_ver); +} + +static inline block_t next_blkaddr_of_node(struct page *node_page) +{ + struct f2fs_node *rn = F2FS_NODE(node_page); + return le32_to_cpu(rn->footer.next_blkaddr); +} + static inline void fill_node_footer(struct page *page, nid_t nid, nid_t ino, unsigned int ofs, bool reset) { @@ -259,40 +290,30 @@ static inline void fill_node_footer_blkaddr(struct page *page, block_t blkaddr) { struct f2fs_checkpoint *ckpt = F2FS_CKPT(F2FS_P_SB(page)); struct f2fs_node *rn = F2FS_NODE(page); + size_t crc_offset = le32_to_cpu(ckpt->checksum_offset); + __u64 cp_ver = le64_to_cpu(ckpt->checkpoint_ver); - rn->footer.cp_ver = ckpt->checkpoint_ver; + if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) { + __u64 crc = le32_to_cpu(*((__le32 *) + ((unsigned char *)ckpt + crc_offset))); + cp_ver |= (crc << 32); + } + rn->footer.cp_ver = cpu_to_le64(cp_ver); rn->footer.next_blkaddr = cpu_to_le32(blkaddr); } -static inline nid_t ino_of_node(struct page *node_page) -{ - struct f2fs_node *rn = F2FS_NODE(node_page); - return le32_to_cpu(rn->footer.ino); -} - -static inline nid_t nid_of_node(struct page *node_page) +static inline bool is_recoverable_dnode(struct page *page) { - struct f2fs_node *rn = F2FS_NODE(node_page); - return le32_to_cpu(rn->footer.nid); -} - -static inline unsigned int ofs_of_node(struct page *node_page) -{ - struct f2fs_node *rn = F2FS_NODE(node_page); - unsigned flag = le32_to_cpu(rn->footer.flag); - return flag >> OFFSET_BIT_SHIFT; -} - -static inline unsigned long long cpver_of_node(struct page *node_page) -{ - struct f2fs_node *rn = F2FS_NODE(node_page); - return le64_to_cpu(rn->footer.cp_ver); -} + struct f2fs_checkpoint *ckpt = F2FS_CKPT(F2FS_P_SB(page)); + size_t crc_offset = le32_to_cpu(ckpt->checksum_offset); + __u64 cp_ver = cur_cp_version(ckpt); -static inline block_t next_blkaddr_of_node(struct page *node_page) -{ - struct f2fs_node *rn = F2FS_NODE(node_page); - return le32_to_cpu(rn->footer.next_blkaddr); + if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) { + __u64 crc = le32_to_cpu(*((__le32 *) + ((unsigned char *)ckpt + crc_offset))); + cp_ver |= (crc << 32); + } + return cpu_to_le64(cp_ver) == cpver_of_node(page); } /* diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index 9e652d5a659b..2fc84a991325 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -68,15 +68,17 @@ static struct fsync_inode_entry *get_fsync_inode(struct list_head *head, return NULL; } -static struct fsync_inode_entry *add_fsync_inode(struct list_head *head, - struct inode *inode) +static struct fsync_inode_entry *add_fsync_inode(struct f2fs_sb_info *sbi, + struct list_head *head, nid_t ino) { + struct inode *inode; struct fsync_inode_entry *entry; - entry = kmem_cache_alloc(fsync_entry_slab, GFP_F2FS_ZERO); - if (!entry) - return NULL; + inode = f2fs_iget_retry(sbi->sb, ino); + if (IS_ERR(inode)) + return ERR_CAST(inode); + entry = f2fs_kmem_cache_alloc(fsync_entry_slab, GFP_F2FS_ZERO); entry->inode = inode; list_add_tail(&entry->list, head); @@ -96,48 +98,41 @@ static int recover_dentry(struct inode *inode, struct page *ipage, struct f2fs_inode *raw_inode = F2FS_INODE(ipage); nid_t pino = le32_to_cpu(raw_inode->i_pino); struct f2fs_dir_entry *de; - struct qstr name; + struct fscrypt_name fname; struct page *page; struct inode *dir, *einode; struct fsync_inode_entry *entry; int err = 0; + char *name; entry = get_fsync_inode(dir_list, pino); if (!entry) { - dir = f2fs_iget(inode->i_sb, pino); - if (IS_ERR(dir)) { - err = PTR_ERR(dir); - goto out; - } - - entry = add_fsync_inode(dir_list, dir); - if (!entry) { - err = -ENOMEM; - iput(dir); + entry = add_fsync_inode(F2FS_I_SB(inode), dir_list, pino); + if (IS_ERR(entry)) { + dir = ERR_CAST(entry); + err = PTR_ERR(entry); goto out; } } dir = entry->inode; - if (file_enc_name(inode)) - return 0; + memset(&fname, 0, sizeof(struct fscrypt_name)); + fname.disk_name.len = le32_to_cpu(raw_inode->i_namelen); + fname.disk_name.name = raw_inode->i_name; - name.len = le32_to_cpu(raw_inode->i_namelen); - name.name = raw_inode->i_name; - - if (unlikely(name.len > F2FS_NAME_LEN)) { + if (unlikely(fname.disk_name.len > F2FS_NAME_LEN)) { WARN_ON(1); err = -ENAMETOOLONG; goto out; } retry: - de = f2fs_find_entry(dir, &name, &page); + de = __f2fs_find_entry(dir, &fname, &page); if (de && inode->i_ino == le32_to_cpu(de->ino)) goto out_unmap_put; if (de) { - einode = f2fs_iget(inode->i_sb, le32_to_cpu(de->ino)); + einode = f2fs_iget_retry(inode->i_sb, le32_to_cpu(de->ino)); if (IS_ERR(einode)) { WARN_ON(1); err = PTR_ERR(einode); @@ -156,18 +151,24 @@ retry: } else if (IS_ERR(page)) { err = PTR_ERR(page); } else { - err = __f2fs_add_link(dir, &name, inode, + err = __f2fs_do_add_link(dir, &fname, inode, inode->i_ino, inode->i_mode); } + if (err == -ENOMEM) + goto retry; goto out; out_unmap_put: f2fs_dentry_kunmap(dir, page); f2fs_put_page(page, 0); out: + if (file_enc_name(inode)) + name = "<encrypted>"; + else + name = raw_inode->i_name; f2fs_msg(inode->i_sb, KERN_NOTICE, "%s: ino = %x, name = %s, dir = %lx, err = %d", - __func__, ino_of_node(ipage), raw_inode->i_name, + __func__, ino_of_node(ipage), name, IS_ERR(dir) ? 0 : dir->i_ino, err); return err; } @@ -223,9 +224,7 @@ static bool is_same_inode(struct inode *inode, struct page *ipage) static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head) { - unsigned long long cp_ver = cur_cp_version(F2FS_CKPT(sbi)); struct curseg_info *curseg; - struct inode *inode; struct page *page = NULL; block_t blkaddr; int err = 0; @@ -242,7 +241,7 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head) page = get_tmp_page(sbi, blkaddr); - if (cp_ver != cpver_of_node(page)) + if (!is_recoverable_dnode(page)) break; if (!is_fsync_dnode(page)) @@ -263,23 +262,15 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head) * CP | dnode(F) | inode(DF) * For this case, we should not give up now. */ - inode = f2fs_iget(sbi->sb, ino_of_node(page)); - if (IS_ERR(inode)) { - err = PTR_ERR(inode); + entry = add_fsync_inode(sbi, head, ino_of_node(page)); + if (IS_ERR(entry)) { + err = PTR_ERR(entry); if (err == -ENOENT) { err = 0; goto next; } break; } - - /* add this fsync inode to the list */ - entry = add_fsync_inode(head, inode); - if (!entry) { - err = -ENOMEM; - iput(inode); - break; - } } entry->blkaddr = blkaddr; @@ -363,7 +354,7 @@ got_it: if (ino != dn->inode->i_ino) { /* Deallocate previous index in the node page */ - inode = f2fs_iget(sbi->sb, ino); + inode = f2fs_iget_retry(sbi->sb, ino); if (IS_ERR(inode)) return PTR_ERR(inode); } else { @@ -431,10 +422,15 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *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); - if (err) + if (err) { + if (err == -ENOMEM) { + congestion_wait(BLK_RW_ASYNC, HZ/50); + goto retry_dn; + } goto out; + } f2fs_wait_on_page_writeback(dn.node_page, NODE, true); @@ -485,11 +481,16 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, if (err) goto err; } - +retry_prev: /* Check the previous node page having this index */ err = check_index_in_prev_nodes(sbi, dest, &dn); - if (err) + if (err) { + if (err == -ENOMEM) { + congestion_wait(BLK_RW_ASYNC, HZ/50); + goto retry_prev; + } goto err; + } /* write dummy data page */ f2fs_replace_block(sbi, &dn, src, dest, @@ -514,7 +515,6 @@ out: static int recover_data(struct f2fs_sb_info *sbi, struct list_head *inode_list, struct list_head *dir_list) { - unsigned long long cp_ver = cur_cp_version(F2FS_CKPT(sbi)); struct curseg_info *curseg; struct page *page = NULL; int err = 0; @@ -534,7 +534,7 @@ static int recover_data(struct f2fs_sb_info *sbi, struct list_head *inode_list, page = get_tmp_page(sbi, blkaddr); - if (cp_ver != cpver_of_node(page)) { + if (!is_recoverable_dnode(page)) { f2fs_put_page(page, 1); break; } @@ -626,38 +626,20 @@ out: } clear_sbi_flag(sbi, SBI_POR_DOING); - if (err) { - bool invalidate = false; - - if (test_opt(sbi, LFS)) { - update_meta_page(sbi, NULL, blkaddr); - invalidate = true; - } else if (discard_next_dnode(sbi, blkaddr)) { - invalidate = true; - } - - /* Flush all the NAT/SIT pages */ - while (get_pages(sbi, F2FS_DIRTY_META)) - sync_meta_pages(sbi, META, LONG_MAX); + if (err) + set_ckpt_flags(sbi, CP_ERROR_FLAG); + mutex_unlock(&sbi->cp_mutex); - /* invalidate temporary meta page */ - if (invalidate) - invalidate_mapping_pages(META_MAPPING(sbi), - blkaddr, blkaddr); + /* let's drop all the directory inodes for clean checkpoint */ + destroy_fsync_dnodes(&dir_list); - set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG); - mutex_unlock(&sbi->cp_mutex); - } else if (need_writecp) { + if (!err && need_writecp) { struct cp_control cpc = { .reason = CP_RECOVERY, }; - mutex_unlock(&sbi->cp_mutex); err = write_checkpoint(sbi, &cpc); - } else { - mutex_unlock(&sbi->cp_mutex); } - destroy_fsync_dnodes(&dir_list); kmem_cache_destroy(fsync_entry_slab); return ret ? ret: err; } diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index a46296f57b02..fc886f008449 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -26,6 +26,7 @@ #define __reverse_ffz(x) __reverse_ffs(~(x)) static struct kmem_cache *discard_entry_slab; +static struct kmem_cache *bio_entry_slab; static struct kmem_cache *sit_entry_set_slab; static struct kmem_cache *inmem_entry_slab; @@ -344,6 +345,11 @@ int commit_inmem_pages(struct inode *inode) */ void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need) { +#ifdef CONFIG_F2FS_FAULT_INJECTION + if (time_to_inject(sbi, FAULT_CHECKPOINT)) + f2fs_stop_checkpoint(sbi, false); +#endif + if (!need) return; @@ -355,7 +361,7 @@ void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need) * We should do GC or end up with checkpoint, if there are so many dirty * dir/node pages without enough free segments. */ - if (has_not_enough_free_secs(sbi, 0)) { + if (has_not_enough_free_secs(sbi, 0, 0)) { mutex_lock(&sbi->gc_mutex); f2fs_gc(sbi, false); } @@ -580,6 +586,74 @@ static void locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno) mutex_unlock(&dirty_i->seglist_lock); } +static struct bio_entry *__add_bio_entry(struct f2fs_sb_info *sbi, + struct bio *bio) +{ + struct list_head *wait_list = &(SM_I(sbi)->wait_list); + struct bio_entry *be = f2fs_kmem_cache_alloc(bio_entry_slab, GFP_NOFS); + + INIT_LIST_HEAD(&be->list); + be->bio = bio; + init_completion(&be->event); + list_add_tail(&be->list, wait_list); + + return be; +} + +void f2fs_wait_all_discard_bio(struct f2fs_sb_info *sbi) +{ + struct list_head *wait_list = &(SM_I(sbi)->wait_list); + struct bio_entry *be, *tmp; + + list_for_each_entry_safe(be, tmp, wait_list, list) { + struct bio *bio = be->bio; + int err; + + wait_for_completion_io(&be->event); + err = be->error; + if (err == -EOPNOTSUPP) + err = 0; + + if (err) + f2fs_msg(sbi->sb, KERN_INFO, + "Issue discard failed, ret: %d", err); + + bio_put(bio); + list_del(&be->list); + kmem_cache_free(bio_entry_slab, be); + } +} + +static void f2fs_submit_bio_wait_endio(struct bio *bio) +{ + struct bio_entry *be = (struct bio_entry *)bio->bi_private; + + be->error = bio->bi_error; + complete(&be->event); +} + +/* this function is copied from blkdev_issue_discard from block/blk-lib.c */ +int __f2fs_issue_discard_async(struct f2fs_sb_info *sbi, sector_t sector, + sector_t nr_sects, gfp_t gfp_mask, unsigned long flags) +{ + struct block_device *bdev = sbi->sb->s_bdev; + struct bio *bio = NULL; + int err; + + err = __blkdev_issue_discard(bdev, sector, nr_sects, gfp_mask, flags, + &bio); + if (!err && bio) { + struct bio_entry *be = __add_bio_entry(sbi, bio); + + bio->bi_private = be; + bio->bi_end_io = f2fs_submit_bio_wait_endio; + bio->bi_opf |= REQ_SYNC; + submit_bio(bio); + } + + return err; +} + static int f2fs_issue_discard(struct f2fs_sb_info *sbi, block_t blkstart, block_t blklen) { @@ -597,29 +671,7 @@ static int f2fs_issue_discard(struct f2fs_sb_info *sbi, sbi->discard_blks--; } trace_f2fs_issue_discard(sbi->sb, blkstart, blklen); - return blkdev_issue_discard(sbi->sb->s_bdev, start, len, GFP_NOFS, 0); -} - -bool discard_next_dnode(struct f2fs_sb_info *sbi, block_t blkaddr) -{ - int err = -EOPNOTSUPP; - - if (test_opt(sbi, DISCARD)) { - struct seg_entry *se = get_seg_entry(sbi, - GET_SEGNO(sbi, blkaddr)); - unsigned int offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr); - - if (f2fs_test_bit(offset, se->discard_map)) - return false; - - err = f2fs_issue_discard(sbi, blkaddr, 1); - } - - if (err) { - update_meta_page(sbi, NULL, blkaddr); - return true; - } - return false; + return __f2fs_issue_discard_async(sbi, start, len, GFP_NOFS, 0); } static void __add_discard_entry(struct f2fs_sb_info *sbi, @@ -660,7 +712,7 @@ static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc) bool force = (cpc->reason == CP_DISCARD); int i; - if (se->valid_blocks == max_blocks) + if (se->valid_blocks == max_blocks || !f2fs_discard_en(sbi)) return; if (!force) { @@ -719,11 +771,14 @@ void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc) struct list_head *head = &(SM_I(sbi)->discard_list); struct discard_entry *entry, *this; struct dirty_seglist_info *dirty_i = DIRTY_I(sbi); + struct blk_plug plug; unsigned long *prefree_map = dirty_i->dirty_segmap[PRE]; unsigned int start = 0, end = -1; unsigned int secno, start_segno; bool force = (cpc->reason == CP_DISCARD); + blk_start_plug(&plug); + mutex_lock(&dirty_i->seglist_lock); while (1) { @@ -772,6 +827,8 @@ skip: SM_I(sbi)->nr_discards -= entry->len; kmem_cache_free(discard_entry_slab, entry); } + + blk_finish_plug(&plug); } static bool __mark_sit_entry_dirty(struct f2fs_sb_info *sbi, unsigned int segno) @@ -818,12 +875,14 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del) if (del > 0) { if (f2fs_test_and_set_bit(offset, se->cur_valid_map)) f2fs_bug_on(sbi, 1); - if (!f2fs_test_and_set_bit(offset, se->discard_map)) + if (f2fs_discard_en(sbi) && + !f2fs_test_and_set_bit(offset, se->discard_map)) sbi->discard_blks--; } else { if (!f2fs_test_and_clear_bit(offset, se->cur_valid_map)) f2fs_bug_on(sbi, 1); - if (f2fs_test_and_clear_bit(offset, se->discard_map)) + if (f2fs_discard_en(sbi) && + f2fs_test_and_clear_bit(offset, se->discard_map)) sbi->discard_blks++; } if (!f2fs_test_bit(offset, se->ckpt_valid_map)) @@ -1202,7 +1261,7 @@ static int get_ssr_segment(struct f2fs_sb_info *sbi, int type) struct curseg_info *curseg = CURSEG_I(sbi, type); const struct victim_selection *v_ops = DIRTY_I(sbi)->v_ops; - if (IS_NODESEG(type) || !has_not_enough_free_secs(sbi, 0)) + if (IS_NODESEG(type) || !has_not_enough_free_secs(sbi, 0, 0)) return v_ops->get_victim(sbi, &(curseg)->next_segno, BG_GC, type, SSR); @@ -1277,6 +1336,12 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range) if (end <= MAIN_BLKADDR(sbi)) goto out; + if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) { + f2fs_msg(sbi->sb, KERN_WARNING, + "Found FS corruption, run fsck to fix."); + goto out; + } + /* start/end segment number in main_area */ start_segno = (start <= MAIN_BLKADDR(sbi)) ? 0 : GET_SEGNO(sbi, start); end_segno = (end >= MAX_BLKADDR(sbi)) ? MAIN_SEGS(sbi) - 1 : @@ -1301,6 +1366,10 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range) mutex_lock(&sbi->gc_mutex); err = write_checkpoint(sbi, &cpc); mutex_unlock(&sbi->gc_mutex); + if (err) + break; + + schedule(); } out: range->len = F2FS_BLK_TO_BYTES(cpc.trimmed); @@ -1391,7 +1460,7 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, /* direct_io'ed data is aligned to the segment for better performance */ if (direct_io && curseg->next_blkoff && - !has_not_enough_free_secs(sbi, 0)) + !has_not_enough_free_secs(sbi, 0, 0)) __allocate_new_segments(sbi, type); *new_blkaddr = NEXT_FREE_BLKADDR(sbi, curseg); @@ -1589,11 +1658,9 @@ void f2fs_wait_on_encrypted_page_writeback(struct f2fs_sb_info *sbi, { struct page *cpage; - if (blkaddr == NEW_ADDR) + if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR) return; - f2fs_bug_on(sbi, blkaddr == NULL_ADDR); - cpage = find_lock_page(META_MAPPING(sbi), blkaddr); if (cpage) { f2fs_wait_on_page_writeback(cpage, DATA, true); @@ -1739,7 +1806,7 @@ static int restore_curseg_summaries(struct f2fs_sb_info *sbi) int type = CURSEG_HOT_DATA; int err; - if (is_set_ckpt_flags(F2FS_CKPT(sbi), CP_COMPACT_SUM_FLAG)) { + if (is_set_ckpt_flags(sbi, CP_COMPACT_SUM_FLAG)) { int npages = npages_for_summary_flush(sbi, true); if (npages >= 2) @@ -1836,7 +1903,7 @@ static void write_normal_summaries(struct f2fs_sb_info *sbi, void write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk) { - if (is_set_ckpt_flags(F2FS_CKPT(sbi), CP_COMPACT_SUM_FLAG)) + if (is_set_ckpt_flags(sbi, CP_COMPACT_SUM_FLAG)) write_compacted_summaries(sbi, start_blk); else write_normal_summaries(sbi, start_blk, CURSEG_HOT_DATA); @@ -2127,12 +2194,16 @@ static int build_sit_info(struct f2fs_sb_info *sbi) = kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL); sit_i->sentries[start].ckpt_valid_map = kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL); - sit_i->sentries[start].discard_map - = kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL); if (!sit_i->sentries[start].cur_valid_map || - !sit_i->sentries[start].ckpt_valid_map || - !sit_i->sentries[start].discard_map) + !sit_i->sentries[start].ckpt_valid_map) return -ENOMEM; + + if (f2fs_discard_en(sbi)) { + sit_i->sentries[start].discard_map + = kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL); + if (!sit_i->sentries[start].discard_map) + return -ENOMEM; + } } sit_i->tmp_map = kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL); @@ -2239,6 +2310,8 @@ static void build_sit_entries(struct f2fs_sb_info *sbi) struct sit_info *sit_i = SIT_I(sbi); struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_COLD_DATA); struct f2fs_journal *journal = curseg->journal; + struct seg_entry *se; + struct f2fs_sit_entry sit; int sit_blk_cnt = SIT_BLK_CNT(sbi); unsigned int i, start, end; unsigned int readed, start_blk = 0; @@ -2251,41 +2324,58 @@ static void build_sit_entries(struct f2fs_sb_info *sbi) end = (start_blk + readed) * sit_i->sents_per_block; for (; start < end && start < MAIN_SEGS(sbi); start++) { - struct seg_entry *se = &sit_i->sentries[start]; struct f2fs_sit_block *sit_blk; - struct f2fs_sit_entry sit; struct page *page; - down_read(&curseg->journal_rwsem); - for (i = 0; i < sits_in_cursum(journal); i++) { - if (le32_to_cpu(segno_in_journal(journal, i)) - == start) { - sit = sit_in_journal(journal, i); - up_read(&curseg->journal_rwsem); - goto got_it; - } - } - up_read(&curseg->journal_rwsem); - + se = &sit_i->sentries[start]; page = get_current_sit_page(sbi, start); sit_blk = (struct f2fs_sit_block *)page_address(page); sit = sit_blk->entries[SIT_ENTRY_OFFSET(sit_i, start)]; f2fs_put_page(page, 1); -got_it: + check_block_count(sbi, start, &sit); seg_info_from_raw_sit(se, &sit); /* build discard map only one time */ - memcpy(se->discard_map, se->cur_valid_map, SIT_VBLOCK_MAP_SIZE); - sbi->discard_blks += sbi->blocks_per_seg - se->valid_blocks; - - if (sbi->segs_per_sec > 1) { - struct sec_entry *e = get_sec_entry(sbi, start); - e->valid_blocks += se->valid_blocks; + if (f2fs_discard_en(sbi)) { + memcpy(se->discard_map, se->cur_valid_map, + SIT_VBLOCK_MAP_SIZE); + sbi->discard_blks += sbi->blocks_per_seg - + se->valid_blocks; } + + if (sbi->segs_per_sec > 1) + get_sec_entry(sbi, start)->valid_blocks += + se->valid_blocks; } start_blk += readed; } while (start_blk < sit_blk_cnt); + + down_read(&curseg->journal_rwsem); + for (i = 0; i < sits_in_cursum(journal); i++) { + unsigned int old_valid_blocks; + + start = le32_to_cpu(segno_in_journal(journal, i)); + se = &sit_i->sentries[start]; + sit = sit_in_journal(journal, i); + + old_valid_blocks = se->valid_blocks; + + check_block_count(sbi, start, &sit); + seg_info_from_raw_sit(se, &sit); + + if (f2fs_discard_en(sbi)) { + memcpy(se->discard_map, se->cur_valid_map, + SIT_VBLOCK_MAP_SIZE); + sbi->discard_blks += old_valid_blocks - + se->valid_blocks; + } + + if (sbi->segs_per_sec > 1) + get_sec_entry(sbi, start)->valid_blocks += + se->valid_blocks - old_valid_blocks; + } + up_read(&curseg->journal_rwsem); } static void init_free_segmap(struct f2fs_sb_info *sbi) @@ -2427,6 +2517,7 @@ int build_segment_manager(struct f2fs_sb_info *sbi) sm_info->min_fsync_blocks = DEF_MIN_FSYNC_BLOCKS; INIT_LIST_HEAD(&sm_info->discard_list); + INIT_LIST_HEAD(&sm_info->wait_list); sm_info->nr_discards = 0; sm_info->max_discards = 0; @@ -2570,10 +2661,15 @@ int __init create_segment_manager_caches(void) if (!discard_entry_slab) goto fail; + bio_entry_slab = f2fs_kmem_cache_create("bio_entry", + sizeof(struct bio_entry)); + if (!bio_entry_slab) + goto destroy_discard_entry; + sit_entry_set_slab = f2fs_kmem_cache_create("sit_entry_set", sizeof(struct sit_entry_set)); if (!sit_entry_set_slab) - goto destory_discard_entry; + goto destroy_bio_entry; inmem_entry_slab = f2fs_kmem_cache_create("inmem_page_entry", sizeof(struct inmem_pages)); @@ -2583,7 +2679,9 @@ int __init create_segment_manager_caches(void) destroy_sit_entry_set: kmem_cache_destroy(sit_entry_set_slab); -destory_discard_entry: +destroy_bio_entry: + kmem_cache_destroy(bio_entry_slab); +destroy_discard_entry: kmem_cache_destroy(discard_entry_slab); fail: return -ENOMEM; @@ -2592,6 +2690,7 @@ fail: void destroy_segment_manager_caches(void) { kmem_cache_destroy(sit_entry_set_slab); + kmem_cache_destroy(bio_entry_slab); kmem_cache_destroy(discard_entry_slab); kmem_cache_destroy(inmem_entry_slab); } diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index b33f73ec60a4..fecb856ad874 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -479,7 +479,8 @@ static inline bool need_SSR(struct f2fs_sb_info *sbi) reserved_sections(sbi) + 1); } -static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, int freed) +static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, + int freed, int needed) { int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES); int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS); @@ -489,8 +490,8 @@ static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, int freed) if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) return false; - return (free_sections(sbi) + freed) <= (node_secs + 2 * dent_secs + - reserved_sections(sbi)); + return (free_sections(sbi) + freed) <= + (node_secs + 2 * dent_secs + reserved_sections(sbi) + needed); } static inline bool excess_prefree_segs(struct f2fs_sb_info *sbi) @@ -587,8 +588,8 @@ static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno) static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr) { - f2fs_bug_on(sbi, blk_addr < SEG0_BLKADDR(sbi) - || blk_addr >= MAX_BLKADDR(sbi)); + BUG_ON(blk_addr < SEG0_BLKADDR(sbi) + || blk_addr >= MAX_BLKADDR(sbi)); } /* diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 7f863a645ab1..6132b4ce4e4c 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -40,7 +40,6 @@ static struct kmem_cache *f2fs_inode_cachep; static struct kset *f2fs_kset; #ifdef CONFIG_F2FS_FAULT_INJECTION -struct f2fs_fault_info f2fs_fault; char *fault_name[FAULT_MAX] = { [FAULT_KMALLOC] = "kmalloc", @@ -50,16 +49,21 @@ char *fault_name[FAULT_MAX] = { [FAULT_BLOCK] = "no more block", [FAULT_DIR_DEPTH] = "too big dir depth", [FAULT_EVICT_INODE] = "evict_inode fail", + [FAULT_IO] = "IO error", + [FAULT_CHECKPOINT] = "checkpoint error", }; -static void f2fs_build_fault_attr(unsigned int rate) +static void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, + unsigned int rate) { + struct f2fs_fault_info *ffi = &sbi->fault_info; + if (rate) { - atomic_set(&f2fs_fault.inject_ops, 0); - f2fs_fault.inject_rate = rate; - f2fs_fault.inject_type = (1 << FAULT_MAX) - 1; + atomic_set(&ffi->inject_ops, 0); + ffi->inject_rate = rate; + ffi->inject_type = (1 << FAULT_MAX) - 1; } else { - memset(&f2fs_fault, 0, sizeof(struct f2fs_fault_info)); + memset(ffi, 0, sizeof(struct f2fs_fault_info)); } } #endif @@ -87,6 +91,7 @@ enum { Opt_inline_xattr, Opt_inline_data, Opt_inline_dentry, + Opt_noinline_dentry, Opt_flush_merge, Opt_noflush_merge, Opt_nobarrier, @@ -118,6 +123,7 @@ static match_table_t f2fs_tokens = { {Opt_inline_xattr, "inline_xattr"}, {Opt_inline_data, "inline_data"}, {Opt_inline_dentry, "inline_dentry"}, + {Opt_noinline_dentry, "noinline_dentry"}, {Opt_flush_merge, "flush_merge"}, {Opt_noflush_merge, "noflush_merge"}, {Opt_nobarrier, "nobarrier"}, @@ -167,7 +173,7 @@ static unsigned char *__struct_ptr(struct f2fs_sb_info *sbi, int struct_type) #ifdef CONFIG_F2FS_FAULT_INJECTION else if (struct_type == FAULT_INFO_RATE || struct_type == FAULT_INFO_TYPE) - return (unsigned char *)&f2fs_fault; + return (unsigned char *)&sbi->fault_info; #endif return NULL; } @@ -312,6 +318,10 @@ static struct attribute *f2fs_attrs[] = { ATTR_LIST(dirty_nats_ratio), ATTR_LIST(cp_interval), ATTR_LIST(idle_interval), +#ifdef CONFIG_F2FS_FAULT_INJECTION + ATTR_LIST(inject_rate), + ATTR_LIST(inject_type), +#endif ATTR_LIST(lifetime_write_kbytes), NULL, }; @@ -327,22 +337,6 @@ static struct kobj_type f2fs_ktype = { .release = f2fs_sb_release, }; -#ifdef CONFIG_F2FS_FAULT_INJECTION -/* sysfs for f2fs fault injection */ -static struct kobject f2fs_fault_inject; - -static struct attribute *f2fs_fault_attrs[] = { - ATTR_LIST(inject_rate), - ATTR_LIST(inject_type), - NULL -}; - -static struct kobj_type f2fs_fault_ktype = { - .default_attrs = f2fs_fault_attrs, - .sysfs_ops = &f2fs_attr_ops, -}; -#endif - void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...) { struct va_format vaf; @@ -370,10 +364,6 @@ static int parse_options(struct super_block *sb, char *options) char *p, *name; int arg = 0; -#ifdef CONFIG_F2FS_FAULT_INJECTION - f2fs_build_fault_attr(0); -#endif - if (!options) return 0; @@ -488,6 +478,9 @@ static int parse_options(struct super_block *sb, char *options) case Opt_inline_dentry: set_opt(sbi, INLINE_DENTRY); break; + case Opt_noinline_dentry: + clear_opt(sbi, INLINE_DENTRY); + break; case Opt_flush_merge: set_opt(sbi, FLUSH_MERGE); break; @@ -533,7 +526,7 @@ static int parse_options(struct super_block *sb, char *options) if (args->from && match_int(args, &arg)) return -EINVAL; #ifdef CONFIG_F2FS_FAULT_INJECTION - f2fs_build_fault_attr(arg); + f2fs_build_fault_attr(sbi, arg); #else f2fs_msg(sb, KERN_INFO, "FAULT_INJECTION was not selected"); @@ -730,7 +723,7 @@ static void f2fs_put_super(struct super_block *sb) * clean checkpoint again. */ if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || - !is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG)) { + !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { struct cp_control cpc = { .reason = CP_UMOUNT, }; @@ -878,6 +871,8 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root) seq_puts(seq, ",noinline_data"); if (test_opt(sbi, INLINE_DENTRY)) seq_puts(seq, ",inline_dentry"); + else + seq_puts(seq, ",noinline_dentry"); if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE)) seq_puts(seq, ",flush_merge"); if (test_opt(sbi, NOBARRIER)) @@ -946,7 +941,7 @@ static int segment_bits_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "%d|%-3u|", se->type, get_valid_blocks(sbi, i, 1)); for (j = 0; j < SIT_VBLOCK_MAP_SIZE; j++) - seq_printf(seq, "%x ", se->cur_valid_map[j]); + seq_printf(seq, " %.2x", se->cur_valid_map[j]); seq_putc(seq, '\n'); } return 0; @@ -975,6 +970,7 @@ static void default_options(struct f2fs_sb_info *sbi) set_opt(sbi, BG_GC); set_opt(sbi, INLINE_DATA); + set_opt(sbi, INLINE_DENTRY); set_opt(sbi, EXTENT_CACHE); sbi->sb->s_flags |= MS_LAZYTIME; set_opt(sbi, FLUSH_MERGE); @@ -991,6 +987,10 @@ static void default_options(struct f2fs_sb_info *sbi) #ifdef CONFIG_F2FS_FS_POSIX_ACL set_opt(sbi, POSIX_ACL); #endif + +#ifdef CONFIG_F2FS_FAULT_INJECTION + f2fs_build_fault_attr(sbi, 0); +#endif } static int f2fs_remount(struct super_block *sb, int *flags, char *data) @@ -1001,6 +1001,9 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) bool need_restart_gc = false; bool need_stop_gc = false; bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE); +#ifdef CONFIG_F2FS_FAULT_INJECTION + struct f2fs_fault_info ffi = sbi->fault_info; +#endif /* * Save the old mount options in case we @@ -1096,6 +1099,9 @@ restore_gc: restore_opts: sbi->mount_opt = org_mount_opt; sbi->active_logs = active_logs; +#ifdef CONFIG_F2FS_FAULT_INJECTION + sbi->fault_info = ffi; +#endif return err; } @@ -1469,6 +1475,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi) mutex_init(&sbi->umount_mutex); mutex_init(&sbi->wio_mutex[NODE]); mutex_init(&sbi->wio_mutex[DATA]); + spin_lock_init(&sbi->cp_lock); #ifdef CONFIG_F2FS_FS_ENCRYPTION memcpy(sbi->key_prefix, F2FS_KEY_DESC_PREFIX, @@ -1810,7 +1817,7 @@ try_onemore: * previous checkpoint was not done by clean system shutdown. */ if (bdev_read_only(sb->s_bdev) && - !is_set_ckpt_flags(sbi->ckpt, CP_UMOUNT_FLAG)) { + !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { err = -EROFS; goto free_kobj; } @@ -1818,6 +1825,9 @@ try_onemore: if (need_fsck) set_sbi_flag(sbi, SBI_NEED_FSCK); + if (!retry) + goto skip_recovery; + err = recover_fsync_data(sbi, false); if (err < 0) { need_fsck = true; @@ -1835,7 +1845,7 @@ try_onemore: goto free_kobj; } } - +skip_recovery: /* recover_fsync_data() cleared this already */ clear_sbi_flag(sbi, SBI_POR_DOING); @@ -1879,7 +1889,9 @@ free_root_inode: dput(sb->s_root); sb->s_root = NULL; free_node_inode: + truncate_inode_pages_final(NODE_MAPPING(sbi)); mutex_lock(&sbi->umount_mutex); + release_ino_entry(sbi, true); f2fs_leave_shrinker(sbi); iput(sbi->node_inode); mutex_unlock(&sbi->umount_mutex); @@ -1978,16 +1990,6 @@ static int __init init_f2fs_fs(void) err = -ENOMEM; goto free_extent_cache; } -#ifdef CONFIG_F2FS_FAULT_INJECTION - f2fs_fault_inject.kset = f2fs_kset; - f2fs_build_fault_attr(0); - err = kobject_init_and_add(&f2fs_fault_inject, &f2fs_fault_ktype, - NULL, "fault_injection"); - if (err) { - f2fs_fault_inject.kset = NULL; - goto free_kset; - } -#endif err = register_shrinker(&f2fs_shrinker_info); if (err) goto free_kset; @@ -2006,10 +2008,6 @@ free_filesystem: free_shrinker: unregister_shrinker(&f2fs_shrinker_info); free_kset: -#ifdef CONFIG_F2FS_FAULT_INJECTION - if (f2fs_fault_inject.kset) - kobject_put(&f2fs_fault_inject); -#endif kset_unregister(f2fs_kset); free_extent_cache: destroy_extent_cache(); @@ -2031,9 +2029,6 @@ static void __exit exit_f2fs_fs(void) f2fs_destroy_root_stats(); unregister_filesystem(&f2fs_fs_type); unregister_shrinker(&f2fs_shrinker_info); -#ifdef CONFIG_F2FS_FAULT_INJECTION - kobject_put(&f2fs_fault_inject); -#endif kset_unregister(f2fs_kset); destroy_extent_cache(); destroy_checkpoint_caches(); diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 62f76ea6cb3c..3e1c0280f866 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -217,18 +217,20 @@ static struct f2fs_xattr_entry *__find_xattr(void *base_addr, int index, return entry; } -static void *read_all_xattrs(struct inode *inode, struct page *ipage) +static int read_all_xattrs(struct inode *inode, struct page *ipage, + void **base_addr) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_xattr_header *header; size_t size = PAGE_SIZE, inline_size = 0; void *txattr_addr; + int err; inline_size = inline_xattr_size(inode); txattr_addr = kzalloc(inline_size + size, GFP_F2FS_ZERO); if (!txattr_addr) - return NULL; + return -ENOMEM; /* read from inline xattr */ if (inline_size) { @@ -239,8 +241,10 @@ static void *read_all_xattrs(struct inode *inode, struct page *ipage) inline_addr = inline_xattr_addr(ipage); } else { page = get_node_page(sbi, inode->i_ino); - if (IS_ERR(page)) + if (IS_ERR(page)) { + err = PTR_ERR(page); goto fail; + } inline_addr = inline_xattr_addr(page); } memcpy(txattr_addr, inline_addr, inline_size); @@ -254,8 +258,10 @@ static void *read_all_xattrs(struct inode *inode, struct page *ipage) /* The inode already has an extended attribute block. */ xpage = get_node_page(sbi, F2FS_I(inode)->i_xattr_nid); - if (IS_ERR(xpage)) + if (IS_ERR(xpage)) { + err = PTR_ERR(xpage); goto fail; + } xattr_addr = page_address(xpage); memcpy(txattr_addr + inline_size, xattr_addr, PAGE_SIZE); @@ -269,10 +275,11 @@ static void *read_all_xattrs(struct inode *inode, struct page *ipage) header->h_magic = cpu_to_le32(F2FS_XATTR_MAGIC); header->h_refcount = cpu_to_le32(1); } - return txattr_addr; + *base_addr = txattr_addr; + return 0; fail: kzfree(txattr_addr); - return NULL; + return err; } static inline int write_all_xattrs(struct inode *inode, __u32 hsize, @@ -366,9 +373,9 @@ int f2fs_getxattr(struct inode *inode, int index, const char *name, if (len > F2FS_NAME_LEN) return -ERANGE; - base_addr = read_all_xattrs(inode, ipage); - if (!base_addr) - return -ENOMEM; + error = read_all_xattrs(inode, ipage, &base_addr); + if (error) + return error; entry = __find_xattr(base_addr, index, len, name); if (IS_XATTR_LAST_ENTRY(entry)) { @@ -402,9 +409,9 @@ ssize_t f2fs_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size) int error = 0; size_t rest = buffer_size; - base_addr = read_all_xattrs(inode, NULL); - if (!base_addr) - return -ENOMEM; + error = read_all_xattrs(inode, NULL, &base_addr); + if (error) + return error; list_for_each_xattr(entry, base_addr) { const struct xattr_handler *handler = @@ -463,9 +470,9 @@ static int __f2fs_setxattr(struct inode *inode, int index, if (size > MAX_VALUE_LEN(inode)) return -E2BIG; - base_addr = read_all_xattrs(inode, ipage); - if (!base_addr) - return -ENOMEM; + error = read_all_xattrs(inode, ipage, &base_addr); + if (error) + return error; /* find entry with wanted name. */ here = __find_xattr(base_addr, index, len, name); @@ -548,6 +555,8 @@ static int __f2fs_setxattr(struct inode *inode, int index, !strcmp(name, F2FS_XATTR_NAME_ENCRYPTION_CONTEXT)) f2fs_set_encrypted_inode(inode); f2fs_mark_inode_dirty_sync(inode); + if (!error && S_ISDIR(inode->i_mode)) + set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_CP); exit: kzfree(base_addr); return error; |