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| author | Sheng Yong <shengyong@oppo.com> | 2024-01-13 03:41:29 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2024-02-05 18:58:39 -0800 |
| commit | eb8fbaa53374e0a2d4381190abfe708481517bbb (patch) | |
| tree | 3d7865d0d14343f2a2b5d8ac61863ece1dfa22a7 /fs/f2fs/file.c | |
| parent | fd244524c2cf07b5f4c3fe8abd6a99225c76544b (diff) | |
| download | linux-eb8fbaa53374e0a2d4381190abfe708481517bbb.tar.gz linux-eb8fbaa53374e0a2d4381190abfe708481517bbb.tar.bz2 linux-eb8fbaa53374e0a2d4381190abfe708481517bbb.zip | |
f2fs: compress: fix to check unreleased compressed cluster
Compressed cluster may not be released due to we can fail in
release_compress_blocks(), fix to handle reserved compressed
cluster correctly in reserve_compress_blocks().
Fixes: 4c8ff7095bef ("f2fs: support data compression")
Signed-off-by: Sheng Yong <shengyong@oppo.com>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/file.c')
| -rw-r--r-- | fs/f2fs/file.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index b58ab1157b7e..941e02c0953c 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -3624,7 +3624,13 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count) goto next; } - if (__is_valid_data_blkaddr(blkaddr)) { + /* + * compressed cluster was not released due to it + * fails in release_compress_blocks(), so NEW_ADDR + * is a possible case. + */ + if (blkaddr == NEW_ADDR || + __is_valid_data_blkaddr(blkaddr)) { compr_blocks++; continue; } @@ -3633,6 +3639,11 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count) } reserved = cluster_size - compr_blocks; + + /* for the case all blocks in cluster were reserved */ + if (reserved == 1) + goto next; + ret = inc_valid_block_count(sbi, dn->inode, &reserved); if (ret) return ret; |