Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-19 14:56:21 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

f2fs: compress: fix to check unreleased compressed cluster

Browse Source 
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>
This commit is contained in:
Sheng Yong 2024-01-13 03:41:29 +08:00 committed by Jaegeuk Kim
parent fd244524c2
commit eb8fbaa533
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
fs/f2fs/file.c
View File

@ -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;