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f2fs: only set release for file that has compressed data

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If a file is not comprssed yet or does not have compressed data,
for example, its data has a very low compression ratio, do not
set FI_COMPRESS_RELEASED flag.

Signed-off-by: Sheng Yong <shengyong@oppo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Sheng Yong 2023-06-27 20:21:53 +08:00 committed by Jaegeuk Kim
parent c31e496157
commit 87a91a1559
1 changed files with 5 additions and 3 deletions
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8
fs/f2fs/file.c
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@ -3510,13 +3510,15 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
if (ret) if (ret)
goto out; goto out;
if (!atomic_read(&F2FS_I(inode)->i_compr_blocks)) {
ret = -EPERM;
goto out;
}
set_inode_flag(inode, FI_COMPRESS_RELEASED); set_inode_flag(inode, FI_COMPRESS_RELEASED);
inode->i_ctime = current_time(inode); inode->i_ctime = current_time(inode);
f2fs_mark_inode_dirty_sync(inode, true); f2fs_mark_inode_dirty_sync(inode, true);
if (!atomic_read(&F2FS_I(inode)->i_compr_blocks))
goto out;
f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
filemap_invalidate_lock(inode->i_mapping); filemap_invalidate_lock(inode->i_mapping);