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f2fs: allow to clear F2FS_COMPR_FL flag 

If regular inode has no compressed cluster, allow using 'chattr -c'
to remove its compress flag, recovering it to a non-compressed file.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2020-03-10 20:50:09 +08:00 committed by Jaegeuk Kim
parent 6cfdf15fdb
commit 2536ac6872
1 changed files with 4 additions and 4 deletions
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8
fs/f2fs/file.c
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@ -1817,10 +1817,10 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
}
if ((iflags ^ masked_flags) & F2FS_COMPR_FL) {
if (S_ISREG(inode->i_mode) &&
(masked_flags & F2FS_COMPR_FL || i_size_read(inode) ||
F2FS_HAS_BLOCKS(inode)))
return -EINVAL;
if (S_ISREG(inode->i_mode) && (masked_flags & F2FS_COMPR_FL)) {
if (f2fs_disable_compressed_file(inode))
return -EINVAL;
}
if (iflags & F2FS_NOCOMP_FL)
return -EINVAL;
if (iflags & F2FS_COMPR_FL) {