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btrfs: xattr: fix attribute removal 

An attribute is not removed by 'setfattr -x attr file' and remains
visible in attr list. This makes xfstests/062 pass again.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
David Sterba 2011-09-11 10:52:25 -04:00 committed by Chris Mason
parent a39f752143
commit 4815053aba
1 changed files with 9 additions and 0 deletions
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9
fs/btrfs/xattr.c
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@ -116,6 +116,12 @@ static int do_setxattr(struct btrfs_trans_handle *trans,
if (ret)
goto out;
btrfs_release_path(path);
/*
* remove the attribute
*/
if (!value)
goto out;
}
again:
@ -158,6 +164,9 @@ out:
return ret;
}
/*
* @value: "" makes the attribute to empty, NULL removes it
*/
int __btrfs_setxattr(struct btrfs_trans_handle *trans,
struct inode *inode, const char *name,
const void *value, size_t size, int flags)