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>
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index d733b9c..69565e5 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -116,6 +116,12 @@
if (ret)
goto out;
btrfs_release_path(path);
+
+ /*
+ * remove the attribute
+ */
+ if (!value)
+ goto out;
}
again:
@@ -158,6 +164,9 @@
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)