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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-09-21 08:48:33 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-09-21 08:48:33 +0100
commitf70cac8d9c7125f83048f8b3d1c60f5a041a165c (patch)
tree0d0efd72c1a41f973a919b16aac1d8210ed1ee30 /fs/btrfs/xattr.c
parent4722cd7741c6404f967f7a7b8b666540b6c1663e (diff)
parent08aab447c56a5388cf0c768da476ad022f00fef8 (diff)
Merge branch 'kprobes-test' of git://git.yxit.co.uk/linux into devel-stable
Diffstat (limited to 'fs/btrfs/xattr.c')
-rw-r--r--fs/btrfs/xattr.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index d733b9cfea3..69565e5fc6a 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -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)