| Message ID | 1354099392-2820-2-git-send-email-bo.li.liu@oracle.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c index 3f4e2d6..be8376a 100644 --- a/fs/btrfs/xattr.c +++ b/fs/btrfs/xattr.c @@ -122,6 +122,16 @@ static int do_setxattr(struct btrfs_trans_handle *trans, */ if (!value) goto out; + } else { + di = btrfs_lookup_xattr(NULL, root, path, btrfs_ino(inode), + name, name_len, 0); + if (IS_ERR(di)) { + ret = PTR_ERR(di); + goto out; + } + if (!di && !value) + goto out; + btrfs_release_path(path); } again:
Passing a null extended attribute value means to remove the attribute, but we don't have to add a new NULL extended attribute. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> --- fs/btrfs/xattr.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-)