ceph: fix dir_auth check in ceph_fill_dirfrag()

-1 is CDIR_AUTH_PARENT, it means dir's auth mds is the same as
inode's auth mds

Signed-off-by: Yan, Zheng <zyan@redhat.com>

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index d91eb6b492593d214e96ab8481576ead864f76dc..562f57d15f46da29a687beabeafb205d6713c75a 100644 (file)
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -254,6 +254,9 @@ static int ceph_fill_dirfrag(struct inode *inode,
                diri_auth = ci->i_auth_cap->mds;
        spin_unlock(&ci->i_ceph_lock);
 
+       if (mds == -1) /* CDIR_AUTH_PARENT */
+               mds = diri_auth;
+
        mutex_lock(&ci->i_fragtree_mutex);
        if (ndist == 0 && mds == diri_auth) {
                /* no delegation info needed. */