Merge tag 'ceph-for-5.2-rc7' of git://github.com/ceph/ceph-client

Pull ceph fix from Ilya Dryomov:
 "A small fix for a potential -rc1 regression from Jeff"

* tag 'ceph-for-5.2-rc7' of git://github.com/ceph/ceph-client:
  ceph: fix ceph_mdsc_build_path to not stop on first component

fs/ceph/mds_client.c

@@ -2121,9 +2121,10 @@ char *ceph_mdsc_build_path(struct dentry *dentry, int *plen, u64 *pbase,
 		if (inode && ceph_snap(inode) == CEPH_SNAPDIR) {
 			dout("build_path path+%d: %p SNAPDIR\n",
 			     pos, temp);
-		} else if (stop_on_nosnap && inode &&
+		} else if (stop_on_nosnap && inode && dentry != temp &&
 			   ceph_snap(inode) == CEPH_NOSNAP) {
 			spin_unlock(&temp->d_lock);
+			pos++; /* get rid of any prepended '/' */
 			break;
 		} else {
 			pos -= temp->d_name.len;