ceph: protect kick_requests() with mdsc->mutex
authorYan, Zheng <ukernel@gmail.com>
Thu, 11 Sep 2014 06:25:18 +0000 (14:25 +0800)
committerIlya Dryomov <idryomov@redhat.com>
Tue, 14 Oct 2014 17:03:24 +0000 (21:03 +0400)
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
fs/ceph/mds_client.c

index f751fea416e5721e5bd39bcf9d21efde110901f0..267ba4496dc8c9da7c0547fdd7a71266fca3dc61 100644 (file)
@@ -2471,9 +2471,8 @@ static void handle_session(struct ceph_mds_session *session,
                if (session->s_state == CEPH_MDS_SESSION_RECONNECTING)
                        pr_info("mds%d reconnect denied\n", session->s_mds);
                remove_session_caps(session);
-               wake = 1; /* for good measure */
+               wake = 2; /* for good measure */
                wake_up_all(&mdsc->session_close_wq);
-               kick_requests(mdsc, mds);
                break;
 
        case CEPH_SESSION_STALE:
@@ -2503,6 +2502,8 @@ static void handle_session(struct ceph_mds_session *session,
        if (wake) {
                mutex_lock(&mdsc->mutex);
                __wake_requests(mdsc, &session->s_waiting);
+               if (wake == 2)
+                       kick_requests(mdsc, mds);
                mutex_unlock(&mdsc->mutex);
        }
        return;