ceph: check the sesion state and return false in case it is closed

If the session is already in closed state, we should skip it.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 9a09d12569bd21f2f7e5d99c074f9e41779fbc68..ef8a1179171bf529400e433271b1d89edad0f474 100644 (file)
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -4303,6 +4303,7 @@ bool check_session_state(struct ceph_mds_session *s)
        }
        if (s->s_state == CEPH_MDS_SESSION_NEW ||
            s->s_state == CEPH_MDS_SESSION_RESTARTING ||
+           s->s_state == CEPH_MDS_SESSION_CLOSED ||
            s->s_state == CEPH_MDS_SESSION_REJECTED)
                /* this mds is failed or recovering, just wait */
                return false;