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Commit 2827528d authored by Yan, Zheng's avatar Yan, Zheng Committed by Ilya Dryomov
Browse files

ceph: close stopped mds' session 



If a mds has stopped, close its session and clean up its session
requests/caps. The process is similar to handling SESSION_CLOSE
initiated by mds.

Signed-off-by: default avatar"Yan, Zheng" <zyan@redhat.com>
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent 0a07fc8c

fs/ceph/mds_client.c

+16 −0
Original line number Diff line number Diff line
@@ -3136,6 +3136,22 @@ static void check_new_map(struct ceph_mds_client *mdsc, 
				__unregister_session(mdsc, s);

				__wake_requests(mdsc, &s->s_waiting);

				ceph_put_mds_session(s);

			} else if (i >= newmap->m_num_mds) {

				/* force close session for stopped mds */

				get_session(s);

				__unregister_session(mdsc, s);

				__wake_requests(mdsc, &s->s_waiting);

				kick_requests(mdsc, i);

				mutex_unlock(&mdsc->mutex);



				mutex_lock(&s->s_mutex);

				cleanup_session_requests(mdsc, s);

				remove_session_caps(s);

				mutex_unlock(&s->s_mutex);



				ceph_put_mds_session(s);



				mutex_lock(&mdsc->mutex);

			} else {

				/* just close it */

				mutex_unlock(&mdsc->mutex);