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: "Yan, Zheng" <zyan@xxxxxxxxxx>
---
fs/ceph/mds_client.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index bf765a8..5584c98 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3156,6 +3156,22 @@ 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);
--
2.9.3
--
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