From: Sage Weil <sage@newdream.net>
Date: Tue, 25 Aug 2009 23:23:47 +0000 (-0700)
Subject: kclient: periodically ping mds's
X-Git-Tag: v0.14~120
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=6bad246d4d3e9ffe93bdf7be79fe97dc20784ff5;p=ceph.git

kclient: periodically ping mds's
---

diff --git a/src/kernel/mds_client.c b/src/kernel/mds_client.c
index 166481129fad..2b76731fa44c 100644
--- a/src/kernel/mds_client.c
+++ b/src/kernel/mds_client.c
@@ -2576,8 +2576,17 @@ static void delayed_work(struct work_struct *work)
 		mutex_unlock(&mdsc->mutex);
 
 		mutex_lock(&s->s_mutex);
-		if (renew_caps)
+		if (renew_caps) {
 			send_renew_caps(mdsc, s);
+		} else {
+			struct ceph_entity_name name = {
+				.type = cpu_to_le32(CEPH_ENTITY_TYPE_MDS),
+				.num = cpu_to_le32(s->s_mds)
+			};
+
+			ceph_ping(mdsc->client->msgr, name,
+				  ceph_mdsmap_get_addr(mdsc->mdsmap, s->s_mds));
+		}
 		add_cap_releases(mdsc, s, -1);
 		send_cap_releases(mdsc, s);
 		mutex_unlock(&s->s_mutex);