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authorKrishna Srinivas <ksriniva@redhat.com>2012-04-05 15:57:47 +0530
committerVijay Bellur <vijay@gluster.com>2012-04-17 08:26:06 -0700
commit80eeaab2be884f0ebc89704011421541742cd5e6 (patch)
tree760c1048e071fbc6bf20f42f1397e180abe5eb8a
parentb69f0110410c670eb6c31b6669d47ec2aaeb92f4 (diff)
nlm: send sm-notify to clients whenever the nfs server is restarted so that clients reclaim the locks.v3.3.0qa35
Change-Id: I0a8e291ad0a78e2e68070b1d289d32a786da8da2 BUG: 802885 Signed-off-by: Krishna Srinivas <ksriniva@redhat.com> Reviewed-on: http://review.gluster.com/3096 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vijay@gluster.com>
-rw-r--r--xlators/nfs/server/src/nlm4.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/xlators/nfs/server/src/nlm4.c b/xlators/nfs/server/src/nlm4.c
index b0ab510..9fd374b 100644
--- a/xlators/nfs/server/src/nlm4.c
+++ b/xlators/nfs/server/src/nlm4.c
@@ -43,6 +43,7 @@
#include "rpc-clnt.h"
#include "nsm-xdr.h"
#include "nlmcbk-xdr.h"
+#include "run.h"
#include <unistd.h>
#include <rpc/pmap_clnt.h>
#include <rpc/rpc.h>
@@ -1828,6 +1829,25 @@ nlm4svc_init(xlator_t *nfsx)
INIT_LIST_HEAD(&nlm_client_list);
LOCK_INIT (&nlm_client_list_lk);
+ /* unlink sm-notify.pid so that when we restart rpc.statd/sm-notify
+ * it thinks that the machine has restarted and sends NOTIFY to clients.
+ */
+ ret = unlink ("/var/run/sm-notify.pid");
+ if (ret == -1 && errno != ENOENT) {
+ gf_log (GF_NLM, GF_LOG_ERROR, "unable to unlink sm-notify");
+ goto err;
+ }
+ /* temporary work around to restart statd, not distro/OS independant.
+ * Need to figure out a more graceful way
+ */
+ ret = runcmd ("killall", "-9", "rpc.statd", NULL);
+ /* if ret == -1, do nothing - case statd was not already running */
+
+ ret = runcmd ("rpc.statd", NULL);
+ if (ret == -1) {
+ gf_log (GF_NLM, GF_LOG_ERROR, "unable to start rpc.statd");
+ goto err;
+ }
pthread_create (&thr, NULL, nsm_thread, (void*)NULL);
timeout.tv_sec = nlm_grace_period;