ocfs2: add a small delay after a failed migration
Otherwise we risk starving other threads.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 44d3b57..22bb58a 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -39,6 +39,7 @@
#include <linux/inet.h>
#include <linux/timer.h>
#include <linux/kthread.h>
+#include <linux/delay.h>
#include "cluster/heartbeat.h"
@@ -165,6 +166,7 @@
} else if (ret < 0) {
mlog(ML_NOTICE, "lockres %.*s: migrate failed, retrying\n",
lockres->lockname.len, lockres->lockname.name);
+ msleep(100);
goto again;
}
@@ -640,8 +642,9 @@
* spinlock and do NOT have the dlm lock.
* safe to reserve/queue asts and run the lists. */
- mlog(0, "calling dlm_shuffle_lists with dlm=%p, "
- "res=%p\n", dlm, res);
+ mlog(0, "calling dlm_shuffle_lists with dlm=%s, "
+ "res=%.*s\n", dlm->name,
+ res->lockname.len, res->lockname.name);
/* called while holding lockres lock */
dlm_shuffle_lists(dlm, res);