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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>
This commit is contained in:
Kurt Hackel 2006-04-27 17:58:23 -07:00 committed by Mark Fasheh
parent 685f1adb38
commit 8d79d088e8
1 changed files with 5 additions and 2 deletions
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7
fs/ocfs2/dlm/dlmthread.c
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@ -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 @@ again:
} 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 @@ static int dlm_thread(void *data)
* 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);