Commit 8d79d088 authored by Kurt Hackel's avatar Kurt Hackel Committed by Mark Fasheh
Browse files

ocfs2: add a small delay after a failed migration 



Otherwise we risk starving other threads.

Signed-off-by: default avatarKurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: default avatarMark Fasheh <mark.fasheh@oracle.com>
parent 685f1adb

fs/ocfs2/dlm/dlmthread.c

+5 −2
Original line number Diff line number Diff line
@@ -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 @@ void dlm_purge_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *lockres) 
	} 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);