linux-kernel - [PATCH -mm 2/2] Use freezeable workqueues in XFS

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Message-Id: <200611160918.23641.rjw@sisk.pl>
Date:	Thu, 16 Nov 2006 09:18:21 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Andrew Morton <akpm@...l.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, Pavel Machek <pavel@....cz>,
	Nigel Cunningham <nigel@...pend2.net>,
	David Chinner <dgc@....com>
Subject: [PATCH -mm 2/2] Use freezeable workqueues in XFS

Make the workqueues used by XFS freezeable, so their worker threads don't
submit any I/O after the suspend image has been created.

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
 fs/xfs/linux-2.6/xfs_buf.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux-2.6.19-rc5-mm2/fs/xfs/linux-2.6/xfs_buf.c
===================================================================
--- linux-2.6.19-rc5-mm2.orig/fs/xfs/linux-2.6/xfs_buf.c
+++ linux-2.6.19-rc5-mm2/fs/xfs/linux-2.6/xfs_buf.c
@@ -1826,11 +1826,11 @@ xfs_buf_init(void)
 	if (!xfs_buf_zone)
 		goto out_free_trace_buf;
 
-	xfslogd_workqueue = create_workqueue("xfslogd");
+	xfslogd_workqueue = create_freezeable_workqueue("xfslogd");
 	if (!xfslogd_workqueue)
 		goto out_free_buf_zone;
 
-	xfsdatad_workqueue = create_workqueue("xfsdatad");
+	xfsdatad_workqueue = create_freezeable_workqueue("xfsdatad");
 	if (!xfsdatad_workqueue)
 		goto out_destroy_xfslogd_workqueue;
 
-
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