linux-kernel - [PATCH] Make XFS workqueues nonfreezable

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Message-Id: <200703010054.33536.rjw@sisk.pl>
Date:	Thu, 1 Mar 2007 00:54:32 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Pavel Machek <pavel@....cz>, Oleg Nesterov <oleg@...sign.ru>,
	vatsa@...ibm.com, Gautham R Shenoy <ego@...ibm.com>,
	Johannes Berg <johannes@...solutions.net>,
	LKML <linux-kernel@...r.kernel.org>, David Chinner <dgc@....com>,
	Nigel Cunningham <ncunningham@...uxmail.org>
Subject: [PATCH] Make XFS workqueues nonfreezable

Since freezable workqueues are broken in 2.6.21-rc
(cf. http://marc.theaimsgroup.com/?l=linux-kernel&m=116855740612755,
http://marc.theaimsgroup.com/?l=linux-kernel&m=117261312523921&w=2)
it's better to change the only user of them, which is XFS, to use "normal"
nonfreezable workqueues.

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-2.6.21-rc2/fs/xfs/linux-2.6/xfs_buf.c
===================================================================
--- linux-2.6.21-rc2.orig/fs/xfs/linux-2.6/xfs_buf.c
+++ linux-2.6.21-rc2/fs/xfs/linux-2.6/xfs_buf.c
@@ -1829,11 +1829,11 @@ xfs_buf_init(void)
 	if (!xfs_buf_zone)
 		goto out_free_trace_buf;
 
-	xfslogd_workqueue = create_freezeable_workqueue("xfslogd");
+	xfslogd_workqueue = create_workqueue("xfslogd");
 	if (!xfslogd_workqueue)
 		goto out_free_buf_zone;
 
-	xfsdatad_workqueue = create_freezeable_workqueue("xfsdatad");
+	xfsdatad_workqueue = create_workqueue("xfsdatad");
 	if (!xfsdatad_workqueue)
 		goto out_destroy_xfslogd_workqueue;
 
-
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