[PATCH] 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@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Cc: Nigel Cunningham <nigel@suspend2.net>
Cc: David Chinner <dgc@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index b971237..4fb01ff 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1827,11 +1827,11 @@ 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;