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Message-Id: <20090428.214705.112621770.ryov@valinux.co.jp>
Date: Tue, 28 Apr 2009 21:47:05 +0900 (JST)
From: Ryo Tsuruta <ryov@...inux.co.jp>
To: linux-kernel@...r.kernel.org, dm-devel@...hat.com,
containers@...ts.linux-foundation.org,
virtualization@...ts.linux-foundation.org,
xen-devel@...ts.xensource.com
Subject: [PATCH 6/7] blkio-cgroup: Add a cgroup support to dm-ioband
With this patch, dm-ioband can work with the blkio-cgroup.
Based on 2.6.30-rc3-git3
Signed-off-by: Hirokazu Takahashi <taka@...inux.co.jp>
Signed-off-by: Ryo Tsuruta <ryov@...inux.co.jp>
---
drivers/md/dm-ioband-type.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
Index: linux-2.6.30-rc3-git3/drivers/md/dm-ioband-type.c
===================================================================
--- linux-2.6.30-rc3-git3.orig/drivers/md/dm-ioband-type.c
+++ linux-2.6.30-rc3-git3/drivers/md/dm-ioband-type.c
@@ -6,6 +6,7 @@
* This file is released under the GPL.
*/
#include <linux/bio.h>
+#include <linux/biotrack.h>
#include "dm.h"
#include "dm-ioband.h"
@@ -52,14 +53,7 @@ static int ioband_node(struct bio *bio)
static int ioband_cgroup(struct bio *bio)
{
- /*
- * This function should return the ID of the cgroup which
- * issued "bio". The ID of the cgroup which the current
- * process belongs to won't be suitable ID for this purpose,
- * since some BIOs will be handled by kernel threads like aio
- * or pdflush on behalf of the process requesting the BIOs.
- */
- return 0; /* not implemented yet */
+ return get_blkio_cgroup_id(bio);
}
struct group_type dm_ioband_group_type[] = {
--
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