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Go Back   Linux Archive > Redhat > Device-mapper Development

 
 
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Old 08-04-2008, 09:01 AM
Ryo Tsuruta
 
Default bio-cgroup: Add a cgroup support to dm-ioband

With this patch, dm-ioband can work with the bio cgroup.

Based on 2.6.27-rc1-mm1
Signed-off-by: Ryo Tsuruta <ryov@valinux.co.jp>
Signed-off-by: Hirokazu Takahashi <taka@valinux.co.jp>

diff -Ndupr linux-2.6.27-rc1-mm1.cg2/drivers/md/dm-ioband-type.c linux-2.6.27-rc1-mm1.cg3/drivers/md/dm-ioband-type.c
--- linux-2.6.27-rc1-mm1.cg2/drivers/md/dm-ioband-type.c 2008-08-01 16:53:57.000000000 +0900
+++ linux-2.6.27-rc1-mm1.cg3/drivers/md/dm-ioband-type.c 2008-08-01 19:44:36.000000000 +0900
@@ -6,6 +6,7 @@
* This file is released under the GPL.
*/
#include <linux/bio.h>
+#include <linux/biocontrol.h>
#include "dm.h"
#include "dm-bio-list.h"
#include "dm-ioband.h"
@@ -53,13 +54,13 @@ 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 */
+ struct io_context *ioc = get_bio_cgroup_iocontext(bio);
+ int id = 0;
+ if (ioc) {
+ id = ioc->id;
+ put_io_context(ioc);
+ }
+ return id;
}

struct group_type dm_ioband_group_type[] = {

--
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https://www.redhat.com/mailman/listinfo/dm-devel
 
Old 08-12-2008, 12:37 PM
Ryo Tsuruta
 
Default bio-cgroup: Add a cgroup support to dm-ioband

With this patch, dm-ioband can work with the bio cgroup.

Based on 2.6.27-rc1-mm1
Signed-off-by: Ryo Tsuruta <ryov@valinux.co.jp>
Signed-off-by: Hirokazu Takahashi <taka@valinux.co.jp>

diff -Ndupr linux-2.6.27-rc1-mm1.cg2/drivers/md/dm-ioband-type.c linux-2.6.27-rc1-mm1.cg3/drivers/md/dm-ioband-type.c
--- linux-2.6.27-rc1-mm1.cg2/drivers/md/dm-ioband-type.c 2008-08-12 14:45:59.000000000 +0900
+++ linux-2.6.27-rc1-mm1.cg3/drivers/md/dm-ioband-type.c 2008-08-12 15:07:03.000000000 +0900
@@ -6,6 +6,7 @@
* This file is released under the GPL.
*/
#include <linux/bio.h>
+#include <linux/biocontrol.h>
#include "dm.h"
#include "dm-bio-list.h"
#include "dm-ioband.h"
@@ -53,13 +54,13 @@ 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 */
+ struct io_context *ioc = get_bio_cgroup_iocontext(bio);
+ int id = 0;
+ if (ioc) {
+ id = ioc->id;
+ put_io_context(ioc);
+ }
+ return id;
}

struct group_type dm_ioband_group_type[] = {

--
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Old 09-19-2008, 11:03 AM
Ryo Tsuruta
 
Default bio-cgroup: Add a cgroup support to dm-ioband

With this patch, dm-ioband can work with the bio cgroup.

Based on 2.6.27-rc1-mm1
Signed-off-by: Ryo Tsuruta <ryov@valinux.co.jp>
Signed-off-by: Hirokazu Takahashi <taka@valinux.co.jp>

diff -Ndupr linux-2.6.27-rc1-mm1.cg2/drivers/md/dm-ioband-type.c linux-2.6.27-rc1-mm1.cg3/drivers/md/dm-ioband-type.c
--- linux-2.6.27-rc1-mm1.cg2/drivers/md/dm-ioband-type.c 2008-09-19 10:55:46.000000000 +0900
+++ linux-2.6.27-rc1-mm1.cg3/drivers/md/dm-ioband-type.c 2008-09-19 18:51:00.000000000 +0900
@@ -6,6 +6,7 @@
* This file is released under the GPL.
*/
#include <linux/bio.h>
+#include <linux/biocontrol.h>
#include "dm.h"
#include "dm-bio-list.h"
#include "dm-ioband.h"
@@ -53,13 +54,13 @@ 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 */
+ struct io_context *ioc = get_bio_cgroup_iocontext(bio);
+ int id = 0;
+ if (ioc) {
+ id = ioc->id;
+ put_io_context(ioc);
+ }
+ return id;
}

struct group_type dm_ioband_group_type[] = {

--
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dm-devel@redhat.com
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Old 09-24-2008, 10:14 AM
Ryo Tsuruta
 
Default bio-cgroup: Add a cgroup support to dm-ioband

With this patch, dm-ioband can work with the bio cgroup.

Based on 2.6.27-rc5-mm1
Signed-off-by: Ryo Tsuruta <ryov@valinux.co.jp>
Signed-off-by: Hirokazu Takahashi <taka@valinux.co.jp>

diff -Ndupr linux-2.6.27-rc5-mm1.cg2/drivers/md/dm-ioband-type.c linux-2.6.27-rc5-mm1.cg3/drivers/md/dm-ioband-type.c
--- linux-2.6.27-rc5-mm1.cg2/drivers/md/dm-ioband-type.c 2008-09-24 16:23:13.000000000 +0900
+++ linux-2.6.27-rc5-mm1.cg3/drivers/md/dm-ioband-type.c 2008-09-24 16:34:52.000000000 +0900
@@ -6,6 +6,7 @@
* This file is released under the GPL.
*/
#include <linux/bio.h>
+#include <linux/biocontrol.h>
#include "dm.h"
#include "dm-bio-list.h"
#include "dm-ioband.h"
@@ -53,13 +54,13 @@ 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 */
+ struct io_context *ioc = get_bio_cgroup_iocontext(bio);
+ int id = 0;
+ if (ioc) {
+ id = ioc->id;
+ put_io_context(ioc);
+ }
+ return id;
}

struct group_type dm_ioband_group_type[] = {

--
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Old 11-13-2008, 02:15 AM
Ryo Tsuruta
 
Default bio-cgroup: Add a cgroup support to dm-ioband

With this patch, dm-ioband can work with the bio cgroup.

Signed-off-by: Hirokazu Takahashi <taka@valinux.co.jp>

diff -dupr linux-2.6.28-rc2.bc3/drivers/md/dm-ioband-type.c linux-2.6.28-rc2/drivers/md/dm-ioband-type.c
--- linux-2.6.28-rc2.bc3/drivers/md/dm-ioband-type.c 2008-11-12 11:22:19.000000000 +0900
+++ linux-2.6.28-rc2/drivers/md/dm-ioband-type.c 2008-11-12 11:23:18.000000000 +0900
@@ -6,6 +6,7 @@
* This file is released under the GPL.
*/
#include <linux/bio.h>
+#include <linux/biotrack.h>
#include "dm.h"
#include "dm-bio-list.h"
#include "dm-ioband.h"
@@ -53,13 +54,7 @@ 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_bio_cgroup_id(bio);
}

struct group_type dm_ioband_group_type[] = {

--
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