From: Vivek Goyal <vgoyal@redhat.com> To: linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org, dm-devel@redhat.com, jens.axboe@oracle.com, ryov@valinux.co.jp, balbir@linux.vnet.ibm.com, righi.andrea@gmail.com Cc: nauman@google.com, dpshah@google.com, lizf@cn.fujitsu.com, mikew@google.com, fchecconi@gmail.com, paolo.valente@unimore.it, fernando@oss.ntt.co.jp, s-uchida@ap.jp.nec.com, taka@valinux.co.jp, guijianfeng@cn.fujitsu.com, jmoyer@redhat.com, dhaval@linux.vnet.ibm.com, m-ikeda@ds.jp.nec.com, agk@redhat.com, vgoyal@redhat.com, akpm@linux-foundation.org, peterz@infradead.org, jmarchan@redhat.com Subject: [PATCH 09/24] io-controller: Export disk time used and nr sectors dipatched through cgroups Date: Sun, 16 Aug 2009 15:30:31 -0400 [thread overview] Message-ID: <1250451046-9966-10-git-send-email-vgoyal@redhat.com> (raw) In-Reply-To: <1250451046-9966-1-git-send-email-vgoyal@redhat.com> o This patch exports some statistics through cgroup interface. Two of the statistics currently exported are actual disk time assigned to the cgroup and actual number of sectors dispatched to disk on behalf of this cgroup. Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com> Signed-off-by: Vivek Goyal <vgoyal@redhat.com> --- block/elevator-fq.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++ block/elevator-fq.h | 10 +++++++ 2 files changed, 86 insertions(+), 0 deletions(-) diff --git a/block/elevator-fq.c b/block/elevator-fq.c index 8d91ff7..de13d30 100644 --- a/block/elevator-fq.c +++ b/block/elevator-fq.c @@ -13,6 +13,7 @@ #include <linux/blkdev.h> #include <linux/blktrace_api.h> +#include <linux/seq_file.h> #include "elevator-fq.h" const int elv_slice_sync = HZ / 10; @@ -257,6 +258,8 @@ entity_served(struct io_entity *entity, unsigned long served, for_each_entity(entity) { entity->vdisktime += elv_delta_fair(served, entity); update_min_vdisktime(entity->st); + entity->total_time += served; + entity->total_sectors += nr_sectors; } } @@ -850,6 +853,66 @@ STORE_FUNCTION(weight, IO_WEIGHT_MIN, IO_WEIGHT_MAX); STORE_FUNCTION(ioprio_class, IOPRIO_CLASS_RT, IOPRIO_CLASS_IDLE); #undef STORE_FUNCTION +static int io_cgroup_disk_time_read(struct cgroup *cgroup, + struct cftype *cftype, struct seq_file *m) +{ + struct io_cgroup *iocg; + struct io_group *iog; + struct hlist_node *n; + + if (!cgroup_lock_live_group(cgroup)) + return -ENODEV; + + iocg = cgroup_to_io_cgroup(cgroup); + + rcu_read_lock(); + hlist_for_each_entry_rcu(iog, n, &iocg->group_data, group_node) { + /* + * There might be groups which are not functional and + * waiting to be reclaimed upon cgoup deletion. + */ + if (iog->key) { + seq_printf(m, "%u:%u %lu\n", MAJOR(iog->dev), + MINOR(iog->dev), + iog->entity.total_time); + } + } + rcu_read_unlock(); + cgroup_unlock(); + + return 0; +} + +static int io_cgroup_disk_sectors_read(struct cgroup *cgroup, + struct cftype *cftype, struct seq_file *m) +{ + struct io_cgroup *iocg; + struct io_group *iog; + struct hlist_node *n; + + if (!cgroup_lock_live_group(cgroup)) + return -ENODEV; + + iocg = cgroup_to_io_cgroup(cgroup); + + rcu_read_lock(); + hlist_for_each_entry_rcu(iog, n, &iocg->group_data, group_node) { + /* + * There might be groups which are not functional and + * waiting to be reclaimed upon cgoup deletion. + */ + if (iog->key) { + seq_printf(m, "%u:%u %lu\n", MAJOR(iog->dev), + MINOR(iog->dev), + iog->entity.total_sectors); + } + } + rcu_read_unlock(); + cgroup_unlock(); + + return 0; +} + struct cftype io_files[] = { { .name = "weight", @@ -861,6 +924,14 @@ struct cftype io_files[] = { .read_u64 = io_cgroup_ioprio_class_read, .write_u64 = io_cgroup_ioprio_class_write, }, + { + .name = "disk_time", + .read_seq_string = io_cgroup_disk_time_read, + }, + { + .name = "disk_sectors", + .read_seq_string = io_cgroup_disk_sectors_read, + }, }; static int iocg_populate(struct cgroup_subsys *subsys, struct cgroup *cgroup) @@ -952,6 +1023,8 @@ io_group_chain_alloc(struct request_queue *q, void *key, struct cgroup *cgroup) struct io_cgroup *iocg; struct io_group *iog, *leaf = NULL, *prev = NULL; gfp_t flags = GFP_ATOMIC | __GFP_ZERO; + unsigned int major, minor; + struct backing_dev_info *bdi = &q->backing_dev_info; for (; cgroup != NULL; cgroup = cgroup->parent) { iocg = cgroup_to_io_cgroup(cgroup); @@ -972,6 +1045,9 @@ io_group_chain_alloc(struct request_queue *q, void *key, struct cgroup *cgroup) iog->iocg_id = css_id(&iocg->css); + sscanf(dev_name(bdi->dev), "%u:%u", &major, &minor); + iog->dev = MKDEV(major, minor); + io_group_init_entity(iocg, iog); atomic_set(&iog->ref, 0); diff --git a/block/elevator-fq.h b/block/elevator-fq.h index 671f366..e1d5bdd 100644 --- a/block/elevator-fq.h +++ b/block/elevator-fq.h @@ -52,6 +52,13 @@ struct io_entity { unsigned short ioprio, ioprio_class; int ioprio_changed; + + /* + * Keep track of total service received by this entity. Keep the + * stats both for time slices and number of sectors dispatched + */ + unsigned long total_time; + unsigned long total_sectors; }; /* @@ -103,6 +110,9 @@ struct io_group { struct io_queue *async_idle_queue; void *key; struct rcu_head rcu_head; + + /* The device MKDEV(major, minor), this group has been created for */ + dev_t dev; }; struct io_cgroup { -- 1.6.0.6
WARNING: multiple messages have this Message-ID (diff)
From: Vivek Goyal <vgoyal@redhat.com> To: linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org, dm-devel@redhat.com, jens.axboe@oracle.com, ryov@valinux.co.jp, balbir@linux.vnet.ibm.com, righi.andrea@gmail.com Cc: paolo.valente@unimore.it, jmarchan@redhat.com, dhaval@linux.vnet.ibm.com, peterz@infradead.org, guijianfeng@cn.fujitsu.com, fernando@oss.ntt.co.jp, lizf@cn.fujitsu.com, jmoyer@redhat.com, mikew@google.com, fchecconi@gmail.com, dpshah@google.com, vgoyal@redhat.com, nauman@google.com, s-uchida@ap.jp.nec.com, akpm@linux-foundation.org, agk@redhat.com, m-ikeda@ds.jp.nec.com Subject: [PATCH 09/24] io-controller: Export disk time used and nr sectors dipatched through cgroups Date: Sun, 16 Aug 2009 15:30:31 -0400 [thread overview] Message-ID: <1250451046-9966-10-git-send-email-vgoyal@redhat.com> (raw) In-Reply-To: <1250451046-9966-1-git-send-email-vgoyal@redhat.com> o This patch exports some statistics through cgroup interface. Two of the statistics currently exported are actual disk time assigned to the cgroup and actual number of sectors dispatched to disk on behalf of this cgroup. Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com> Signed-off-by: Vivek Goyal <vgoyal@redhat.com> --- block/elevator-fq.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++ block/elevator-fq.h | 10 +++++++ 2 files changed, 86 insertions(+), 0 deletions(-) diff --git a/block/elevator-fq.c b/block/elevator-fq.c index 8d91ff7..de13d30 100644 --- a/block/elevator-fq.c +++ b/block/elevator-fq.c @@ -13,6 +13,7 @@ #include <linux/blkdev.h> #include <linux/blktrace_api.h> +#include <linux/seq_file.h> #include "elevator-fq.h" const int elv_slice_sync = HZ / 10; @@ -257,6 +258,8 @@ entity_served(struct io_entity *entity, unsigned long served, for_each_entity(entity) { entity->vdisktime += elv_delta_fair(served, entity); update_min_vdisktime(entity->st); + entity->total_time += served; + entity->total_sectors += nr_sectors; } } @@ -850,6 +853,66 @@ STORE_FUNCTION(weight, IO_WEIGHT_MIN, IO_WEIGHT_MAX); STORE_FUNCTION(ioprio_class, IOPRIO_CLASS_RT, IOPRIO_CLASS_IDLE); #undef STORE_FUNCTION +static int io_cgroup_disk_time_read(struct cgroup *cgroup, + struct cftype *cftype, struct seq_file *m) +{ + struct io_cgroup *iocg; + struct io_group *iog; + struct hlist_node *n; + + if (!cgroup_lock_live_group(cgroup)) + return -ENODEV; + + iocg = cgroup_to_io_cgroup(cgroup); + + rcu_read_lock(); + hlist_for_each_entry_rcu(iog, n, &iocg->group_data, group_node) { + /* + * There might be groups which are not functional and + * waiting to be reclaimed upon cgoup deletion. + */ + if (iog->key) { + seq_printf(m, "%u:%u %lu\n", MAJOR(iog->dev), + MINOR(iog->dev), + iog->entity.total_time); + } + } + rcu_read_unlock(); + cgroup_unlock(); + + return 0; +} + +static int io_cgroup_disk_sectors_read(struct cgroup *cgroup, + struct cftype *cftype, struct seq_file *m) +{ + struct io_cgroup *iocg; + struct io_group *iog; + struct hlist_node *n; + + if (!cgroup_lock_live_group(cgroup)) + return -ENODEV; + + iocg = cgroup_to_io_cgroup(cgroup); + + rcu_read_lock(); + hlist_for_each_entry_rcu(iog, n, &iocg->group_data, group_node) { + /* + * There might be groups which are not functional and + * waiting to be reclaimed upon cgoup deletion. + */ + if (iog->key) { + seq_printf(m, "%u:%u %lu\n", MAJOR(iog->dev), + MINOR(iog->dev), + iog->entity.total_sectors); + } + } + rcu_read_unlock(); + cgroup_unlock(); + + return 0; +} + struct cftype io_files[] = { { .name = "weight", @@ -861,6 +924,14 @@ struct cftype io_files[] = { .read_u64 = io_cgroup_ioprio_class_read, .write_u64 = io_cgroup_ioprio_class_write, }, + { + .name = "disk_time", + .read_seq_string = io_cgroup_disk_time_read, + }, + { + .name = "disk_sectors", + .read_seq_string = io_cgroup_disk_sectors_read, + }, }; static int iocg_populate(struct cgroup_subsys *subsys, struct cgroup *cgroup) @@ -952,6 +1023,8 @@ io_group_chain_alloc(struct request_queue *q, void *key, struct cgroup *cgroup) struct io_cgroup *iocg; struct io_group *iog, *leaf = NULL, *prev = NULL; gfp_t flags = GFP_ATOMIC | __GFP_ZERO; + unsigned int major, minor; + struct backing_dev_info *bdi = &q->backing_dev_info; for (; cgroup != NULL; cgroup = cgroup->parent) { iocg = cgroup_to_io_cgroup(cgroup); @@ -972,6 +1045,9 @@ io_group_chain_alloc(struct request_queue *q, void *key, struct cgroup *cgroup) iog->iocg_id = css_id(&iocg->css); + sscanf(dev_name(bdi->dev), "%u:%u", &major, &minor); + iog->dev = MKDEV(major, minor); + io_group_init_entity(iocg, iog); atomic_set(&iog->ref, 0); diff --git a/block/elevator-fq.h b/block/elevator-fq.h index 671f366..e1d5bdd 100644 --- a/block/elevator-fq.h +++ b/block/elevator-fq.h @@ -52,6 +52,13 @@ struct io_entity { unsigned short ioprio, ioprio_class; int ioprio_changed; + + /* + * Keep track of total service received by this entity. Keep the + * stats both for time slices and number of sectors dispatched + */ + unsigned long total_time; + unsigned long total_sectors; }; /* @@ -103,6 +110,9 @@ struct io_group { struct io_queue *async_idle_queue; void *key; struct rcu_head rcu_head; + + /* The device MKDEV(major, minor), this group has been created for */ + dev_t dev; }; struct io_cgroup { -- 1.6.0.6
next prev parent reply other threads:[~2009-08-16 19:36 UTC|newest] Thread overview: 135+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-08-16 19:30 [RFC] IO scheduler based IO controller V8 Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 01/24] io-controller: Documentation Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal [not found] ` <1250451046-9966-2-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-08-25 3:36 ` Rik van Riel 2009-08-25 3:36 ` Rik van Riel 2009-08-25 3:36 ` Rik van Riel 2009-08-16 19:30 ` [PATCH 02/24] io-controller: Core of the elevator fair queuing Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-17 5:29 ` Gui Jianfeng 2009-08-17 5:29 ` Gui Jianfeng 2009-08-17 20:37 ` Vivek Goyal 2009-08-17 20:37 ` Vivek Goyal [not found] ` <4A88EACC.6010805-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-08-17 20:37 ` Vivek Goyal 2009-08-19 16:01 ` Jerome Marchand 2009-08-19 18:41 ` Vivek Goyal 2009-08-19 18:41 ` Vivek Goyal 2009-08-20 14:51 ` Jerome Marchand 2009-08-20 15:04 ` Vivek Goyal 2009-08-20 15:04 ` Vivek Goyal [not found] ` <4A8D6302.3080301-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-08-20 15:04 ` Vivek Goyal [not found] ` <20090819184142.GD4391-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-08-20 14:51 ` Jerome Marchand [not found] ` <4A8C21DE.1080001-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-08-19 18:41 ` Vivek Goyal 2009-08-19 18:30 ` Vivek Goyal 2009-08-19 18:30 ` Vivek Goyal 2009-08-21 1:54 ` Gui Jianfeng [not found] ` <4A8DFE3A.6030503-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-08-21 2:00 ` Vivek Goyal 2009-08-21 2:00 ` Vivek Goyal 2009-08-21 2:00 ` Vivek Goyal [not found] ` <1250451046-9966-3-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-08-17 5:29 ` Gui Jianfeng 2009-08-19 16:01 ` Jerome Marchand 2009-08-19 18:30 ` Vivek Goyal 2009-08-21 1:54 ` Gui Jianfeng 2009-08-27 2:49 ` Gui Jianfeng 2009-08-27 2:49 ` Gui Jianfeng 2009-08-27 21:08 ` Vivek Goyal 2009-08-27 21:08 ` Vivek Goyal [not found] ` <4A95F444.9040705-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-08-27 21:08 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 03/24] io-controller: Common flat fair queuing code in elevaotor layer Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-19 3:36 ` Gui Jianfeng [not found] ` <4A8B7336.7010800-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-08-19 18:39 ` Vivek Goyal 2009-08-19 18:39 ` Vivek Goyal 2009-08-19 18:39 ` Vivek Goyal [not found] ` <1250451046-9966-4-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-08-19 3:36 ` Gui Jianfeng 2009-08-19 3:36 ` Gui Jianfeng 2009-08-16 19:30 ` [PATCH 04/24] io-controller: Modify cfq to make use of flat elevator fair queuing Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 05/24] io-controller: Core scheduler changes to support hierarhical scheduling Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 06/24] io-controller: cgroup related changes for hierarchical group support Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 07/24] io-controller: Common hierarchical fair queuing code in elevaotor layer Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal [not found] ` <1250451046-9966-1-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-08-16 19:30 ` [PATCH 01/24] io-controller: Documentation Vivek Goyal 2009-08-16 19:30 ` [PATCH 02/24] io-controller: Core of the elevator fair queuing Vivek Goyal 2009-08-16 19:30 ` [PATCH 03/24] io-controller: Common flat fair queuing code in elevaotor layer Vivek Goyal 2009-08-16 19:30 ` [PATCH 04/24] io-controller: Modify cfq to make use of flat elevator fair queuing Vivek Goyal 2009-08-16 19:30 ` [PATCH 05/24] io-controller: Core scheduler changes to support hierarhical scheduling Vivek Goyal 2009-08-16 19:30 ` [PATCH 06/24] io-controller: cgroup related changes for hierarchical group support Vivek Goyal 2009-08-16 19:30 ` [PATCH 07/24] io-controller: Common hierarchical fair queuing code in elevaotor layer Vivek Goyal 2009-08-16 19:30 ` [PATCH 08/24] io-controller: cfq changes to use " Vivek Goyal 2009-08-16 19:30 ` [PATCH 09/24] io-controller: Export disk time used and nr sectors dipatched through cgroups Vivek Goyal 2009-08-16 19:30 ` [PATCH 10/24] io-controller: Debug hierarchical IO scheduling Vivek Goyal 2009-08-16 19:30 ` [PATCH 11/24] io-controller: Introduce group idling Vivek Goyal 2009-08-16 19:30 ` [PATCH 12/24] io-controller: Wait for requests to complete from last queue before new queue is scheduled Vivek Goyal 2009-08-16 19:30 ` [PATCH 13/24] io-controller: Separate out queue and data Vivek Goyal 2009-08-16 19:30 ` [PATCH 14/24] io-conroller: Prepare elevator layer for single queue schedulers Vivek Goyal 2009-08-16 19:30 ` [PATCH 15/24] io-controller: noop changes for hierarchical fair queuing Vivek Goyal 2009-08-16 19:30 ` [PATCH 16/24] io-controller: deadline " Vivek Goyal 2009-08-16 19:30 ` [PATCH 17/24] io-controller: anticipatory " Vivek Goyal 2009-08-16 19:30 ` [PATCH 18/24] blkio_cgroup patches from Ryo to track async bios Vivek Goyal 2009-08-16 19:30 ` [PATCH 19/24] io-controller: map async requests to appropriate cgroup Vivek Goyal 2009-08-16 19:30 ` [PATCH 20/24] io-controller: Per cgroup request descriptor support Vivek Goyal 2009-08-16 19:30 ` [PATCH 21/24] io-controller: Per io group bdi congestion interface Vivek Goyal 2009-08-16 19:30 ` [PATCH 22/24] io-controller: Support per cgroup per device weights and io class Vivek Goyal 2009-08-16 19:30 ` [PATCH 23/24] io-controller: map sync requests to group using bio tracking info Vivek Goyal 2009-08-16 19:30 ` [PATCH 24/24] io-controller: debug elevator fair queuing support Vivek Goyal 2009-08-16 19:53 ` [RFC] IO scheduler based IO controller V8 Vivek Goyal 2009-08-16 19:30 ` [PATCH 08/24] io-controller: cfq changes to use hierarchical fair queuing code in elevaotor layer Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal [this message] 2009-08-16 19:30 ` [PATCH 09/24] io-controller: Export disk time used and nr sectors dipatched through cgroups Vivek Goyal 2009-08-16 19:30 ` [PATCH 10/24] io-controller: Debug hierarchical IO scheduling Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 11/24] io-controller: Introduce group idling Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-20 1:46 ` [PATCH] IO-Controller: clear ioq wait flag if a request goes into that ioq Gui Jianfeng [not found] ` <4A8CAAE2.1030804-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-08-20 13:42 ` Vivek Goyal 2009-08-20 13:42 ` Vivek Goyal 2009-08-20 13:42 ` Vivek Goyal [not found] ` <20090820134221.GC10615-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-08-21 0:57 ` Gui Jianfeng 2009-08-21 0:57 ` Gui Jianfeng [not found] ` <1250451046-9966-12-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-08-20 1:46 ` Gui Jianfeng 2009-08-28 1:12 ` [PATCH 11/24] io-controller: Introduce group idling Gui Jianfeng 2009-08-28 1:12 ` Gui Jianfeng 2009-08-28 1:12 ` Gui Jianfeng 2009-08-16 19:30 ` [PATCH 12/24] io-controller: Wait for requests to complete from last queue before new queue is scheduled Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-24 3:30 ` Gui Jianfeng [not found] ` <1250451046-9966-13-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-08-24 3:30 ` Gui Jianfeng 2009-08-16 19:30 ` [PATCH 13/24] io-controller: Separate out queue and data Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 14/24] io-conroller: Prepare elevator layer for single queue schedulers Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 15/24] io-controller: noop changes for hierarchical fair queuing Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 16/24] io-controller: deadline " Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 17/24] io-controller: anticipatory " Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 18/24] blkio_cgroup patches from Ryo to track async bios Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-18 11:42 ` Ryo Tsuruta 2009-08-18 11:42 ` Ryo Tsuruta [not found] ` <20090818.204212.59676649.ryov-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org> 2009-08-18 14:26 ` Vivek Goyal 2009-08-18 14:26 ` Vivek Goyal 2009-08-18 14:26 ` Vivek Goyal 2009-08-19 1:43 ` Ryo Tsuruta [not found] ` <20090818142636.GA7367-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-08-19 1:43 ` Ryo Tsuruta [not found] ` <1250451046-9966-19-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-08-18 11:42 ` Ryo Tsuruta 2009-08-16 19:30 ` [PATCH 19/24] io-controller: map async requests to appropriate cgroup Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 20/24] io-controller: Per cgroup request descriptor support Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 21/24] io-controller: Per io group bdi congestion interface Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 22/24] io-controller: Support per cgroup per device weights and io class Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 23/24] io-controller: map sync requests to group using bio tracking info Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:30 ` [PATCH 24/24] io-controller: debug elevator fair queuing support Vivek Goyal 2009-08-16 19:30 ` Vivek Goyal 2009-08-16 19:53 ` [RFC] IO scheduler based IO controller V8 Vivek Goyal 2009-08-16 19:53 ` Vivek Goyal
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