From: Gui Jianfeng <guijianfeng@cn.fujitsu.com> To: Vivek Goyal <vgoyal@redhat.com> Cc: nauman@google.com, dpshah@google.com, lizf@cn.fujitsu.com, mikew@google.com, fchecconi@gmail.com, paolo.valente@unimore.it, jens.axboe@oracle.com, ryov@valinux.co.jp, fernando@oss.ntt.co.jp, s-uchida@ap.jp.nec.com, taka@valinux.co.jp, jmoyer@redhat.com, dhaval@linux.vnet.ibm.com, balbir@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org, righi.andrea@gmail.com, agk@redhat.com, dm-devel@redhat.com, snitzer@redhat.com, m-ikeda@ds.jp.nec.com, akpm@linux-foundation.org Subject: Re: [PATCH 08/18] io-controller: idle for sometime on sync queue before expiring it Date: Wed, 10 Jun 2009 09:30:38 +0800 [thread overview] Message-ID: <4A2F0CBE.8030208@cn.fujitsu.com> (raw) In-Reply-To: <20090609175131.GB13476@redhat.com> Vivek Goyal wrote: > On Tue, Jun 09, 2009 at 03:56:38PM +0800, Gui Jianfeng wrote: >> Vivek Goyal wrote: >> ... >>> +ssize_t elv_fairness_store(struct request_queue *q, const char *name, >>> + size_t count) >>> +{ >>> + struct elv_fq_data *efqd; >>> + unsigned int data; >>> + unsigned long flags; >>> + >>> + char *p = (char *)name; >>> + >>> + data = simple_strtoul(p, &p, 10); >>> + >>> + if (data < 0) >>> + data = 0; >>> + else if (data > INT_MAX) >>> + data = INT_MAX; >> Hi Vivek, >> >> data might overflow on 64 bit systems. In addition, since "fairness" is nothing >> more than a switch, just let it be. >> >> Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com> >> --- > > Hi Gui, > > How about following patch? Currently this should apply at the end of the > patch series. If it looks good, I will merge the changes in higher level > patches. This patch seems good to me. Some trivial issues comment below. > > Thanks > Vivek > > o Previously common layer elevator parameters were appearing as request > queue parameters in sysfs. But actually these are io scheduler parameters > in hiearchical mode. Fix it. > > o Use macros to define multiple sysfs C functions doing the same thing. Code > borrowed from CFQ. Helps reduce the number of lines of by 140. > > Signed-off-by: Vivek Goyal <vgoyal@redhat.com> ... \ > +} > +SHOW_FUNCTION(elv_fairness_show, efqd->fairness, 0); > +EXPORT_SYMBOL(elv_fairness_show); > +SHOW_FUNCTION(elv_slice_idle_show, efqd->elv_slice_idle, 1); > +EXPORT_SYMBOL(elv_slice_idle_show); > +SHOW_FUNCTION(elv_async_slice_idle_show, efqd->elv_async_slice_idle, 1); > +EXPORT_SYMBOL(elv_async_slice_idle_show); > +SHOW_FUNCTION(elv_slice_sync_show, efqd->elv_slice[1], 1); > +EXPORT_SYMBOL(elv_slice_sync_show); > +SHOW_FUNCTION(elv_slice_async_show, efqd->elv_slice[0], 1); > +EXPORT_SYMBOL(elv_slice_async_show); > +#undef SHOW_FUNCTION > + > +#define STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, __CONV) \ > +ssize_t __FUNC(struct elevator_queue *e, const char *page, size_t count) \ > +{ \ > + struct elv_fq_data *efqd = &e->efqd; \ > + unsigned int __data; \ > + int ret = elv_var_store(&__data, (page), count); \ Since simple_strtoul returns unsigned long, it's better to make __data be that type. > + if (__data < (MIN)) \ > + __data = (MIN); \ > + else if (__data > (MAX)) \ > + __data = (MAX); \ > + if (__CONV) \ > + *(__PTR) = msecs_to_jiffies(__data); \ > + else \ > + *(__PTR) = __data; \ > + return ret; \ > +} > +STORE_FUNCTION(elv_fairness_store, &efqd->fairness, 0, 1, 0); > +EXPORT_SYMBOL(elv_fairness_store); > +STORE_FUNCTION(elv_slice_idle_store, &efqd->elv_slice_idle, 0, UINT_MAX, 1); Do we need to set an actual max limitation rather than UINT_MAX for these entries? > +EXPORT_SYMBOL(elv_slice_idle_store); > +STORE_FUNCTION(elv_async_slice_idle_store, &efqd->elv_async_slice_idle, 0, UINT_MAX, 1); > +EXPORT_SYMBOL(elv_async_slice_idle_store); > +STORE_FUNCTION(elv_slice_sync_store, &efqd->elv_slice[1], 1, UINT_MAX, 1); > +EXPORT_SYMBOL(elv_slice_sync_store); > +STORE_FUNCTION(elv_slice_async_store, &efqd->elv_slice[0], 1, UINT_MAX, 1); > +EXPORT_SYMBOL(elv_slice_async_store); > +#undef STORE_FUNCTION > > void elv_schedule_dispatch(struct request_queue *q) > { > Index: linux18/block/blk-sysfs.c > =================================================================== > --- linux18.orig/block/blk-sysfs.c 2009-06-09 10:34:59.000000000 -0400 > +++ linux18/block/blk-sysfs.c 2009-06-09 13:24:42.000000000 -0400 > @@ -307,38 +307,6 @@ static struct queue_sysfs_entry queue_io > .store = queue_iostats_store, > }; > > -#ifdef CONFIG_ELV_FAIR_QUEUING > -static struct queue_sysfs_entry queue_slice_idle_entry = { > - .attr = {.name = "slice_idle", .mode = S_IRUGO | S_IWUSR }, > - .show = elv_slice_idle_show, > - .store = elv_slice_idle_store, > -}; > - > -static struct queue_sysfs_entry queue_async_slice_idle_entry = { > - .attr = {.name = "async_slice_idle", .mode = S_IRUGO | S_IWUSR }, > - .show = elv_async_slice_idle_show, > - .store = elv_async_slice_idle_store, > -}; > - > -static struct queue_sysfs_entry queue_slice_sync_entry = { > - .attr = {.name = "slice_sync", .mode = S_IRUGO | S_IWUSR }, > - .show = elv_slice_sync_show, > - .store = elv_slice_sync_store, > -}; > - > -static struct queue_sysfs_entry queue_slice_async_entry = { > - .attr = {.name = "slice_async", .mode = S_IRUGO | S_IWUSR }, > - .show = elv_slice_async_show, > - .store = elv_slice_async_store, > -}; > - > -static struct queue_sysfs_entry queue_fairness_entry = { > - .attr = {.name = "fairness", .mode = S_IRUGO | S_IWUSR }, > - .show = elv_fairness_show, > - .store = elv_fairness_store, > -}; > -#endif > - > static struct attribute *default_attrs[] = { > &queue_requests_entry.attr, > #ifdef CONFIG_GROUP_IOSCHED > @@ -353,13 +321,6 @@ static struct attribute *default_attrs[] > &queue_nomerges_entry.attr, > &queue_rq_affinity_entry.attr, > &queue_iostats_entry.attr, > -#ifdef CONFIG_ELV_FAIR_QUEUING > - &queue_slice_idle_entry.attr, > - &queue_async_slice_idle_entry.attr, > - &queue_slice_sync_entry.attr, > - &queue_slice_async_entry.attr, > - &queue_fairness_entry.attr, > -#endif > NULL, > }; > > Index: linux18/block/cfq-iosched.c > =================================================================== > --- linux18.orig/block/cfq-iosched.c 2009-06-09 10:34:55.000000000 -0400 > +++ linux18/block/cfq-iosched.c 2009-06-09 13:25:42.000000000 -0400 > @@ -2095,6 +2095,11 @@ static struct elv_fs_entry cfq_attrs[] = > CFQ_ATTR(back_seek_max), > CFQ_ATTR(back_seek_penalty), > CFQ_ATTR(slice_async_rq), > + ELV_ATTR(fairness), > + ELV_ATTR(slice_idle), > + ELV_ATTR(async_slice_idle), > + ELV_ATTR(slice_sync), > + ELV_ATTR(slice_async), > __ATTR_NULL > }; > > Index: linux18/block/as-iosched.c > =================================================================== > --- linux18.orig/block/as-iosched.c 2009-06-09 10:34:58.000000000 -0400 > +++ linux18/block/as-iosched.c 2009-06-09 13:27:38.000000000 -0400 > @@ -1766,6 +1766,11 @@ static struct elv_fs_entry as_attrs[] = > AS_ATTR(antic_expire), > AS_ATTR(read_batch_expire), > AS_ATTR(write_batch_expire), > +#ifdef CONFIG_IOSCHED_AS_HIER > + ELV_ATTR(fairness), > + ELV_ATTR(slice_idle), > + ELV_ATTR(slice_sync), > +#endif > __ATTR_NULL > }; > > Index: linux18/block/deadline-iosched.c > =================================================================== > --- linux18.orig/block/deadline-iosched.c 2009-06-09 10:34:55.000000000 -0400 > +++ linux18/block/deadline-iosched.c 2009-06-09 13:28:51.000000000 -0400 > @@ -460,6 +460,11 @@ static struct elv_fs_entry deadline_attr > DD_ATTR(writes_starved), > DD_ATTR(front_merges), > DD_ATTR(fifo_batch), > +#ifdef CONFIG_IOSCHED_DEADLINE_HIER > + ELV_ATTR(fairness), > + ELV_ATTR(slice_idle), > + ELV_ATTR(slice_sync), > +#endif > __ATTR_NULL > }; > > Index: linux18/block/noop-iosched.c > =================================================================== > --- linux18.orig/block/noop-iosched.c 2009-06-09 10:34:52.000000000 -0400 > +++ linux18/block/noop-iosched.c 2009-06-09 13:31:48.000000000 -0400 > @@ -82,6 +82,15 @@ static void noop_free_noop_queue(struct > kfree(nq); > } > > +#ifdef CONFIG_IOSCHED_NOOP_HIER > +static struct elv_fs_entry noop_attrs[] = { > + ELV_ATTR(fairness), > + ELV_ATTR(slice_idle), > + ELV_ATTR(slice_sync), > + __ATTR_NULL > +}; > +#endif > + > static struct elevator_type elevator_noop = { > .ops = { > .elevator_merge_req_fn = noop_merged_requests, > @@ -94,6 +103,7 @@ static struct elevator_type elevator_noo > }, > #ifdef CONFIG_IOSCHED_NOOP_HIER > .elevator_features = ELV_IOSCHED_NEED_FQ | ELV_IOSCHED_SINGLE_IOQ, > + .elevator_attrs = noop_attrs, > #endif > .elevator_name = "noop", > .elevator_owner = THIS_MODULE, > > > -- Regards Gui Jianfeng
WARNING: multiple messages have this Message-ID (diff)
From: Gui Jianfeng <guijianfeng@cn.fujitsu.com> To: Vivek Goyal <vgoyal@redhat.com> Cc: dhaval@linux.vnet.ibm.com, snitzer@redhat.com, dm-devel@redhat.com, dpshah@google.com, jens.axboe@oracle.com, agk@redhat.com, balbir@linux.vnet.ibm.com, paolo.valente@unimore.it, fernando@oss.ntt.co.jp, mikew@google.com, jmoyer@redhat.com, nauman@google.com, m-ikeda@ds.jp.nec.com, lizf@cn.fujitsu.com, fchecconi@gmail.com, s-uchida@ap.jp.nec.com, containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, righi.andrea@gmail.com Subject: Re: [PATCH 08/18] io-controller: idle for sometime on sync queue before expiring it Date: Wed, 10 Jun 2009 09:30:38 +0800 [thread overview] Message-ID: <4A2F0CBE.8030208@cn.fujitsu.com> (raw) In-Reply-To: <20090609175131.GB13476@redhat.com> Vivek Goyal wrote: > On Tue, Jun 09, 2009 at 03:56:38PM +0800, Gui Jianfeng wrote: >> Vivek Goyal wrote: >> ... >>> +ssize_t elv_fairness_store(struct request_queue *q, const char *name, >>> + size_t count) >>> +{ >>> + struct elv_fq_data *efqd; >>> + unsigned int data; >>> + unsigned long flags; >>> + >>> + char *p = (char *)name; >>> + >>> + data = simple_strtoul(p, &p, 10); >>> + >>> + if (data < 0) >>> + data = 0; >>> + else if (data > INT_MAX) >>> + data = INT_MAX; >> Hi Vivek, >> >> data might overflow on 64 bit systems. In addition, since "fairness" is nothing >> more than a switch, just let it be. >> >> Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com> >> --- > > Hi Gui, > > How about following patch? Currently this should apply at the end of the > patch series. If it looks good, I will merge the changes in higher level > patches. This patch seems good to me. Some trivial issues comment below. > > Thanks > Vivek > > o Previously common layer elevator parameters were appearing as request > queue parameters in sysfs. But actually these are io scheduler parameters > in hiearchical mode. Fix it. > > o Use macros to define multiple sysfs C functions doing the same thing. Code > borrowed from CFQ. Helps reduce the number of lines of by 140. > > Signed-off-by: Vivek Goyal <vgoyal@redhat.com> ... \ > +} > +SHOW_FUNCTION(elv_fairness_show, efqd->fairness, 0); > +EXPORT_SYMBOL(elv_fairness_show); > +SHOW_FUNCTION(elv_slice_idle_show, efqd->elv_slice_idle, 1); > +EXPORT_SYMBOL(elv_slice_idle_show); > +SHOW_FUNCTION(elv_async_slice_idle_show, efqd->elv_async_slice_idle, 1); > +EXPORT_SYMBOL(elv_async_slice_idle_show); > +SHOW_FUNCTION(elv_slice_sync_show, efqd->elv_slice[1], 1); > +EXPORT_SYMBOL(elv_slice_sync_show); > +SHOW_FUNCTION(elv_slice_async_show, efqd->elv_slice[0], 1); > +EXPORT_SYMBOL(elv_slice_async_show); > +#undef SHOW_FUNCTION > + > +#define STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, __CONV) \ > +ssize_t __FUNC(struct elevator_queue *e, const char *page, size_t count) \ > +{ \ > + struct elv_fq_data *efqd = &e->efqd; \ > + unsigned int __data; \ > + int ret = elv_var_store(&__data, (page), count); \ Since simple_strtoul returns unsigned long, it's better to make __data be that type. > + if (__data < (MIN)) \ > + __data = (MIN); \ > + else if (__data > (MAX)) \ > + __data = (MAX); \ > + if (__CONV) \ > + *(__PTR) = msecs_to_jiffies(__data); \ > + else \ > + *(__PTR) = __data; \ > + return ret; \ > +} > +STORE_FUNCTION(elv_fairness_store, &efqd->fairness, 0, 1, 0); > +EXPORT_SYMBOL(elv_fairness_store); > +STORE_FUNCTION(elv_slice_idle_store, &efqd->elv_slice_idle, 0, UINT_MAX, 1); Do we need to set an actual max limitation rather than UINT_MAX for these entries? > +EXPORT_SYMBOL(elv_slice_idle_store); > +STORE_FUNCTION(elv_async_slice_idle_store, &efqd->elv_async_slice_idle, 0, UINT_MAX, 1); > +EXPORT_SYMBOL(elv_async_slice_idle_store); > +STORE_FUNCTION(elv_slice_sync_store, &efqd->elv_slice[1], 1, UINT_MAX, 1); > +EXPORT_SYMBOL(elv_slice_sync_store); > +STORE_FUNCTION(elv_slice_async_store, &efqd->elv_slice[0], 1, UINT_MAX, 1); > +EXPORT_SYMBOL(elv_slice_async_store); > +#undef STORE_FUNCTION > > void elv_schedule_dispatch(struct request_queue *q) > { > Index: linux18/block/blk-sysfs.c > =================================================================== > --- linux18.orig/block/blk-sysfs.c 2009-06-09 10:34:59.000000000 -0400 > +++ linux18/block/blk-sysfs.c 2009-06-09 13:24:42.000000000 -0400 > @@ -307,38 +307,6 @@ static struct queue_sysfs_entry queue_io > .store = queue_iostats_store, > }; > > -#ifdef CONFIG_ELV_FAIR_QUEUING > -static struct queue_sysfs_entry queue_slice_idle_entry = { > - .attr = {.name = "slice_idle", .mode = S_IRUGO | S_IWUSR }, > - .show = elv_slice_idle_show, > - .store = elv_slice_idle_store, > -}; > - > -static struct queue_sysfs_entry queue_async_slice_idle_entry = { > - .attr = {.name = "async_slice_idle", .mode = S_IRUGO | S_IWUSR }, > - .show = elv_async_slice_idle_show, > - .store = elv_async_slice_idle_store, > -}; > - > -static struct queue_sysfs_entry queue_slice_sync_entry = { > - .attr = {.name = "slice_sync", .mode = S_IRUGO | S_IWUSR }, > - .show = elv_slice_sync_show, > - .store = elv_slice_sync_store, > -}; > - > -static struct queue_sysfs_entry queue_slice_async_entry = { > - .attr = {.name = "slice_async", .mode = S_IRUGO | S_IWUSR }, > - .show = elv_slice_async_show, > - .store = elv_slice_async_store, > -}; > - > -static struct queue_sysfs_entry queue_fairness_entry = { > - .attr = {.name = "fairness", .mode = S_IRUGO | S_IWUSR }, > - .show = elv_fairness_show, > - .store = elv_fairness_store, > -}; > -#endif > - > static struct attribute *default_attrs[] = { > &queue_requests_entry.attr, > #ifdef CONFIG_GROUP_IOSCHED > @@ -353,13 +321,6 @@ static struct attribute *default_attrs[] > &queue_nomerges_entry.attr, > &queue_rq_affinity_entry.attr, > &queue_iostats_entry.attr, > -#ifdef CONFIG_ELV_FAIR_QUEUING > - &queue_slice_idle_entry.attr, > - &queue_async_slice_idle_entry.attr, > - &queue_slice_sync_entry.attr, > - &queue_slice_async_entry.attr, > - &queue_fairness_entry.attr, > -#endif > NULL, > }; > > Index: linux18/block/cfq-iosched.c > =================================================================== > --- linux18.orig/block/cfq-iosched.c 2009-06-09 10:34:55.000000000 -0400 > +++ linux18/block/cfq-iosched.c 2009-06-09 13:25:42.000000000 -0400 > @@ -2095,6 +2095,11 @@ static struct elv_fs_entry cfq_attrs[] = > CFQ_ATTR(back_seek_max), > CFQ_ATTR(back_seek_penalty), > CFQ_ATTR(slice_async_rq), > + ELV_ATTR(fairness), > + ELV_ATTR(slice_idle), > + ELV_ATTR(async_slice_idle), > + ELV_ATTR(slice_sync), > + ELV_ATTR(slice_async), > __ATTR_NULL > }; > > Index: linux18/block/as-iosched.c > =================================================================== > --- linux18.orig/block/as-iosched.c 2009-06-09 10:34:58.000000000 -0400 > +++ linux18/block/as-iosched.c 2009-06-09 13:27:38.000000000 -0400 > @@ -1766,6 +1766,11 @@ static struct elv_fs_entry as_attrs[] = > AS_ATTR(antic_expire), > AS_ATTR(read_batch_expire), > AS_ATTR(write_batch_expire), > +#ifdef CONFIG_IOSCHED_AS_HIER > + ELV_ATTR(fairness), > + ELV_ATTR(slice_idle), > + ELV_ATTR(slice_sync), > +#endif > __ATTR_NULL > }; > > Index: linux18/block/deadline-iosched.c > =================================================================== > --- linux18.orig/block/deadline-iosched.c 2009-06-09 10:34:55.000000000 -0400 > +++ linux18/block/deadline-iosched.c 2009-06-09 13:28:51.000000000 -0400 > @@ -460,6 +460,11 @@ static struct elv_fs_entry deadline_attr > DD_ATTR(writes_starved), > DD_ATTR(front_merges), > DD_ATTR(fifo_batch), > +#ifdef CONFIG_IOSCHED_DEADLINE_HIER > + ELV_ATTR(fairness), > + ELV_ATTR(slice_idle), > + ELV_ATTR(slice_sync), > +#endif > __ATTR_NULL > }; > > Index: linux18/block/noop-iosched.c > =================================================================== > --- linux18.orig/block/noop-iosched.c 2009-06-09 10:34:52.000000000 -0400 > +++ linux18/block/noop-iosched.c 2009-06-09 13:31:48.000000000 -0400 > @@ -82,6 +82,15 @@ static void noop_free_noop_queue(struct > kfree(nq); > } > > +#ifdef CONFIG_IOSCHED_NOOP_HIER > +static struct elv_fs_entry noop_attrs[] = { > + ELV_ATTR(fairness), > + ELV_ATTR(slice_idle), > + ELV_ATTR(slice_sync), > + __ATTR_NULL > +}; > +#endif > + > static struct elevator_type elevator_noop = { > .ops = { > .elevator_merge_req_fn = noop_merged_requests, > @@ -94,6 +103,7 @@ static struct elevator_type elevator_noo > }, > #ifdef CONFIG_IOSCHED_NOOP_HIER > .elevator_features = ELV_IOSCHED_NEED_FQ | ELV_IOSCHED_SINGLE_IOQ, > + .elevator_attrs = noop_attrs, > #endif > .elevator_name = "noop", > .elevator_owner = THIS_MODULE, > > > -- Regards Gui Jianfeng
next prev parent reply other threads:[~2009-06-10 1:32 UTC|newest] Thread overview: 295+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-05-05 19:58 IO scheduler based IO Controller V2 Vivek Goyal 2009-05-05 19:58 ` [PATCH 01/18] io-controller: Documentation Vivek Goyal 2009-05-06 3:16 ` Gui Jianfeng [not found] ` <4A0100F4.4040400-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-06 13:31 ` Vivek Goyal 2009-05-06 13:31 ` Vivek Goyal [not found] ` <1241553525-28095-2-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-06 3:16 ` Gui Jianfeng 2009-05-05 19:58 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 02/18] io-controller: Common flat fair queuing code in elevaotor layer Vivek Goyal 2009-05-05 19:58 ` [PATCH 03/18] io-controller: Charge for time slice based on average disk rate Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 04/18] io-controller: Modify cfq to make use of flat elevator fair queuing Vivek Goyal [not found] ` <1241553525-28095-5-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-22 8:54 ` Gui Jianfeng 2009-05-22 8:54 ` Gui Jianfeng [not found] ` <4A166829.6070608-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-22 12:33 ` Vivek Goyal 2009-05-22 12:33 ` Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 05/18] io-controller: Common hierarchical fair queuing code in elevaotor layer Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-07 7:42 ` Gui Jianfeng 2009-05-07 8:05 ` Li Zefan [not found] ` <4A0290ED.7080506-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-07 8:05 ` Li Zefan 2009-05-08 12:45 ` Vivek Goyal 2009-05-08 12:45 ` Vivek Goyal [not found] ` <1241553525-28095-6-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-07 7:42 ` Gui Jianfeng 2009-05-08 21:09 ` Andrea Righi 2009-05-08 21:09 ` Andrea Righi 2009-05-08 21:17 ` Vivek Goyal 2009-05-08 21:17 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 06/18] io-controller: cfq changes to use " Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 07/18] io-controller: Export disk time used and nr sectors dipatched through cgroups Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-13 2:39 ` Gui Jianfeng [not found] ` <4A0A32CB.4020609-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-13 14:51 ` Vivek Goyal 2009-05-13 14:51 ` Vivek Goyal 2009-05-14 7:53 ` Gui Jianfeng [not found] ` <20090513145127.GB7696-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-14 7:53 ` Gui Jianfeng [not found] ` <1241553525-28095-8-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-13 2:39 ` Gui Jianfeng 2009-05-05 19:58 ` [PATCH 08/18] io-controller: idle for sometime on sync queue before expiring it Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-13 15:00 ` Vivek Goyal 2009-05-13 15:00 ` Vivek Goyal 2009-06-09 7:56 ` Gui Jianfeng 2009-06-09 17:51 ` Vivek Goyal 2009-06-09 17:51 ` Vivek Goyal [not found] ` <20090609175131.GB13476-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-06-10 1:30 ` Gui Jianfeng 2009-06-10 1:30 ` Gui Jianfeng [this message] 2009-06-10 1:30 ` Gui Jianfeng 2009-06-10 13:26 ` Vivek Goyal 2009-06-10 13:26 ` Vivek Goyal 2009-06-11 1:22 ` Gui Jianfeng 2009-06-11 1:22 ` Gui Jianfeng [not found] ` <20090610132638.GB19680-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-06-11 1:22 ` Gui Jianfeng [not found] ` <4A2F0CBE.8030208-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-06-10 13:26 ` Vivek Goyal [not found] ` <4A2E15B6.8030001-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-06-09 17:51 ` Vivek Goyal [not found] ` <1241553525-28095-9-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-13 15:00 ` Vivek Goyal 2009-06-09 7:56 ` Gui Jianfeng 2009-05-05 19:58 ` [PATCH 09/18] io-controller: Separate out queue and data Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 10/18] io-conroller: Prepare elevator layer for single queue schedulers Vivek Goyal 2009-05-05 19:58 ` [PATCH 11/18] io-controller: noop changes for hierarchical fair queuing Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 12/18] io-controller: deadline " Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 13/18] io-controller: anticipatory " Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 14/18] blkio_cgroup patches from Ryo to track async bios Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 15/18] io-controller: map async requests to appropriate cgroup Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 16/18] io-controller: Per cgroup request descriptor support Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 17/18] io-controller: IO group refcounting support Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal [not found] ` <1241553525-28095-18-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-08 2:59 ` Gui Jianfeng 2009-05-08 2:59 ` Gui Jianfeng 2009-05-08 12:44 ` Vivek Goyal [not found] ` <4A03A013.9000405-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-08 12:44 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 18/18] io-controller: Debug hierarchical IO scheduling Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-06 21:40 ` IKEDA, Munehiro [not found] ` <4A0203DB.1090809-MDRzhb/z0dd8UrSeD/g0lQ@public.gmane.org> 2009-05-06 21:58 ` Vivek Goyal 2009-05-06 21:58 ` Vivek Goyal [not found] ` <20090506215833.GK8180-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-06 22:19 ` IKEDA, Munehiro 2009-05-06 22:19 ` IKEDA, Munehiro [not found] ` <4A020CD5.2000308-MDRzhb/z0dd8UrSeD/g0lQ@public.gmane.org> 2009-05-06 22:24 ` Vivek Goyal 2009-05-06 22:24 ` Vivek Goyal [not found] ` <20090506222458.GM8180-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-06 23:01 ` IKEDA, Munehiro 2009-05-06 23:01 ` IKEDA, Munehiro [not found] ` <1241553525-28095-19-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-06 21:40 ` IKEDA, Munehiro [not found] ` <1241553525-28095-1-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-05 19:58 ` [PATCH 01/18] io-controller: Documentation Vivek Goyal 2009-05-05 19:58 ` [PATCH 02/18] io-controller: Common flat fair queuing code in elevaotor layer Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-22 6:43 ` Gui Jianfeng 2009-05-22 12:32 ` Vivek Goyal 2009-05-23 20:04 ` Jens Axboe [not found] ` <20090522123231.GA14972-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-23 20:04 ` Jens Axboe [not found] ` <4A164978.1020604-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-22 12:32 ` Vivek Goyal [not found] ` <1241553525-28095-3-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-22 6:43 ` Gui Jianfeng 2009-05-05 19:58 ` [PATCH 03/18] io-controller: Charge for time slice based on average disk rate Vivek Goyal 2009-05-05 19:58 ` [PATCH 04/18] io-controller: Modify cfq to make use of flat elevator fair queuing Vivek Goyal 2009-05-05 19:58 ` [PATCH 05/18] io-controller: Common hierarchical fair queuing code in elevaotor layer Vivek Goyal 2009-05-05 19:58 ` [PATCH 06/18] io-controller: cfq changes to use " Vivek Goyal 2009-05-05 19:58 ` [PATCH 07/18] io-controller: Export disk time used and nr sectors dipatched through cgroups Vivek Goyal 2009-05-05 19:58 ` [PATCH 08/18] io-controller: idle for sometime on sync queue before expiring it Vivek Goyal 2009-05-05 19:58 ` [PATCH 09/18] io-controller: Separate out queue and data Vivek Goyal 2009-05-05 19:58 ` [PATCH 10/18] io-conroller: Prepare elevator layer for single queue schedulers Vivek Goyal 2009-05-05 19:58 ` Vivek Goyal 2009-05-05 19:58 ` [PATCH 11/18] io-controller: noop changes for hierarchical fair queuing Vivek Goyal 2009-05-05 19:58 ` [PATCH 12/18] io-controller: deadline " Vivek Goyal 2009-05-05 19:58 ` [PATCH 13/18] io-controller: anticipatory " Vivek Goyal 2009-05-05 19:58 ` [PATCH 14/18] blkio_cgroup patches from Ryo to track async bios Vivek Goyal 2009-05-05 19:58 ` [PATCH 15/18] io-controller: map async requests to appropriate cgroup Vivek Goyal 2009-05-05 19:58 ` [PATCH 16/18] io-controller: Per cgroup request descriptor support Vivek Goyal 2009-05-05 19:58 ` [PATCH 17/18] io-controller: IO group refcounting support Vivek Goyal 2009-05-05 19:58 ` [PATCH 18/18] io-controller: Debug hierarchical IO scheduling Vivek Goyal 2009-05-05 20:24 ` IO scheduler based IO Controller V2 Andrew Morton 2009-05-05 20:24 ` Andrew Morton 2009-05-05 22:20 ` Peter Zijlstra 2009-05-06 3:42 ` Balbir Singh 2009-05-06 3:42 ` Balbir Singh 2009-05-06 10:20 ` Fabio Checconi 2009-05-06 17:10 ` Balbir Singh 2009-05-06 17:10 ` Balbir Singh [not found] ` <20090506102030.GB20544-f9ZlEuEWxVeACYmtYXMKmw@public.gmane.org> 2009-05-06 17:10 ` Balbir Singh 2009-05-06 18:47 ` Divyesh Shah [not found] ` <20090506034254.GD4416-SINUvgVNF2CyUtPGxGje5AC/G2K4zDHf@public.gmane.org> 2009-05-06 10:20 ` Fabio Checconi 2009-05-06 18:47 ` Divyesh Shah 2009-05-06 20:42 ` Andrea Righi 2009-05-06 20:42 ` Andrea Righi 2009-05-06 2:33 ` Vivek Goyal 2009-05-06 17:59 ` Nauman Rafique 2009-05-06 20:07 ` Andrea Righi 2009-05-06 21:21 ` Vivek Goyal 2009-05-06 21:21 ` Vivek Goyal [not found] ` <20090506212121.GI8180-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-06 22:02 ` Andrea Righi 2009-05-06 22:02 ` Andrea Righi 2009-05-06 22:17 ` Vivek Goyal 2009-05-06 22:17 ` Vivek Goyal [not found] ` <20090506023332.GA1212-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-06 17:59 ` Nauman Rafique 2009-05-06 20:07 ` Andrea Righi 2009-05-06 20:32 ` Vivek Goyal 2009-05-07 0:18 ` Ryo Tsuruta 2009-05-06 20:32 ` Vivek Goyal [not found] ` <20090506203228.GH8180-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-06 21:34 ` Andrea Righi 2009-05-06 21:34 ` Andrea Righi 2009-05-06 21:52 ` Vivek Goyal 2009-05-06 21:52 ` Vivek Goyal 2009-05-06 22:35 ` Andrea Righi 2009-05-07 1:48 ` Ryo Tsuruta 2009-05-07 1:48 ` Ryo Tsuruta [not found] ` <20090506215235.GJ8180-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-06 22:35 ` Andrea Righi 2009-05-07 9:04 ` Andrea Righi 2009-05-07 9:04 ` Andrea Righi 2009-05-07 12:22 ` Andrea Righi 2009-05-07 12:22 ` Andrea Righi 2009-05-07 14:11 ` Vivek Goyal 2009-05-07 14:11 ` Vivek Goyal [not found] ` <20090507141126.GA9463-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-07 14:45 ` Vivek Goyal 2009-05-07 14:45 ` Vivek Goyal [not found] ` <20090507144501.GB9463-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-07 15:36 ` Vivek Goyal 2009-05-07 15:36 ` Vivek Goyal [not found] ` <20090507153642.GC9463-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-07 15:42 ` Vivek Goyal 2009-05-07 15:42 ` Vivek Goyal 2009-05-07 22:19 ` Andrea Righi 2009-05-07 22:19 ` Andrea Righi 2009-05-08 18:09 ` Vivek Goyal 2009-05-08 20:05 ` Andrea Righi 2009-05-08 21:56 ` Vivek Goyal 2009-05-08 21:56 ` Vivek Goyal 2009-05-09 9:22 ` Peter Zijlstra 2009-05-14 10:31 ` Andrea Righi [not found] ` <20090508215618.GJ7293-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-09 9:22 ` Peter Zijlstra 2009-05-14 10:31 ` Andrea Righi 2009-05-14 16:43 ` Dhaval Giani 2009-05-14 16:43 ` Dhaval Giani [not found] ` <20090508180951.GG7293-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-08 20:05 ` Andrea Righi 2009-05-08 18:09 ` Vivek Goyal 2009-05-07 22:40 ` Andrea Righi 2009-05-07 22:40 ` Andrea Righi 2009-05-07 0:18 ` Ryo Tsuruta [not found] ` <20090507.091858.226775723.ryov-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org> 2009-05-07 1:25 ` Vivek Goyal 2009-05-07 1:25 ` Vivek Goyal [not found] ` <20090507012559.GC4187-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-11 11:23 ` Ryo Tsuruta 2009-05-11 11:23 ` Ryo Tsuruta [not found] ` <20090511.202309.112614168.ryov-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org> 2009-05-11 12:49 ` Vivek Goyal 2009-05-11 12:49 ` Vivek Goyal 2009-05-08 14:24 ` Rik van Riel 2009-05-08 14:24 ` Rik van Riel [not found] ` <4A0440B2.7040300-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-11 10:11 ` Ryo Tsuruta 2009-05-11 10:11 ` Ryo Tsuruta [not found] ` <20090505132441.1705bfad.akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org> 2009-05-05 22:20 ` Peter Zijlstra 2009-05-06 2:33 ` Vivek Goyal 2009-05-06 3:41 ` Balbir Singh 2009-05-06 3:41 ` Balbir Singh 2009-05-06 13:28 ` Vivek Goyal 2009-05-06 13:28 ` Vivek Goyal [not found] ` <20090506034118.GC4416-SINUvgVNF2CyUtPGxGje5AC/G2K4zDHf@public.gmane.org> 2009-05-06 13:28 ` Vivek Goyal 2009-05-06 8:11 ` Gui Jianfeng 2009-05-08 9:45 ` [PATCH] io-controller: Add io group reference handling for request Gui Jianfeng 2009-05-13 2:00 ` [PATCH] IO Controller: Add per-device weight and ioprio_class handling Gui Jianfeng 2009-05-06 8:11 ` IO scheduler based IO Controller V2 Gui Jianfeng [not found] ` <4A014619.1040000-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-06 16:10 ` Vivek Goyal 2009-05-06 16:10 ` Vivek Goyal 2009-05-07 5:36 ` Li Zefan [not found] ` <4A027348.6000808-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-08 13:37 ` Vivek Goyal 2009-05-08 13:37 ` Vivek Goyal 2009-05-11 2:59 ` Gui Jianfeng [not found] ` <20090508133740.GD7293-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-11 2:59 ` Gui Jianfeng 2009-05-07 5:47 ` Gui Jianfeng [not found] ` <20090506161012.GC8180-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-07 5:36 ` Li Zefan 2009-05-07 5:47 ` Gui Jianfeng 2009-05-08 9:45 ` [PATCH] io-controller: Add io group reference handling for request Gui Jianfeng [not found] ` <4A03FF3C.4020506-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-08 13:57 ` Vivek Goyal 2009-05-08 13:57 ` Vivek Goyal [not found] ` <20090508135724.GE7293-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-08 17:41 ` Nauman Rafique 2009-05-08 17:41 ` Nauman Rafique 2009-05-08 17:41 ` Nauman Rafique 2009-05-08 18:56 ` Vivek Goyal [not found] ` <20090508185644.GH7293-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-08 19:06 ` Nauman Rafique 2009-05-08 19:06 ` Nauman Rafique 2009-05-08 19:06 ` Nauman Rafique 2009-05-11 1:33 ` Gui Jianfeng 2009-05-11 15:41 ` Vivek Goyal [not found] ` <20090511154127.GD6036-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-15 5:15 ` Gui Jianfeng 2009-05-15 5:15 ` Gui Jianfeng 2009-05-15 7:48 ` Andrea Righi 2009-05-15 8:16 ` Gui Jianfeng 2009-05-15 8:16 ` Gui Jianfeng [not found] ` <4A0D24E6.6010807-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-15 14:09 ` Vivek Goyal 2009-05-15 14:09 ` Vivek Goyal 2009-05-15 14:06 ` Vivek Goyal 2009-05-15 14:06 ` Vivek Goyal 2009-05-17 10:26 ` Andrea Righi 2009-05-18 14:01 ` Vivek Goyal 2009-05-18 14:01 ` Vivek Goyal 2009-05-18 14:39 ` Andrea Righi 2009-05-26 11:34 ` Ryo Tsuruta 2009-05-26 11:34 ` Ryo Tsuruta 2009-05-27 6:56 ` Ryo Tsuruta 2009-05-27 6:56 ` Ryo Tsuruta 2009-05-27 8:17 ` Andrea Righi 2009-05-27 8:17 ` Andrea Righi 2009-05-27 11:53 ` Ryo Tsuruta 2009-05-27 11:53 ` Ryo Tsuruta 2009-05-27 17:32 ` Vivek Goyal 2009-05-27 17:32 ` Vivek Goyal [not found] ` <20090527.155631.226800550.ryov-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org> 2009-05-27 8:17 ` Andrea Righi 2009-05-27 17:32 ` Vivek Goyal [not found] ` <20090526.203424.39179999.ryov-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org> 2009-05-27 6:56 ` Ryo Tsuruta 2009-05-19 12:18 ` Ryo Tsuruta [not found] ` <20090518140114.GB27080-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-18 14:39 ` Andrea Righi 2009-05-19 12:18 ` Ryo Tsuruta [not found] ` <20090515140643.GB19350-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-17 10:26 ` Andrea Righi [not found] ` <4A0CFA6C.3080609-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-15 7:48 ` Andrea Righi 2009-05-15 7:40 ` Gui Jianfeng 2009-05-15 7:40 ` Gui Jianfeng 2009-05-15 14:01 ` Vivek Goyal [not found] ` <4A0D1C55.9040700-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-15 14:01 ` Vivek Goyal [not found] ` <4A078051.5060702-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-11 15:41 ` Vivek Goyal [not found] ` <e98e18940905081041r386e52a5q5a2b1f13f1e8c634-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2009-05-08 18:56 ` Vivek Goyal 2009-05-11 1:33 ` Gui Jianfeng 2009-05-13 2:00 ` [PATCH] IO Controller: Add per-device weight and ioprio_class handling Gui Jianfeng 2009-05-13 14:44 ` Vivek Goyal [not found] ` <20090513144432.GA7696-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-14 0:59 ` Gui Jianfeng 2009-05-14 0:59 ` Gui Jianfeng 2009-05-13 15:29 ` Vivek Goyal 2009-05-14 1:02 ` Gui Jianfeng [not found] ` <20090513152909.GD7696-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-14 1:02 ` Gui Jianfeng 2009-05-13 15:59 ` Vivek Goyal 2009-05-14 1:51 ` Gui Jianfeng [not found] ` <20090513155900.GA15623-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-14 1:51 ` Gui Jianfeng 2009-05-14 2:25 ` Gui Jianfeng 2009-05-14 2:25 ` Gui Jianfeng [not found] ` <4A0A29B5.7030109-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-13 14:44 ` Vivek Goyal 2009-05-13 15:29 ` Vivek Goyal 2009-05-13 15:59 ` Vivek Goyal 2009-05-13 17:17 ` Vivek Goyal 2009-05-13 19:09 ` Vivek Goyal 2009-05-13 17:17 ` Vivek Goyal [not found] ` <20090513171734.GA18371-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-14 1:24 ` Gui Jianfeng 2009-05-14 1:24 ` Gui Jianfeng 2009-05-13 19:09 ` Vivek Goyal 2009-05-14 1:35 ` Gui Jianfeng [not found] ` <20090513190929.GB18371-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2009-05-14 1:35 ` Gui Jianfeng 2009-05-14 7:26 ` Gui Jianfeng 2009-05-14 7:26 ` Gui Jianfeng 2009-05-14 15:15 ` Vivek Goyal 2009-05-18 22:33 ` IKEDA, Munehiro 2009-05-20 1:44 ` Gui Jianfeng [not found] ` <4A136090.5090705-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-20 15:41 ` IKEDA, Munehiro 2009-05-20 15:41 ` IKEDA, Munehiro [not found] ` <4A11E244.2000305-MDRzhb/z0dd8UrSeD/g0lQ@public.gmane.org> 2009-05-20 1:44 ` Gui Jianfeng [not found] ` <4A0BC7AB.8030703-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2009-05-14 15:15 ` Vivek Goyal 2009-05-18 22:33 ` IKEDA, Munehiro
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