From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org,
axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org,
vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Cc: ctalbott-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
rni-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH 01/12] blkcg: fix minor bug in blkg_alloc()
Date: Fri, 14 Dec 2012 14:41:14 -0800 [thread overview]
Message-ID: <1355524885-22719-2-git-send-email-tj@kernel.org> (raw)
In-Reply-To: <1355524885-22719-1-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
blkg_alloc() was mistakenly checking blkcg_policy_enabled() twice.
The latter test should have been on whether pol->pd_init_fn() exists.
This doesn't cause actual problems because both blkcg policies
implement pol->pd_init_fn(). Fix it.
Signed-off-by: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
---
block/blk-cgroup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 3f6d39d..feda49f 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -114,7 +114,7 @@ static struct blkcg_gq *blkg_alloc(struct blkcg *blkcg, struct request_queue *q,
pd->blkg = blkg;
/* invoke per-policy init */
- if (blkcg_policy_enabled(blkg->q, pol))
+ if (pol->pd_init_fn)
pol->pd_init_fn(blkg);
}
--
1.7.11.7
WARNING: multiple messages have this Message-ID (diff)
From: Tejun Heo <tj@kernel.org>
To: lizefan@huawei.com, axboe@kernel.dk, vgoyal@redhat.com
Cc: containers@lists.linux-foundation.org, cgroups@vger.kernel.org,
linux-kernel@vger.kernel.org, ctalbott@google.com,
rni@google.com, Tejun Heo <tj@kernel.org>
Subject: [PATCH 01/12] blkcg: fix minor bug in blkg_alloc()
Date: Fri, 14 Dec 2012 14:41:14 -0800 [thread overview]
Message-ID: <1355524885-22719-2-git-send-email-tj@kernel.org> (raw)
In-Reply-To: <1355524885-22719-1-git-send-email-tj@kernel.org>
blkg_alloc() was mistakenly checking blkcg_policy_enabled() twice.
The latter test should have been on whether pol->pd_init_fn() exists.
This doesn't cause actual problems because both blkcg policies
implement pol->pd_init_fn(). Fix it.
Signed-off-by: Tejun Heo <tj@kernel.org>
---
block/blk-cgroup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 3f6d39d..feda49f 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -114,7 +114,7 @@ static struct blkcg_gq *blkg_alloc(struct blkcg *blkcg, struct request_queue *q,
pd->blkg = blkg;
/* invoke per-policy init */
- if (blkcg_policy_enabled(blkg->q, pol))
+ if (pol->pd_init_fn)
pol->pd_init_fn(blkg);
}
--
1.7.11.7
next prev parent reply other threads:[~2012-12-14 22:41 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-14 22:41 [PATCHSET] block: implement blkcg hierarchy support in cfq Tejun Heo
2012-12-14 22:41 ` Tejun Heo
[not found] ` <1355524885-22719-1-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2012-12-14 22:41 ` Tejun Heo [this message]
2012-12-14 22:41 ` [PATCH 01/12] blkcg: fix minor bug in blkg_alloc() Tejun Heo
[not found] ` <1355524885-22719-2-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2012-12-17 19:10 ` Vivek Goyal
2012-12-17 19:10 ` Vivek Goyal
2012-12-17 19:10 ` Vivek Goyal
2012-12-14 22:41 ` [PATCH 02/12] blkcg: reorganize blkg_lookup_create() and friends Tejun Heo
2012-12-14 22:41 ` Tejun Heo
[not found] ` <1355524885-22719-3-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2012-12-17 19:28 ` Vivek Goyal
2012-12-17 19:28 ` Vivek Goyal
2012-12-14 22:41 ` Tejun Heo
2012-12-14 22:41 ` [PATCH 03/12] blkcg: cosmetic updates to blkg_create() Tejun Heo
2012-12-14 22:41 ` Tejun Heo
[not found] ` <1355524885-22719-4-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2012-12-17 19:37 ` Vivek Goyal
2012-12-17 19:37 ` Vivek Goyal
2012-12-17 19:37 ` Vivek Goyal
2012-12-14 22:41 ` [PATCH 04/12] blkcg: make blkcg_gq's hierarchical Tejun Heo
2012-12-14 22:41 ` Tejun Heo
[not found] ` <1355524885-22719-5-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2012-12-17 20:04 ` Vivek Goyal
2012-12-17 20:04 ` Vivek Goyal
2012-12-14 22:41 ` [PATCH 05/12] cfq-iosched: add leaf_weight Tejun Heo
2012-12-14 22:41 ` Tejun Heo
2012-12-14 22:41 ` [PATCH 06/12] cfq-iosched: implement cfq_group->nr_active and ->level_weight Tejun Heo
2012-12-14 22:41 ` Tejun Heo
[not found] ` <1355524885-22719-7-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2012-12-17 20:46 ` Vivek Goyal
2012-12-17 20:46 ` Vivek Goyal
2012-12-17 20:46 ` Vivek Goyal
[not found] ` <20121217204609.GH7235-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-12-17 21:15 ` Tejun Heo
2012-12-17 21:15 ` Tejun Heo
2012-12-17 21:15 ` Tejun Heo
[not found] ` <20121217211517.GC1844-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2012-12-17 21:18 ` Vivek Goyal
2012-12-17 21:18 ` Vivek Goyal
[not found] ` <20121217211843.GA13691-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-12-17 21:20 ` Tejun Heo
2012-12-17 21:20 ` Tejun Heo
2012-12-17 21:20 ` Tejun Heo
2012-12-17 21:18 ` Vivek Goyal
2012-12-14 22:41 ` [PATCH 07/12] cfq-iosched: implement hierarchy-ready cfq_group charge scaling Tejun Heo
2012-12-14 22:41 ` Tejun Heo
[not found] ` <1355524885-22719-8-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2012-12-17 20:53 ` Vivek Goyal
2012-12-17 20:53 ` Vivek Goyal
[not found] ` <20121217205317.GI7235-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-12-17 21:17 ` Tejun Heo
2012-12-17 21:17 ` Tejun Heo
[not found] ` <20121217211738.GD1844-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2012-12-17 21:27 ` Vivek Goyal
2012-12-17 21:27 ` Vivek Goyal
2012-12-17 21:27 ` Vivek Goyal
[not found] ` <20121217212736.GB13691-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-12-17 21:33 ` Tejun Heo
2012-12-17 21:33 ` Tejun Heo
[not found] ` <20121217213314.GF1844-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2012-12-17 21:49 ` Vivek Goyal
2012-12-17 21:49 ` Vivek Goyal
2012-12-17 21:49 ` Vivek Goyal
[not found] ` <20121217214911.GC13691-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-12-17 22:12 ` Tejun Heo
2012-12-17 22:12 ` Tejun Heo
2012-12-17 22:12 ` Tejun Heo
2012-12-17 21:33 ` Tejun Heo
2012-12-17 21:17 ` Tejun Heo
2012-12-14 22:41 ` [PATCH 08/12] cfq-iosched: convert cfq_group_slice() to use cfqg->vfraction Tejun Heo
2012-12-14 22:41 ` Tejun Heo
2012-12-14 22:41 ` [PATCH 09/12] cfq-iosched: enable full blkcg hierarchy support Tejun Heo
2012-12-14 22:41 ` Tejun Heo
[not found] ` <1355524885-22719-10-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2012-12-18 18:40 ` Vivek Goyal
2012-12-18 18:40 ` Vivek Goyal
2012-12-18 18:40 ` Vivek Goyal
[not found] ` <20121218184022.GC24050-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-12-18 19:10 ` Tejun Heo
2012-12-18 19:10 ` Tejun Heo
[not found] ` <20121218191055.GN1844-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2012-12-18 19:16 ` Vivek Goyal
2012-12-18 19:16 ` Vivek Goyal
2012-12-18 19:16 ` Vivek Goyal
[not found] ` <20121218191645.GA25908-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-12-18 19:17 ` Tejun Heo
2012-12-18 19:17 ` Tejun Heo
2012-12-18 19:17 ` Tejun Heo
2012-12-14 22:41 ` [PATCH 10/12] blkcg: add blkg_policy_data->plid Tejun Heo
2012-12-14 22:41 ` Tejun Heo
2012-12-14 22:41 ` [PATCH 11/12] blkcg: implement blkg_prfill_[rw]stat_recursive() Tejun Heo
2012-12-14 22:41 ` [PATCH 12/12] cfq-iosched: add hierarchical cfq_group statistics Tejun Heo
2012-12-17 16:52 ` [PATCHSET] block: implement blkcg hierarchy support in cfq Vivek Goyal
2012-12-17 16:52 ` Vivek Goyal
[not found] ` <20121217165228.GB7235-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-12-17 17:38 ` Tejun Heo
2012-12-17 17:38 ` Tejun Heo
[not found] ` <20121217173800.GB2592-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2012-12-17 18:50 ` Vivek Goyal
2012-12-17 18:50 ` Vivek Goyal
[not found] ` <20121217185014.GC7235-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-12-17 18:59 ` Tejun Heo
2012-12-17 18:59 ` Tejun Heo
2012-12-17 18:59 ` Tejun Heo
2012-12-17 16:52 ` Vivek Goyal
2012-12-14 22:41 ` [PATCH 11/12] blkcg: implement blkg_prfill_[rw]stat_recursive() Tejun Heo
2012-12-14 22:41 ` [PATCH 12/12] cfq-iosched: add hierarchical cfq_group statistics Tejun Heo
[not found] ` <1355524885-22719-13-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2012-12-18 19:11 ` Vivek Goyal
2012-12-18 19:11 ` Vivek Goyal
2012-12-18 19:11 ` Vivek Goyal
[not found] ` <20121218191117.GD24050-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-12-18 19:14 ` Tejun Heo
2012-12-18 19:14 ` Tejun Heo
[not found] ` <20121218191425.GO1844-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2012-12-18 19:18 ` Vivek Goyal
2012-12-18 19:18 ` Vivek Goyal
[not found] ` <20121218191854.GB25908-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-12-18 19:21 ` Tejun Heo
2012-12-18 19:21 ` Tejun Heo
[not found] ` <20121218192155.GQ1844-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2012-12-18 19:26 ` Vivek Goyal
2012-12-18 19:26 ` Vivek Goyal
2012-12-18 19:18 ` Vivek Goyal
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