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From: Vivek Goyal <vgoyal@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: lizefan@huawei.com, hannes@cmpxchg.org, mhocko@suse.cz,
	bsingharora@gmail.com, kamezawa.hiroyu@jp.fujitsu.com,
	containers@lists.linux-foundation.org, cgroups@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 8/8] cgroup: make ->pre_destroy() return void
Date: Wed, 31 Oct 2012 09:57:22 -0400	[thread overview]
Message-ID: <20121031135722.GB1865@redhat.com> (raw)
In-Reply-To: <1351657365-25055-9-git-send-email-tj@kernel.org>

On Tue, Oct 30, 2012 at 09:22:45PM -0700, Tejun Heo wrote:
> All ->pre_destory() implementations return 0 now, which is the only
> allowed return value.  Make it return void.
> 
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Cc: Michal Hocko <mhocko@suse.cz>
> Cc: Balbir Singh <bsingharora@gmail.com>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> Cc: Vivek Goyal <vgoyal@redhat.com>
> ---
>  block/blk-cgroup.c     | 3 +--
>  include/linux/cgroup.h | 2 +-
>  kernel/cgroup.c        | 2 +-
>  mm/hugetlb_cgroup.c    | 4 +---
>  mm/memcontrol.c        | 3 +--
>  5 files changed, 5 insertions(+), 9 deletions(-)
> 
> diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
> index f3b44a6..a7816f3 100644
> --- a/block/blk-cgroup.c
> +++ b/block/blk-cgroup.c
> @@ -600,7 +600,7 @@ struct cftype blkcg_files[] = {
>   *
>   * This is the blkcg counterpart of ioc_release_fn().
>   */
> -static int blkcg_pre_destroy(struct cgroup *cgroup)
> +static void blkcg_pre_destroy(struct cgroup *cgroup)
>  {
>  	struct blkcg *blkcg = cgroup_to_blkcg(cgroup);
>  
> @@ -622,7 +622,6 @@ static int blkcg_pre_destroy(struct cgroup *cgroup)
>  	}
>  
>  	spin_unlock_irq(&blkcg->lock);
> -	return 0;

Looks good from blk-cgroup perspective. ACK for these bits.

Thanks
Vivek

  reply	other threads:[~2012-10-31 13:57 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-31  4:22 [PATCHSET] cgroup: simplify cgroup removal path Tejun Heo
2012-10-31  4:22 ` [PATCH 1/8] cgroup: kill cgroup_subsys->__DEPRECATED_clear_css_refs Tejun Heo
2012-10-31 13:21   ` Glauber Costa
2012-10-31 16:38     ` Tejun Heo
2012-10-31 14:37   ` Michal Hocko
2012-10-31 16:41     ` Tejun Heo
2012-10-31 16:48       ` Michal Hocko
2012-10-31 17:22         ` Tejun Heo
2012-11-02  9:23   ` Kamezawa Hiroyuki
2012-10-31  4:22 ` [PATCH 2/8] cgroup: kill CSS_REMOVED Tejun Heo
2012-10-31 15:39   ` Michal Hocko
2012-10-31 16:57     ` Tejun Heo
2012-10-31 17:06       ` Glauber Costa
2012-10-31 17:10         ` Tejun Heo
2012-10-31 17:19           ` Glauber Costa
2012-10-31 17:25             ` Tejun Heo
2012-10-31 17:38               ` Glauber Costa
2012-10-31 17:44                 ` Tejun Heo
2012-10-31 17:39               ` Glauber Costa
2012-10-31 19:16       ` Michal Hocko
2012-10-31 19:33         ` Tejun Heo
2012-11-02  9:30   ` Kamezawa Hiroyuki
2012-10-31  4:22 ` [PATCH 3/8] cgroup: use cgroup_lock_live_group(parent) in cgroup_create() Tejun Heo
2012-10-31 15:55   ` Michal Hocko
2012-10-31 17:04     ` Tejun Heo
2012-11-01  9:16       ` Michal Hocko
2012-11-01 14:52         ` Tejun Heo
2012-11-01 15:05           ` Michal Hocko
2012-11-01 15:15             ` Michal Hocko
2012-11-01 15:43               ` Tejun Heo
2012-11-02  9:37   ` Kamezawa Hiroyuki
2012-10-31  4:22 ` [PATCH 4/8] cgroup: deactivate CSS's and mark cgroup dead before invoking ->pre_destroy() Tejun Heo
2012-10-31 13:42   ` Glauber Costa
2012-10-31 16:05   ` Michal Hocko
2012-11-02  9:43   ` Kamezawa Hiroyuki
2012-10-31  4:22 ` [PATCH 5/8] cgroup: remove CGRP_WAIT_ON_RMDIR, cgroup_exclude_rmdir() and cgroup_release_and_wakeup_rmdir() Tejun Heo
2012-10-31 16:27   ` Michal Hocko
2012-10-31 17:16     ` Tejun Heo
2012-11-02  9:53   ` Kamezawa Hiroyuki
2012-10-31  4:22 ` [PATCH 6/8] memcg: make mem_cgroup_reparent_charges non failing Tejun Heo
2012-11-02  9:54   ` Kamezawa Hiroyuki
2012-10-31  4:22 ` [PATCH 7/8] hugetlb: do not fail in hugetlb_cgroup_pre_destroy Tejun Heo
2012-11-02  9:56   ` Kamezawa Hiroyuki
2012-10-31  4:22 ` [PATCH 8/8] cgroup: make ->pre_destroy() return void Tejun Heo
2012-10-31 13:57   ` Vivek Goyal [this message]
2012-10-31 16:28   ` Michal Hocko
2012-11-02  9:57   ` Kamezawa Hiroyuki
2012-10-31 13:49 ` [PATCHSET] cgroup: simplify cgroup removal path Glauber Costa
2012-10-31 17:18   ` Tejun Heo
2012-10-31 17:24     ` Glauber Costa
2012-10-31 17:26       ` Tejun Heo
2012-10-31 17:33         ` Glauber Costa
2012-10-31 16:31 ` Michal Hocko
2012-10-31 16:35   ` Tejun Heo
  -- strict thread matches above, loose matches on Subject: below --
2012-10-31 18:16 [PATCHSET v2] " Tejun Heo
2012-10-31 18:16 ` [PATCH 8/8] cgroup: make ->pre_destroy() return void Tejun Heo
2012-10-31 19:44 [PATCHSET RESEND v2] cgroup: simplify cgroup removal path Tejun Heo
2012-10-31 19:44 ` [PATCH 8/8] cgroup: make ->pre_destroy() return void Tejun Heo
2012-10-31 21:23   ` Michal Hocko
2012-11-02 10:24   ` Kamezawa Hiroyuki
2012-11-05  5:41   ` Li Zefan

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