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cgroup: make ->pre_destroy() return void

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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>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Li Zefan <lizefan@huawei.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
This commit is contained in:
Tejun Heo 2012-11-05 09:16:59 -08:00
parent 9d093cb10e
commit bcf6de1b91
5 changed files with 5 additions and 9 deletions
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3
block/blk-cgroup.c
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@ -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;
}
static void blkcg_destroy(struct cgroup *cgroup)