Re: [PATCH 8/8] cgroup: make ->pre_destroy() return void

From: Vivek Goyal
Date: Wed Oct 31 2012 - 09:57:37 EST


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@xxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxx>
> Cc: Balbir Singh <bsingharora@xxxxxxxxx>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> Cc: Vivek Goyal <vgoyal@xxxxxxxxxx>
> ---
> 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
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