From: Jiang Biao <jiang.biao2@zte.com.cn> Date: Thu, 19 Apr 2018 04:04:26 +0000 (+0800) Subject: blkcg: small fix on comment in blkcg_init_queue X-Git-Tag: v4.17-rc3~35^2~5 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=bea548831b8cee347181132eacd8b9711dfced92;p=users%2Fjedix%2Flinux-maple.git blkcg: small fix on comment in blkcg_init_queue The comment before blkg_create() in blkcg_init_queue() was moved from blkcg_activate_policy() by commit ec13b1d6f0a0457312e615, but it does not suit for the new context. Signed-off-by: Jiang Biao <jiang.biao2@zte.com.cn> Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> CC: Tejun Heo <tj@kernel.org> CC: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jens Axboe <axboe@kernel.dk> --- diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 21bc449d01c0..79da2a723b68 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1177,11 +1177,7 @@ int blkcg_init_queue(struct request_queue *q) preloaded = !radix_tree_preload(GFP_KERNEL); - /* - * Make sure the root blkg exists and count the existing blkgs. As - * @q is bypassing at this point, blkg_lookup_create() can't be - * used. Open code insertion. - */ + /* Make sure the root blkg exists. */ rcu_read_lock(); spin_lock_irq(q->queue_lock); blkg = blkg_create(&blkcg_root, q, new_blkg);