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| author | Jiang Biao <jiang.biao2@zte.com.cn> | 2018-04-19 06:04:26 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-04-19 16:51:57 +0200 |
| commit | bea548831b8cee347181132eacd8b9711dfced92 (patch) | |
| tree | f272dea142771f94c944b8ea98ce2c9801731eee /block/blk-cgroup.c | |
| parent | blkcg: don't hold blkcg lock when deactivating policy (diff) | |
| download | linux-bea548831b8cee347181132eacd8b9711dfced92.tar.xz linux-bea548831b8cee347181132eacd8b9711dfced92.zip | |
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>
Diffstat (limited to 'block/blk-cgroup.c')
| -rw-r--r-- | block/blk-cgroup.c | 6 |
1 files changed, 1 insertions, 5 deletions
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); |