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blk-cgroup: remove a dead check in blk_throtl_bio 

bios must have a valid block group by the time they are submitted.

Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2020-06-27 09:31:59 +02:00 committed by Jens Axboe
parent db18a53e5b
commit a2e83ef9c3
1 changed files with 1 additions and 1 deletions
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2
block/blk-throttle.c
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@ -2163,7 +2163,7 @@ bool blk_throtl_bio(struct bio *bio)
struct request_queue *q = bio->bi_disk->queue;
struct blkcg_gq *blkg = bio->bi_blkg;
struct throtl_qnode *qn = NULL;
struct throtl_grp *tg = blkg_to_tg(blkg ?: q->root_blkg);
struct throtl_grp *tg = blkg_to_tg(blkg);
struct throtl_service_queue *sq;
bool rw = bio_data_dir(bio);
bool throttled = false;