From 7873b842a2c7cf3fd3e02643d7606b6691f677bb Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sat, 20 Jun 2020 10:53:15 +0200 Subject: [PATCH] blk-cgroup: remove a dead check in blk_throtl_bio bios must have a valid block group by the time they are submitted. Signed-off-by: Christoph Hellwig --- block/blk-throttle.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/blk-throttle.c b/block/blk-throttle.c index 9d00f62c05ec..ad37043297ed 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -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; -- 2.50.1