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authorChristoph Hellwig <hch@lst.de>2020-06-27 09:31:59 +0200
committerJens Axboe <axboe@kernel.dk>2020-06-29 09:09:08 -0600
commita2e83ef9c3da0602234357bdbfe2ac64e91906e9 (patch)
tree2f7fc5ec97f7c5d127daa6fe31f6a1abdaebf9cc /block
parentdb18a53e5ba840993a3fc908dec648402ed740bd (diff)
downloadlwn-a2e83ef9c3da0602234357bdbfe2ac64e91906e9.tar.gz
lwn-a2e83ef9c3da0602234357bdbfe2ac64e91906e9.zip
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>
Diffstat (limited to 'block')
-rw-r--r--block/blk-throttle.c2
1 files changed, 1 insertions, 1 deletions
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;