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Subject[PATCH 14/14] blk-cgroup: remove a dead check in blk_throtl_bio
Date
bios must have a valid block group by the time they are submitted.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
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 9d00f62c05ecdf..ad37043297ed58 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;
--
2.26.2
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