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block: don't check bio in blk_throtl_dispatch_work_fn

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The bio has been checked already before throttling, so no need to check
it again before dispatching it from throttle queue.

Add a helper of submit_bio_noacct_nocheck() for this purpose.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220216044514.2903784-5-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Ming Lei
2022-02-16 12:45:10 +08:00
committed by Jens Axboe
parent 29ff23624e
commit 3f98c75371
3 changed files with 19 additions and 14 deletions
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2
block/blk-throttle.c
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@@ -1218,7 +1218,7 @@ static void blk_throtl_dispatch_work_fn(struct work_struct *work)
if (!bio_list_empty(&bio_list_on_stack)) {
blk_start_plug(&plug);
while ((bio = bio_list_pop(&bio_list_on_stack)))
submit_bio_noacct(bio);
submit_bio_noacct_nocheck(bio);
blk_finish_plug(&plug);
}
}