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block: Observing higher CPU utilization during random IO testing #928

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block: Observing higher CPU utilization during random IO testing #928

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7 changes: 0 additions & 7 deletions block/blk-core.c
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Original file line number Diff line number Diff line change
Expand Up @@ -626,11 +626,6 @@ static inline blk_status_t blk_check_zone_append(struct request_queue *q,

static void __submit_bio(struct bio *bio)
{
/* If plug is not used, add new plug here to cache nsecs time. */
struct blk_plug plug;

blk_start_plug(&plug);

if (!bdev_test_flag(bio->bi_bdev, BD_HAS_SUBMIT_BIO)) {
blk_mq_submit_bio(bio);
} else if (likely(bio_queue_enter(bio) == 0)) {
Expand All @@ -645,8 +640,6 @@ static void __submit_bio(struct bio *bio)
}
blk_queue_exit(disk->queue);
}

blk_finish_plug(&plug);
}

/*
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