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kyber: make trace_block_rq call consistent with documentation 

The kyber ioscheduler calls trace_block_rq_insert() *after* the request
is added to the queue but the documentation for trace_block_rq_insert()
says that the call should be made *before* the request is added to the
queue.  Move the tracepoint for the kyber ioscheduler so that it is
consistent with the documentation.

Signed-off-by: Vincent Fu <vincent.fu@samsung.com>
Link: https://lore.kernel.org/r/20210804194913.10497-1-vincent.fu@samsung.com
Reviewed by: Adam Manzanares <a.manzanares@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Vincent Fu 2021-08-04 19:49:23 +00:00 committed by Jens Axboe
parent 2e9fb2c11e
commit fb7b9b0231
1 changed files with 1 additions and 1 deletions
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2
block/kyber-iosched.c
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@ -596,13 +596,13 @@ static void kyber_insert_requests(struct blk_mq_hw_ctx *hctx,
struct list_head *head = &kcq->rq_list[sched_domain];
spin_lock(&kcq->lock);
trace_block_rq_insert(rq);
if (at_head)
list_move(&rq->queuelist, head);
else
list_move_tail(&rq->queuelist, head);
sbitmap_set_bit(&khd->kcq_map[sched_domain],
rq->mq_ctx->index_hw[hctx->type]);
trace_block_rq_insert(rq);
spin_unlock(&kcq->lock);
}
}