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blk-mq: use BLK_MQ_NO_TAG for no tag

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Replace various magic -1 constants for tags with BLK_MQ_NO_TAG.

Signed-off-by: Xianting Tian <tian.xianting@h3c.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Xianting Tian 2020-08-27 14:34:17 +08:00 • committed by Jens Axboe
parent cdfcef9ee8
commit e44a6a2359
2 changed files with 3 additions and 3 deletions
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4
block/blk-core.c
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@ -116,8 +116,8 @@ void blk_rq_init(struct request_queue *q, struct request *rq)
rq->__sector = (sector_t) -1;
INIT_HLIST_NODE(&rq->hash);
RB_CLEAR_NODE(&rq->rb_node);
rq->tag = -1;
rq->internal_tag = -1;
rq->tag = BLK_MQ_NO_TAG;
rq->internal_tag = BLK_MQ_NO_TAG;
rq->start_time_ns = ktime_get_ns();
rq->part = NULL;
refcount_set(&rq->ref, 1);

2
block/blk-mq-sched.c
View file

@ -475,7 +475,7 @@ void blk_mq_sched_insert_request(struct request *rq, bool at_head,
goto run;
}
WARN_ON(e && (rq->tag != -1));
WARN_ON(e && (rq->tag != BLK_MQ_NO_TAG));
if (blk_mq_sched_bypass_insert(hctx, !!e, rq)) {
/*