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blk-mq: simplify blk_mq_rq_timed_out

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2018-05-29 15:52:39 +02:00 committed by Jens Axboe
parent 88b0cfad28
commit d1210d5afb
1 changed files with 8 additions and 14 deletions
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22
block/blk-mq.c
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@ -770,22 +770,16 @@ EXPORT_SYMBOL(blk_mq_tag_to_rq);
static void blk_mq_rq_timed_out(struct request *req, bool reserved)
{
const struct blk_mq_ops *ops = req->q->mq_ops;
enum blk_eh_timer_return ret = BLK_EH_RESET_TIMER;
if (req->q->mq_ops->timeout) {
enum blk_eh_timer_return ret;
if (ops->timeout)
ret = ops->timeout(req, reserved);
switch (ret) {
case BLK_EH_RESET_TIMER:
blk_add_timer(req);
break;
case BLK_EH_DONE:
break;
default:
printk(KERN_ERR "block: bad eh return: %d\n", ret);
break;
ret = req->q->mq_ops->timeout(req, reserved);
if (ret == BLK_EH_DONE)
return;
WARN_ON_ONCE(ret != BLK_EH_RESET_TIMER);
}
blk_add_timer(req);
}
static bool blk_mq_req_expired(struct request *rq, unsigned long *next)