blk-mq: allow setting of per-request timeouts
Currently blk-mq uses the queue timeout for all requests. But for some commands, drivers may want to set a specific timeout for special requests. Allow this to be passed in through request->timeout, and use it if set. Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
parent
edf866b380
commit
c22d9d8a60
|
@ -454,9 +454,13 @@ static void blk_mq_start_request(struct request *rq, bool last)
|
|||
/*
|
||||
* Just mark start time and set the started bit. Due to memory
|
||||
* ordering, we know we'll see the correct deadline as long as
|
||||
* REQ_ATOMIC_STARTED is seen.
|
||||
* REQ_ATOMIC_STARTED is seen. Use the default queue timeout,
|
||||
* unless one has been set in the request.
|
||||
*/
|
||||
if (!rq->timeout)
|
||||
rq->deadline = jiffies + q->rq_timeout;
|
||||
else
|
||||
rq->deadline = jiffies + rq->timeout;
|
||||
|
||||
/*
|
||||
* Mark us as started and clear complete. Complete might have been
|
||||
|
|
Loading…
Reference in a new issue