Messages in this thread | | | Date | Tue, 26 Mar 2019 20:33:54 -0600 | From | Keith Busch <> | Subject | Re: [PATCH V2 7/8] nvme: use blk_mq_queue_tag_inflight_iter |
| |
On Wed, Mar 27, 2019 at 10:27:57AM +0800, jianchao.wang wrote: > As the comment above, the stable request maybe something that has been freed due to following case, > 1. a hctx->fq.flush_rq of dead request_queue that shares the same tagset > 2. a removed io scheduler's sched request > and this freed request could be allocated by others which may change the field of request->state.
You're not explaing how that request->state is changed. I understand the request can be reallocated, but what is changing its state?
| |