[dm-devel] [PATCH 1/3] blk-mq: introduce blk_mq_delay_kick_requeue_list()

Mike Snitzer snitzer at redhat.com
Wed Sep 14 15:13:44 UTC 2016


On Wed, Sep 14 2016 at 11:04am -0400,
Jens Axboe <axboe at kernel.dk> wrote:

> On 09/13/2016 10:01 AM, Mike Snitzer wrote:
> >blk_mq_delay_kick_requeue_list() provides the ability to kick the
> >q->requeue_list after a specified time.  To do this the request_queue's
> >'requeue_work' member was changed to a delayed_work.
> >
> >blk_mq_delay_kick_requeue_list() allows DM to defer processing requeued
> >requests while it doesn't make sense to immediately requeue them
> >(e.g. when all paths in a DM multipath have failed).
> 
> Looks fine to me, sans the missing jiffies conversion that Bart pointed
> out.

Thanks, I'll send v2 out shortly.




More information about the dm-devel mailing list