Ming Lei writes:
> dm request based driver doesn't set BLK_MQ_F_BLOCKING, so dm_queue_rq()
> is supposed to not sleep.
>
> However, blk_insert_cloned_request() is used by dm_queue_rq() for
> queuing underlying request, but the underlying queue may be marked as
> BLK_MQ_F_BLOCKING, so blk_insert_c
On Thu, Jan 06 2022 at 10:51P -0500,
Ming Lei wrote:
> On Thu, Jan 06, 2022 at 10:40:51AM -0500, Mike Snitzer wrote:
> > On Tue, Dec 21 2021 at 9:14P -0500,
> > Ming Lei wrote:
> >
> > > dm request based driver doesn't set BLK_MQ_F_BLOCKING, so dm_queue_rq()
> > > is supposed to not sleep.
> >
On Thu, Jan 06, 2022 at 10:40:51AM -0500, Mike Snitzer wrote:
> On Tue, Dec 21 2021 at 9:14P -0500,
> Ming Lei wrote:
>
> > dm request based driver doesn't set BLK_MQ_F_BLOCKING, so dm_queue_rq()
> > is supposed to not sleep.
> >
> > However, blk_insert_cloned_request() is used by dm_queue_rq()
On Tue, Dec 21 2021 at 9:14P -0500,
Ming Lei wrote:
> dm request based driver doesn't set BLK_MQ_F_BLOCKING, so dm_queue_rq()
> is supposed to not sleep.
>
> However, blk_insert_cloned_request() is used by dm_queue_rq() for
> queuing underlying request, but the underlying queue may be marked as
dm request based driver doesn't set BLK_MQ_F_BLOCKING, so dm_queue_rq()
is supposed to not sleep.
However, blk_insert_cloned_request() is used by dm_queue_rq() for
queuing underlying request, but the underlying queue may be marked as
BLK_MQ_F_BLOCKING, so blk_insert_cloned_request() may become to
