[dm-devel] [PATCH v2 1/6] blk-mq: introduce blk_mq_delay_kick_requeue_list()

[Hannes Reinecke]

On 09/14/2016 06:29 PM, 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).
> 
> Signed-off-by: Mike Snitzer <snitzer at redhat.com>
> ---
>  block/blk-mq.c         | 15 +++++++++++----
>  include/linux/blk-mq.h |  1 +
>  include/linux/blkdev.h |  2 +-
>  3 files changed, 13 insertions(+), 5 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare at suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
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