On Tue, Jan 23 2018 at 11:16am -0500, Ming Lei <[email protected]> wrote:
> This status is returned from driver to block layer if device related > resource is run out of, but driver can guarantee that IO dispatch will > be triggered in future when the resource is available. > > This patch converts some drivers to use this return value. Meantime > if driver returns BLK_STS_RESOURCE and S_SCHED_RESTART is marked, run > queue after 10ms for avoiding IO hang. > > Suggested-by: Jens Axboe <[email protected]> > Tested-by: Laurence Oberman <[email protected]> > Cc: Christoph Hellwig <[email protected]> > Cc: Mike Snitzer <[email protected]> > Cc: Laurence Oberman <[email protected]> > Cc: Bart Van Assche <[email protected]> > Cc: Martin K. Petersen <[email protected]> > Cc: James E.J. Bottomley <[email protected]> > Signed-off-by: Ming Lei <[email protected]> Acked-by: Mike Snitzer <[email protected]> Thanks Ming
