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

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