Re: [PATCH RFC 1/3] block: add flag 'nowait_requests' into queue limits

2020-06-03 Thread Konstantin Khlebnikov
On 03/06/2020 07.58, Christoph Hellwig wrote: On Mon, Jun 01, 2020 at 03:37:09PM +0300, Konstantin Khlebnikov wrote: Add flag for marking bio-based queues which support REQ_NOWAIT. Set for all request based (mq) devices. Stacking device should set it after blk_set_stacking_limits() if method

Re: [PATCH RFC 1/3] block: add flag 'nowait_requests' into queue limits

2020-06-02 Thread Christoph Hellwig
On Mon, Jun 01, 2020 at 03:37:09PM +0300, Konstantin Khlebnikov wrote: > Add flag for marking bio-based queues which support REQ_NOWAIT. > Set for all request based (mq) devices. > > Stacking device should set it after blk_set_stacking_limits() if method > make_request() itself doesn't delay

[PATCH RFC 1/3] block: add flag 'nowait_requests' into queue limits

2020-06-01 Thread Konstantin Khlebnikov
Add flag for marking bio-based queues which support REQ_NOWAIT. Set for all request based (mq) devices. Stacking device should set it after blk_set_stacking_limits() if method make_request() itself doesn't delay requests or handles REQ_NOWAIT. Signed-off-by: Konstantin Khlebnikov ---