Re: [PATCH V4 4/4] scsi: virtio_scsi: fix IO hang caused by irq vector automatic affinity

2018-03-12 Thread Ming Lei
On Sat, Mar 10, 2018 at 11:15:20AM +0100, Christoph Hellwig wrote: > This looks generally fine to me: > > Reviewed-by: Christoph Hellwig > > As a follow on we should probably kill virtscsi_queuecommand_single and > thus virtscsi_host_template_single as well. > > Given storage IO is always C/S mo

Re: [PATCH V4 4/4] scsi: virtio_scsi: fix IO hang caused by irq vector automatic affinity

2018-03-10 Thread Christoph Hellwig
This looks generally fine to me: Reviewed-by: Christoph Hellwig As a follow on we should probably kill virtscsi_queuecommand_single and thus virtscsi_host_template_single as well. > Given storage IO is always C/S model, there isn't such issue with > SCSI_MQ(blk-mq), What does C/S mean here? >