> -----Original Message----- > From: Michael Kelley (EOSG) > Sent: Wednesday, January 24, 2018 2:50 PM > To: KY Srinivasan <kys@xxxxxxxxxxxxx>; Stephen Hemminger > <sthemmin@xxxxxxxxxxxxx>; martin.petersen@xxxxxxxxxx; Long Li > <longli@xxxxxxxxxxxxx>; jejb@xxxxxxxxxxxxxxxxxx; > devel@xxxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux- > scsi@xxxxxxxxxxxxxxx > Cc: Michael Kelley (EOSG) <Michael.H.Kelley@xxxxxxxxxxxxx> > Subject: [PATCH 1/1] scsi: storvsc: Increase cmd_per_lun for higher speed > devices > > Increase cmd_per_lun to allow more I/Os in progress per device, > particularly for NVMe's. The Hyper-V host side can handle the > higher count with no issues. > > Signed-off-by: Michael Kelley <mikelley@xxxxxxxxxxxxx> Reviewed-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> Acked-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> Thanks, K. Y > --- > drivers/scsi/storvsc_drv.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c > index f3264c4..6205107 100644 > --- a/drivers/scsi/storvsc_drv.c > +++ b/drivers/scsi/storvsc_drv.c > @@ -1657,7 +1657,7 @@ static int storvsc_queuecommand(struct Scsi_Host > *host, struct scsi_cmnd *scmnd) > .eh_timed_out = storvsc_eh_timed_out, > .slave_alloc = storvsc_device_alloc, > .slave_configure = storvsc_device_configure, > - .cmd_per_lun = 255, > + .cmd_per_lun = 2048, > .this_id = -1, > .use_clustering = ENABLE_CLUSTERING, > /* Make sure we dont get a sg segment crosses a page boundary */ > -- > 1.8.3.1
