scsi: storvsc: Increase cmd_per_lun for higher speed devices

[ Upstream commit cabe92a55e ]

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@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Kelley (EOSG) 2018-01-24 22:49:57 +00:00 committed by Greg Kroah-Hartman
parent 4646c1af46
commit cd8acc4680

View file

@ -1580,7 +1580,7 @@ static struct scsi_host_template scsi_driver = {
.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 */