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authorMichael Kelley (EOSG) <Michael.H.Kelley@microsoft.com>2018-01-25 01:49:57 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2018-02-14 05:35:37 +0300
commitcabe92a55e3a12005a4ac4d3954c9a174b0efe2a (patch)
tree450181f7707800d34b2eaf9add26a977ea92b182
parent50dbd09c56db0555813aa2824dc4fe8f1fc06aaa (diff)
downloadlinux-cabe92a55e3a12005a4ac4d3954c9a174b0efe2a.tar.xz
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@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>
-rw-r--r--drivers/scsi/storvsc_drv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index e07907d91d04..8eadb30115aa 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1656,7 +1656,7 @@ 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 */