scsi: storvsc: use tagged SRB requests if supported by the device
authorLong Li <longli@microsoft.com>
Thu, 15 Dec 2016 02:46:01 +0000 (18:46 -0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Thu, 5 Jan 2017 05:21:11 +0000 (00:21 -0500)
commit3cd6d3d9b1abab8dcdf0800224ce26daac24eea2
tree633aab5801ea940ec25ef3b7e79c6e90ef30e0a5
parentd86adf482b843b3a58a9ec3b7c1ccdbf7c705db1
scsi: storvsc: use tagged SRB requests if supported by the device

Properly set SRB flags when hosting device supports tagged queuing.
This patch improves the performance on Fiber Channel disks.

Signed-off-by: Long Li <longli@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/storvsc_drv.c