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storvsc: Allow write_same when host is windows 10 

Allow WRITE_SAME for Windows10 and above hosts.

Tested-by: Alex Ng <alexng@microsoft.com>
Signed-off-by: Keith Mange <keith.mange@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Keith Mange 2015-08-13 08:43:51 -07:00 committed by James Bottomley
parent e6c4bc6684
commit b95f5be090
1 changed files with 5 additions and 1 deletions
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6
drivers/scsi/storvsc_drv.c
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@ -1480,7 +1480,8 @@ static int storvsc_device_configure(struct scsi_device *sdevice)
/*
* If the host is WIN8 or WIN8 R2, claim conformance to SPC-3
* if the device is a MSFT virtual device.
* if the device is a MSFT virtual device. If the host is
* WIN10 or newer, allow write_same.
*/
if (!strncmp(sdevice->vendor, "Msft", 4)) {
switch (vmstor_proto_version) {
@ -1489,6 +1490,9 @@ static int storvsc_device_configure(struct scsi_device *sdevice)
sdevice->scsi_level = SCSI_SPC_3;
break;
}
if (vmstor_proto_version >= VMSTOR_PROTO_VERSION_WIN10)
sdevice->no_write_same = 0;
}
return 0;