diff options
| author |   Keith Mange <keith.mange@microsoft.com> | 2015-08-13 08:43:51 -0700 |
|---|---|---|
| committer |   James Bottomley <JBottomley@Odin.com> | 2015-08-26 22:41:36 -0700 |
| commit | b95f5be09069526cf53705acbc1e22600f3f550b (patch) | |
| tree | 96653a314e00ef30e095dd15020fbeda3f5904b1 /drivers/scsi/storvsc_drv.c | |
| parent | storvsc: use storage protocol version to determine storage capabilities (diff) | |
| download | linux-dev-b95f5be09069526cf53705acbc1e22600f3f550b.tar.xz linux-dev-b95f5be09069526cf53705acbc1e22600f3f550b.zip | |
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>
Diffstat (limited to 'drivers/scsi/storvsc_drv.c')
| -rw-r--r-- | drivers/scsi/storvsc_drv.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 97219a0bb280..cbb1bd1e020c 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -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; |