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Merge remote-tracking branch 'mkp-scsi/4.11/scsi-fixes' into fixes
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James Bottomley authored and James Bottomley committed Mar 12, 2017
2 parents e2a3a67 + 85e8a23 commit a11be42
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Showing 2 changed files with 18 additions and 10 deletions.
1 change: 1 addition & 0 deletions drivers/scsi/lpfc/lpfc_init.c
Original file line number Diff line number Diff line change
Expand Up @@ -12059,6 +12059,7 @@ static struct pci_driver lpfc_driver = {
.id_table = lpfc_id_table,
.probe = lpfc_pci_probe_one,
.remove = lpfc_pci_remove_one,
.shutdown = lpfc_pci_remove_one,
.suspend = lpfc_pci_suspend_one,
.resume = lpfc_pci_resume_one,
.err_handler = &lpfc_err_handler,
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27 changes: 17 additions & 10 deletions drivers/scsi/storvsc_drv.c
Original file line number Diff line number Diff line change
Expand Up @@ -400,8 +400,6 @@ MODULE_PARM_DESC(storvsc_vcpus_per_sub_channel, "Ratio of VCPUs to subchannels")
*/
static int storvsc_timeout = 180;

static int msft_blist_flags = BLIST_TRY_VPD_PAGES;

#if IS_ENABLED(CONFIG_SCSI_FC_ATTRS)
static struct scsi_transport_template *fc_transport_template;
#endif
Expand Down Expand Up @@ -1383,6 +1381,22 @@ static int storvsc_do_io(struct hv_device *device,
return ret;
}

static int storvsc_device_alloc(struct scsi_device *sdevice)
{
/*
* Set blist flag to permit the reading of the VPD pages even when
* the target may claim SPC-2 compliance. MSFT targets currently
* claim SPC-2 compliance while they implement post SPC-2 features.
* With this flag we can correctly handle WRITE_SAME_16 issues.
*
* Hypervisor reports SCSI_UNKNOWN type for DVD ROM device but
* still supports REPORT LUN.
*/
sdevice->sdev_bflags = BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES;

return 0;
}

static int storvsc_device_configure(struct scsi_device *sdevice)
{

Expand All @@ -1395,14 +1409,6 @@ static int storvsc_device_configure(struct scsi_device *sdevice)

sdevice->no_write_same = 1;

/*
* Add blist flags to permit the reading of the VPD pages even when
* the target may claim SPC-2 compliance. MSFT targets currently
* claim SPC-2 compliance while they implement post SPC-2 features.
* With this patch we can correctly handle WRITE_SAME_16 issues.
*/
sdevice->sdev_bflags |= msft_blist_flags;

/*
* If the host is WIN8 or WIN8 R2, claim conformance to SPC-3
* if the device is a MSFT virtual device. If the host is
Expand Down Expand Up @@ -1661,6 +1667,7 @@ static struct scsi_host_template scsi_driver = {
.eh_host_reset_handler = storvsc_host_reset_handler,
.proc_name = "storvsc_host",
.eh_timed_out = storvsc_eh_timed_out,
.slave_alloc = storvsc_device_alloc,
.slave_configure = storvsc_device_configure,
.cmd_per_lun = 255,
.this_id = -1,
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