diff options
| author | K. Y. Srinivasan <kys@microsoft.com> | 2014-07-22 01:06:01 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-07-25 23:23:25 +0200 |
| commit | f3cfabce7a2e92564d380de3aad4b43901fb7ae6 (patch) | |
| tree | c3016681866e3af61ebc8b62653a6667513fabcc /drivers/scsi | |
| parent | scsi: ufs: fix endianness sparse warnings (diff) | |
| download | linux-f3cfabce7a2e92564d380de3aad4b43901fb7ae6.tar.xz linux-f3cfabce7a2e92564d380de3aad4b43901fb7ae6.zip | |
Drivers: add blist flags
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.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/storvsc_drv.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index ed0f899e8aa5..fecac5d03fdd 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -327,6 +327,8 @@ MODULE_PARM_DESC(storvsc_ringbuffer_size, "Ring buffer size (bytes)"); */ static int storvsc_timeout = 180; +static int msft_blist_flags = BLIST_TRY_VPD_PAGES; + #define STORVSC_MAX_IO_REQUESTS 200 static void storvsc_on_channel_callback(void *context); @@ -1449,6 +1451,14 @@ 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; + return 0; } |