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-rw-r--r--drivers/scsi/storvsc_drv.c10
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)");
327 */ 327 */
328static int storvsc_timeout = 180; 328static int storvsc_timeout = 180;
329 329
330static int msft_blist_flags = BLIST_TRY_VPD_PAGES;
331
330#define STORVSC_MAX_IO_REQUESTS 200 332#define STORVSC_MAX_IO_REQUESTS 200
331 333
332static void storvsc_on_channel_callback(void *context); 334static void storvsc_on_channel_callback(void *context);
@@ -1449,6 +1451,14 @@ static int storvsc_device_configure(struct scsi_device *sdevice)
1449 1451
1450 sdevice->no_write_same = 1; 1452 sdevice->no_write_same = 1;
1451 1453
1454 /*
1455 * Add blist flags to permit the reading of the VPD pages even when
1456 * the target may claim SPC-2 compliance. MSFT targets currently
1457 * claim SPC-2 compliance while they implement post SPC-2 features.
1458 * With this patch we can correctly handle WRITE_SAME_16 issues.
1459 */
1460 sdevice->sdev_bflags |= msft_blist_flags;
1461
1452 return 0; 1462 return 0;
1453} 1463}
1454 1464