Commit f3cfabce authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Christoph Hellwig

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: default avatarK. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent ea2aab24
...@@ -327,6 +327,8 @@ MODULE_PARM_DESC(storvsc_ringbuffer_size, "Ring buffer size (bytes)"); ...@@ -327,6 +327,8 @@ MODULE_PARM_DESC(storvsc_ringbuffer_size, "Ring buffer size (bytes)");
*/ */
static int storvsc_timeout = 180; static int storvsc_timeout = 180;
static int msft_blist_flags = BLIST_TRY_VPD_PAGES;
#define STORVSC_MAX_IO_REQUESTS 200 #define STORVSC_MAX_IO_REQUESTS 200
static void storvsc_on_channel_callback(void *context); static void storvsc_on_channel_callback(void *context);
...@@ -1449,6 +1451,14 @@ static int storvsc_device_configure(struct scsi_device *sdevice) ...@@ -1449,6 +1451,14 @@ static int storvsc_device_configure(struct scsi_device *sdevice)
sdevice->no_write_same = 1; 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; return 0;
} }
......
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