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

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

drivers/scsi/storvsc_drv.c

+10 −0
Original line number Diff line number Diff line
@@ -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;

}