Re: [PATCH V2] scsi_debug: add LBPRZ support

["Martin K. Petersen" <mkp@mkp.net>]

>>>>> "Eric" == Eric Sandeen <sandeen@redhat.com> writes:

Eric> note, I didn't change the return value of inquiry_evpd_b2(); that
Eric> seems unrelated to this change, and should be a separate patch,
Eric> no?


scsi_debug: Fix incorrect page length in logical block provisioning VPD

The page length for the 0xb2 VPD page is defined to be 4 bytes when no
provisioning descriptors are provided (DP=0).

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

---

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 6888b2c..a393a61 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -777,7 +777,7 @@ static int inquiry_evpd_b1(unsigned char *arr)
 /* Thin provisioning VPD page (SBC-3) */
 static int inquiry_evpd_b2(unsigned char *arr)
 {
-	memset(arr, 0, 0x8);
+	memset(arr, 0, 0x4);
 	arr[0] = 0;			/* threshold exponent */
 
 	if (scsi_debug_lbpu)
@@ -789,7 +789,7 @@ static int inquiry_evpd_b2(unsigned char *arr)
 	if (scsi_debug_lbpws10)
 		arr[1] |= 1 << 5;
 
-	return 0x8;
+	return 0x4;
 }
 
 #define SDEBUG_LONG_INQ_SZ 96