linux-kernel - [PATCH] virtio-scsi: Change sense buffer size to 252

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Message-Id: <1394095660-15075-1-git-send-email-famz@redhat.com>
Date:	Thu,  6 Mar 2014 16:47:40 +0800
From:	Fam Zheng <famz@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-scsi@...r.kernel.org, kvm@...r.kernel.org,
	pbonzini@...hat.com
Subject: [PATCH] virtio-scsi: Change sense buffer size to 252

According to SPC-4, section 4.5.2.1, 252 is the limit of sense data. So
increase the value.

Signed-off-by: Fam Zheng <famz@...hat.com>
---
 include/linux/virtio_scsi.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/virtio_scsi.h b/include/linux/virtio_scsi.h
index 4195b97..a437f7f 100644
--- a/include/linux/virtio_scsi.h
+++ b/include/linux/virtio_scsi.h
@@ -28,7 +28,7 @@
 #define _LINUX_VIRTIO_SCSI_H
 
 #define VIRTIO_SCSI_CDB_SIZE   32
-#define VIRTIO_SCSI_SENSE_SIZE 96
+#define VIRTIO_SCSI_SENSE_SIZE 252
 
 /* SCSI command request, followed by data-out */
 struct virtio_scsi_cmd_req {
-- 
1.9.0

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