[PATCH] drivers, block: virtio_blk: Replace cryptic number with the macro

From: Liu Yuan
Date: Sat Apr 23 2011 - 14:49:44 EST


From: Liu Yuan <tailai.ly@xxxxxxxxxx>

It is easier to figure out the context by reading SCSI_SENSE_BUFFERSIZE
instead of plain '96'.

Signed-off-by: Liu Yuan <tailai.ly@xxxxxxxxxx>
---
drivers/block/virtio_blk.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6ecf89c..d6a426a 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -6,6 +6,7 @@
#include <linux/virtio.h>
#include <linux/virtio_blk.h>
#include <linux/scatterlist.h>
+#include <scsi/scsi_cmnd.h>

#define PART_BITS 4

@@ -141,7 +142,7 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk,
num = blk_rq_map_sg(q, vbr->req, vblk->sg + out);

if (vbr->req->cmd_type == REQ_TYPE_BLOCK_PC) {
- sg_set_buf(&vblk->sg[num + out + in++], vbr->req->sense, 96);
+ sg_set_buf(&vblk->sg[num + out + in++], vbr->req->sense, SCSI_SENSE_BUFFERSIZE);
sg_set_buf(&vblk->sg[num + out + in++], &vbr->in_hdr,
sizeof(vbr->in_hdr));
}
--
1.7.1

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