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authorLiu Yuan <tailai.ly@taobao.com>2011-04-23 22:49:26 +0400
committerRusty Russell <rusty@rustcorp.com.au>2011-05-30 05:44:13 +0400
commit6917f83ffe5e6b6414ccc845263b792ed201c0f1 (patch)
treee90ecfcad36fc10e679ae0b6d2a7e5e725b58d1e /drivers/block
parent7a7c924cf03da2a76ea4dc0aac1a788cf95a9c29 (diff)
downloadlinux-6917f83ffe5e6b6414ccc845263b792ed201c0f1.tar.xz
drivers, block: virtio_blk: Replace cryptic number with the macro
It is easier to figure out the context by reading SCSI_SENSE_BUFFERSIZE instead of plain '96'. Signed-off-by: Liu Yuan <tailai.ly@taobao.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/virtio_blk.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 33a48a80c7e8..079c08808d8a 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -7,6 +7,7 @@
#include <linux/virtio_blk.h>
#include <linux/scatterlist.h>
#include <linux/string_helpers.h>
+#include <scsi/scsi_cmnd.h>
#define PART_BITS 4
@@ -146,7 +147,7 @@ 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));
}