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>
This commit is contained in:
Liu Yuan 2011-04-24 02:49:26 +08:00 committed by Rusty Russell
parent 7a7c924cf0
commit 6917f83ffe

View File

@ -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));
}