sg: remove __sg_start_req

__sg_start_req() was used temporarily to call blk_get_request() during
converting sg to use the block layer.

Now sg always calls blk_get_request() so we can move blk_get_request()
to sg_start_req(). We don't need __sg_start_req anymore.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 13 insertions, 25 deletions

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index ccce31a400e..9a56c0d320b 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1626,14 +1626,23 @@ exit_sg(void)
         idr_destroy(&sg_index_idr);
 }
 
-static int __sg_start_req(struct sg_request *srp, struct sg_io_hdr *hp,
-                          unsigned char *cmd)
+static int sg_start_req(Sg_request *srp, unsigned char *cmd)
 {
-        struct sg_fd *sfp = srp->parentfp;
-        struct request_queue *q = sfp->parentdp->device->request_queue;
+        int res = 0;
         struct request *rq;
+        Sg_fd *sfp = srp->parentfp;
+        sg_io_hdr_t *hp = &srp->header;
+        int dxfer_len = (int) hp->dxfer_len;
+        int dxfer_dir = hp->dxfer_direction;
+        Sg_scatter_hold *req_schp = &srp->data;
+        Sg_scatter_hold *rsv_schp = &sfp->reserve;
+        struct request_queue *q = sfp->parentdp->device->request_queue;
+        struct rq_map_data map_data;
         int rw = hp->dxfer_direction == SG_DXFER_TO_DEV ? WRITE : READ;
 
+        SCSI_LOG_TIMEOUT(4, printk(KERN_INFO "sg_start_req: dxfer_len=%d\n",
+                                   dxfer_len));
+
         rq = blk_get_request(q, rw, GFP_ATOMIC);
         if (!rq)
                 return -ENOMEM;
@@ -1648,27 +1657,6 @@ static int __sg_start_req(struct sg_request *srp, struct sg_io_hdr *hp,
         rq->sense = srp->sense_b;
         rq->retries = SG_DEFAULT_RETRIES;
 
-        return 0;
-}
-
-static int sg_start_req(Sg_request *srp, unsigned char *cmd)
-{
-        int res;
-        Sg_fd *sfp = srp->parentfp;
-        sg_io_hdr_t *hp = &srp->header;
-        int dxfer_len = (int) hp->dxfer_len;
-        int dxfer_dir = hp->dxfer_direction;
-        Sg_scatter_hold *req_schp = &srp->data;
-        Sg_scatter_hold *rsv_schp = &sfp->reserve;
-        struct request_queue *q = sfp->parentdp->device->request_queue;
-        struct rq_map_data map_data;
-
-        SCSI_LOG_TIMEOUT(4, printk("sg_start_req: dxfer_len=%d\n", dxfer_len));
-
-        res = __sg_start_req(srp, hp, cmd);
-        if (res)
-                return res;
-
         if ((dxfer_len <= 0) || (dxfer_dir == SG_DXFER_NONE))
                 return 0;