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-rw-r--r--block/scsi_ioctl.c45
1 files changed, 31 insertions, 14 deletions
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 4e390dfd315..1d8852f7bbf 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -442,11 +442,37 @@ error:
return err;
}
+
+/* Send basic block requests */
+static int __blk_send_generic(request_queue_t *q, struct gendisk *bd_disk, int cmd, int data)
+{
+ struct request *rq;
+ int err;
+
+ rq = blk_get_request(q, WRITE, __GFP_WAIT);
+ rq->flags |= REQ_BLOCK_PC;
+ rq->data = NULL;
+ rq->data_len = 0;
+ rq->timeout = BLK_DEFAULT_TIMEOUT;
+ memset(rq->cmd, 0, sizeof(rq->cmd));
+ rq->cmd[0] = cmd;
+ rq->cmd[4] = data;
+ rq->cmd_len = 6;
+ err = blk_execute_rq(q, bd_disk, rq, 0);
+ blk_put_request(rq);
+
+ return err;
+}
+
+static inline int blk_send_start_stop(request_queue_t *q, struct gendisk *bd_disk, int data)
+{
+ return __blk_send_generic(q, bd_disk, GPCMD_START_STOP_UNIT, data);
+}
+
int scsi_cmd_ioctl(struct file *file, struct gendisk *bd_disk, unsigned int cmd, void __user *arg)
{
request_queue_t *q;
- struct request *rq;
- int close = 0, err;
+ int err;
q = bd_disk->queue;
if (!q)
@@ -564,19 +590,10 @@ int scsi_cmd_ioctl(struct file *file, struct gendisk *bd_disk, unsigned int cmd,
err = sg_scsi_ioctl(file, q, bd_disk, arg);
break;
case CDROMCLOSETRAY:
- close = 1;
+ err = blk_send_start_stop(q, bd_disk, 0x03);
+ break;
case CDROMEJECT:
- rq = blk_get_request(q, WRITE, __GFP_WAIT);
- rq->flags |= REQ_BLOCK_PC;
- rq->data = NULL;
- rq->data_len = 0;
- rq->timeout = BLK_DEFAULT_TIMEOUT;
- memset(rq->cmd, 0, sizeof(rq->cmd));
- rq->cmd[0] = GPCMD_START_STOP_UNIT;
- rq->cmd[4] = 0x02 + (close != 0);
- rq->cmd_len = 6;
- err = blk_execute_rq(q, bd_disk, rq, 0);
- blk_put_request(rq);
+ err = blk_send_start_stop(q, bd_disk, 0x02);
break;
default:
err = -ENOTTY;