Staging: hv: Get rid of the forward declaration for blkvsc_do_inquiry()

Get rid of the forward declaration for blkvsc_do_inquiry() by moving the code
around.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 2094d00b7cb3b7f2625b3bfcd3e9dd50c30f8ea1..c06123b713b6012dd3b261cf7e935d9ed36fb503 100644 (file)
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -868,13 +868,91 @@ static int blkvsc_revalidate_disk(struct gendisk *gd)
        return 0;
 }
 
+
+/* Do a scsi INQUIRY cmd here to get the device type (ie disk or dvd) */
+static int blkvsc_do_inquiry(struct block_device_context *blkdev)
+{
+       struct blkvsc_request *blkvsc_req;
+       struct page *page_buf;
+       unsigned char *buf;
+       unsigned char device_type;
+
+       DPRINT_DBG(BLKVSC_DRV, "blkvsc_do_inquiry()\n");
+
+       blkvsc_req = kmem_cache_zalloc(blkdev->request_pool, GFP_KERNEL);
+       if (!blkvsc_req)
+               return -ENOMEM;
+
+       memset(blkvsc_req, 0, sizeof(struct blkvsc_request));
+       page_buf = alloc_page(GFP_KERNEL);
+       if (!page_buf) {
+               kmem_cache_free(blkvsc_req->dev->request_pool, blkvsc_req);
+               return -ENOMEM;
+       }
+
+       init_completion(&blkvsc_req->request.wait_event);
+       blkvsc_req->dev = blkdev;
+       blkvsc_req->req = NULL;
+       blkvsc_req->write = 0;
+
+       blkvsc_req->request.data_buffer.pfn_array[0] =
+       page_to_pfn(page_buf);
+       blkvsc_req->request.data_buffer.offset = 0;
+       blkvsc_req->request.data_buffer.len = 64;
+
+       blkvsc_req->cmnd[0] = INQUIRY;
+       blkvsc_req->cmnd[1] = 0x1;              /* Get product data */
+       blkvsc_req->cmnd[2] = 0x83;             /* mode page 83 */
+       blkvsc_req->cmnd[4] = 64;
+       blkvsc_req->cmd_len = 6;
+
+       blkvsc_submit_request(blkvsc_req, blkvsc_cmd_completion);
+
+       DPRINT_DBG(BLKVSC_DRV, "waiting %p to complete\n",
+                  blkvsc_req);
+
+       wait_for_completion_interruptible(&blkvsc_req->request.wait_event);
+
+       buf = kmap(page_buf);
+
+       /* print_hex_dump_bytes("", DUMP_PREFIX_NONE, buf, 64); */
+       /* be to le */
+       device_type = buf[0] & 0x1F;
+
+       if (device_type == 0x0) {
+               blkdev->device_type = HARDDISK_TYPE;
+       } else if (device_type == 0x5) {
+               blkdev->device_type = DVD_TYPE;
+       } else {
+               /* TODO: this is currently unsupported device type */
+               blkdev->device_type = UNKNOWN_DEV_TYPE;
+       }
+
+       DPRINT_DBG(BLKVSC_DRV, "device type %d\n", device_type);
+
+       blkdev->device_id_len = buf[7];
+       if (blkdev->device_id_len > 64)
+               blkdev->device_id_len = 64;
+
+       memcpy(blkdev->device_id, &buf[8], blkdev->device_id_len);
+       /* printk_hex_dump_bytes("", DUMP_PREFIX_NONE, blkdev->device_id,
+        * blkdev->device_id_len); */
+
+       kunmap(page_buf);
+
+       __free_page(page_buf);
+
+       kmem_cache_free(blkvsc_req->dev->request_pool, blkvsc_req);
+
+       return 0;
+}
+
 /* Static decl */
 static int blkvsc_probe(struct device *dev);
 static void blkvsc_request(struct request_queue *queue);
 static void blkvsc_request_completion(struct hv_storvsc_request *request);
 static int blkvsc_do_request(struct block_device_context *blkdev,
                             struct request *req);
-static int blkvsc_do_inquiry(struct block_device_context *blkdev);
 static int blkvsc_do_pending_reqs(struct block_device_context *blkdev);
 
 static int blkvsc_ringbuffer_size = BLKVSC_RING_BUFFER_SIZE;
@@ -1129,84 +1207,6 @@ Cleanup:
        return ret;
 }
 
-/* Do a scsi INQUIRY cmd here to get the device type (ie disk or dvd) */
-static int blkvsc_do_inquiry(struct block_device_context *blkdev)
-{
-       struct blkvsc_request *blkvsc_req;
-       struct page *page_buf;
-       unsigned char *buf;
-       unsigned char device_type;
-
-       DPRINT_DBG(BLKVSC_DRV, "blkvsc_do_inquiry()\n");
-
-       blkvsc_req = kmem_cache_zalloc(blkdev->request_pool, GFP_KERNEL);
-       if (!blkvsc_req)
-               return -ENOMEM;
-
-       memset(blkvsc_req, 0, sizeof(struct blkvsc_request));
-       page_buf = alloc_page(GFP_KERNEL);
-       if (!page_buf) {
-               kmem_cache_free(blkvsc_req->dev->request_pool, blkvsc_req);
-               return -ENOMEM;
-       }
-
-       init_completion(&blkvsc_req->request.wait_event);
-       blkvsc_req->dev = blkdev;
-       blkvsc_req->req = NULL;
-       blkvsc_req->write = 0;
-
-       blkvsc_req->request.data_buffer.pfn_array[0] =
-       page_to_pfn(page_buf);
-       blkvsc_req->request.data_buffer.offset = 0;
-       blkvsc_req->request.data_buffer.len = 64;
-
-       blkvsc_req->cmnd[0] = INQUIRY;
-       blkvsc_req->cmnd[1] = 0x1;              /* Get product data */
-       blkvsc_req->cmnd[2] = 0x83;             /* mode page 83 */
-       blkvsc_req->cmnd[4] = 64;
-       blkvsc_req->cmd_len = 6;
-
-       blkvsc_submit_request(blkvsc_req, blkvsc_cmd_completion);
-
-       DPRINT_DBG(BLKVSC_DRV, "waiting %p to complete\n",
-                  blkvsc_req);
-
-       wait_for_completion_interruptible(&blkvsc_req->request.wait_event);
-
-       buf = kmap(page_buf);
-
-       /* print_hex_dump_bytes("", DUMP_PREFIX_NONE, buf, 64); */
-       /* be to le */
-       device_type = buf[0] & 0x1F;
-
-       if (device_type == 0x0) {
-               blkdev->device_type = HARDDISK_TYPE;
-       } else if (device_type == 0x5) {
-               blkdev->device_type = DVD_TYPE;
-       } else {
-               /* TODO: this is currently unsupported device type */
-               blkdev->device_type = UNKNOWN_DEV_TYPE;
-       }
-
-       DPRINT_DBG(BLKVSC_DRV, "device type %d\n", device_type);
-
-       blkdev->device_id_len = buf[7];
-       if (blkdev->device_id_len > 64)
-               blkdev->device_id_len = 64;
-
-       memcpy(blkdev->device_id, &buf[8], blkdev->device_id_len);
-       /* printk_hex_dump_bytes("", DUMP_PREFIX_NONE, blkdev->device_id,
-        * blkdev->device_id_len); */
-
-       kunmap(page_buf);
-
-       __free_page(page_buf);
-
-       kmem_cache_free(blkvsc_req->dev->request_pool, blkvsc_req);
-
-       return 0;
-}
-
 /*
  * We break the request into 1 or more blkvsc_requests and submit
  * them.  If we can't submit them all, we put them on the