Staging: hv: Get rid of the forward declaration of blkvsc_open()
authorK. Y. Srinivasan <kys@microsoft.com>
Wed, 6 Apr 2011 21:35:01 +0000 (14:35 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 20 Apr 2011 20:33:23 +0000 (13:33 -0700)
Get rid of the forward declaration of blkvsc_open() 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>
drivers/staging/hv/blkvsc_drv.c

index 55088b7..797bcdb 100644 (file)
@@ -106,6 +106,7 @@ struct block_device_context {
        int users;
 };
 
+static DEFINE_MUTEX(blkvsc_mutex);
 
 static const char *g_blk_driver_name = "blkvsc";
 
@@ -251,13 +252,34 @@ static unsigned int blkvsc_check_events(struct gendisk *gd,
 }
 
 
+static int blkvsc_open(struct block_device *bdev, fmode_t mode)
+{
+       struct block_device_context *blkdev = bdev->bd_disk->private_data;
+
+       DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users,
+                  blkdev->gd->disk_name);
+
+       mutex_lock(&blkvsc_mutex);
+       spin_lock(&blkdev->lock);
+
+       if (!blkdev->users && blkdev->device_type == DVD_TYPE) {
+               spin_unlock(&blkdev->lock);
+               check_disk_change(bdev);
+               spin_lock(&blkdev->lock);
+       }
+
+       blkdev->users++;
+
+       spin_unlock(&blkdev->lock);
+       mutex_unlock(&blkvsc_mutex);
+       return 0;
+}
+
 /* Static decl */
-static DEFINE_MUTEX(blkvsc_mutex);
 static int blkvsc_probe(struct device *dev);
 static int blkvsc_remove(struct device *device);
 static void blkvsc_shutdown(struct device *device);
 
-static int blkvsc_open(struct block_device *bdev,  fmode_t mode);
 static int blkvsc_release(struct gendisk *disk, fmode_t mode);
 static int blkvsc_revalidate_disk(struct gendisk *gd);
 static int blkvsc_getgeo(struct block_device *bd, struct hd_geometry *hg);
@@ -1368,29 +1390,6 @@ static void blkvsc_request(struct request_queue *queue)
        }
 }
 
-static int blkvsc_open(struct block_device *bdev, fmode_t mode)
-{
-       struct block_device_context *blkdev = bdev->bd_disk->private_data;
-
-       DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users,
-                  blkdev->gd->disk_name);
-
-       mutex_lock(&blkvsc_mutex);
-       spin_lock(&blkdev->lock);
-
-       if (!blkdev->users && blkdev->device_type == DVD_TYPE) {
-               spin_unlock(&blkdev->lock);
-               check_disk_change(bdev);
-               spin_lock(&blkdev->lock);
-       }
-
-       blkdev->users++;
-
-       spin_unlock(&blkdev->lock);
-       mutex_unlock(&blkvsc_mutex);
-       return 0;
-}
-
 static int blkvsc_release(struct gendisk *disk, fmode_t mode)
 {
        struct block_device_context *blkdev = disk->private_data;