[PATCH] switch ub

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

drivers/block/ub.c

@@ -1667,10 +1667,9 @@ static void ub_revalidate(struct ub_dev *sc, struct ub_lun *lun)
  * This is mostly needed to keep refcounting, but also to support
  * media checks on removable media drives.
  */
-static int ub_bd_open(struct inode *inode, struct file *filp)
+static int ub_bd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ub_lun *lun = disk->private_data;
+	struct ub_lun *lun = bdev->bd_disk->private_data;
 	struct ub_dev *sc = lun->udev;
 	unsigned long flags;
 	int rc;
@@ -1684,19 +1683,19 @@ static int ub_bd_open(struct inode *inode, struct file *filp)
 	spin_unlock_irqrestore(&ub_lock, flags);
 
 	if (lun->removable || lun->readonly)
-		check_disk_change(inode->i_bdev);
+		check_disk_change(bdev);
 
 	/*
 	 * The sd.c considers ->media_present and ->changed not equivalent,
 	 * under some pretty murky conditions (a failure of READ CAPACITY).
 	 * We may need it one day.
 	 */
-	if (lun->removable && lun->changed && !(filp->f_mode & FMODE_NDELAY)) {
+	if (lun->removable && lun->changed && !(mode & FMODE_NDELAY)) {
 		rc = -ENOMEDIUM;
 		goto err_open;
 	}
 
-	if (lun->readonly && (filp->f_mode & FMODE_WRITE)) {
+	if (lun->readonly && (mode & FMODE_WRITE)) {
 		rc = -EROFS;
 		goto err_open;
 	}
@@ -1710,9 +1709,8 @@ static int ub_bd_open(struct inode *inode, struct file *filp)
 
 /*
  */
-static int ub_bd_release(struct inode *inode, struct file *filp)
+static int ub_bd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct ub_lun *lun = disk->private_data;
 	struct ub_dev *sc = lun->udev;
 
@@ -1723,13 +1721,13 @@ static int ub_bd_release(struct inode *inode, struct file *filp)
 /*
  * The ioctl interface.
  */
-static int ub_bd_ioctl(struct inode *inode, struct file *filp,
+static int ub_bd_ioctl(struct block_device *bdev, fmode_t mode,
     unsigned int cmd, unsigned long arg)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 	void __user *usermem = (void __user *) arg;
 
-	return scsi_cmd_ioctl(disk->queue, disk, filp ? filp->f_mode : 0, cmd, usermem);
+	return scsi_cmd_ioctl(disk->queue, disk, mode, cmd, usermem);
 }
 
 /*
@@ -1791,9 +1789,9 @@ static int ub_bd_media_changed(struct gendisk *disk)
 
 static struct block_device_operations ub_bd_fops = {
 	.owner		= THIS_MODULE,
-	.__open		= ub_bd_open,
-	.__release	= ub_bd_release,
-	.__ioctl		= ub_bd_ioctl,
+	.open		= ub_bd_open,
+	.release	= ub_bd_release,
+	.locked_ioctl	= ub_bd_ioctl,
 	.media_changed	= ub_bd_media_changed,
 	.revalidate_disk = ub_bd_revalidate,
 };