X-Git-Url: http://git.agner.ch/gitweb/?a=blobdiff_plain;f=block%2Fioctl.c;h=f6962b64660ea67c6092c6303d7d52cd69bffbeb;hb=e25db641c0e6dd49c5db24dbe154048d4a466727;hp=309760b7e37f0c9a7d08ddcf047196dc1eb70875;hpb=a4b47ab9464a8200528fad3101668abdd7379cf9;p=linux-drm-fsl-dcu.git

diff --git a/block/ioctl.c b/block/ioctl.c
index 309760b7e37f..f6962b64660e 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -72,7 +72,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
 			bdevp = bdget_disk(disk, part);
 			if (!bdevp)
 				return -ENOMEM;
-			mutex_lock_nested(&bdevp->bd_mutex, BD_MUTEX_PARTITION);
+			mutex_lock(&bdevp->bd_mutex);
 			if (bdevp->bd_openers) {
 				mutex_unlock(&bdevp->bd_mutex);
 				bdput(bdevp);
@@ -82,7 +82,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
 			fsync_bdev(bdevp);
 			invalidate_bdev(bdevp, 0);
 
-			mutex_lock_nested(&bdev->bd_mutex, BD_MUTEX_WHOLE);
+			mutex_lock(&bdev->bd_mutex);
 			delete_partition(disk, part);
 			mutex_unlock(&bdev->bd_mutex);
 			mutex_unlock(&bdevp->bd_mutex);
@@ -199,8 +199,8 @@ static int blkdev_locked_ioctl(struct file *file, struct block_device *bdev,
 	return -ENOIOCTLCMD;
 }
 
-static int blkdev_driver_ioctl(struct inode *inode, struct file *file,
-		struct gendisk *disk, unsigned cmd, unsigned long arg)
+int blkdev_driver_ioctl(struct inode *inode, struct file *file,
+			struct gendisk *disk, unsigned cmd, unsigned long arg)
 {
 	int ret;
 	if (disk->fops->unlocked_ioctl)
@@ -215,6 +215,7 @@ static int blkdev_driver_ioctl(struct inode *inode, struct file *file,
 
 	return -ENOTTY;
 }
+EXPORT_SYMBOL_GPL(blkdev_driver_ioctl);
 
 int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 			unsigned long arg)
@@ -289,7 +290,7 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
    ENOIOCTLCMD for unknown ioctls. */
 long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 {
-	struct block_device *bdev = file->f_dentry->d_inode->i_bdev;
+	struct block_device *bdev = file->f_path.dentry->d_inode->i_bdev;
 	struct gendisk *disk = bdev->bd_disk;
 	int ret = -ENOIOCTLCMD;
 	if (disk->fops->compat_ioctl) {