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Diffstat (limited to 'block/ioctl.c')
-rw-r--r--block/ioctl.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/block/ioctl.c b/block/ioctl.c
index f7e3e8abf88..52d6385216a 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -217,6 +217,10 @@ int blkdev_driver_ioctl(struct inode *inode, struct file *file,
}
EXPORT_SYMBOL_GPL(blkdev_driver_ioctl);
+/*
+ * always keep this in sync with compat_blkdev_ioctl() and
+ * compat_blkdev_locked_ioctl()
+ */
int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
unsigned long arg)
{
@@ -284,21 +288,4 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
return blkdev_driver_ioctl(inode, file, disk, cmd, arg);
}
-
-/* Most of the generic ioctls are handled in the normal fallback path.
- This assumes the blkdev's low level compat_ioctl always returns
- ENOIOCTLCMD for unknown ioctls. */
-long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
-{
- 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) {
- lock_kernel();
- ret = disk->fops->compat_ioctl(file, cmd, arg);
- unlock_kernel();
- }
- return ret;
-}
-
EXPORT_SYMBOL_GPL(blkdev_ioctl);