2.4.6

 fs

diff -u --recursive --new-file v2.4.5/linux/fs/block_dev.c linux/fs/block_dev.c
--- v2.4.5/linux/fs/block_dev.c   Tue May 22 09:35:42 2001
+++ linux/fs/block_dev.c   Mon Jun 11 19:15:27 2001
@@ -595,14 +595,15 @@
 
 int ioctl_by_bdev(struct block_device *bdev, unsigned cmd, unsigned long arg)
 {
-   kdev_t rdev = to_kdev_t(bdev->bd_dev);
    struct inode inode_fake;
    int res;
    mm_segment_t old_fs = get_fs();
 
    if (!bdev->bd_op->ioctl)
       return -EINVAL;
-   inode_fake.i_rdev=rdev;
+   memset(&inode_fake, 0, sizeof(inode_fake));
+   inode_fake.i_rdev = to_kdev_t(bdev->bd_dev);
+   inode_fake.i_bdev = bdev;
    init_waitqueue_head(&inode_fake.i_wait);
    set_fs(KERNEL_DS);
    res = bdev->bd_op->ioctl(&inode_fake, NULL, cmd, arg);