diff options
Diffstat (limited to 'drivers/md/dm-linear.c')
| -rw-r--r-- | drivers/md/dm-linear.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index 47b3c62bbdb8..00234909b3db 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -98,14 +98,31 @@ static int linear_status(struct dm_target *ti, status_type_t type, return 0; } +static int linear_ioctl(struct dm_target *ti, struct inode *inode, + struct file *filp, unsigned int cmd, + unsigned long arg) +{ + struct linear_c *lc = (struct linear_c *) ti->private; + struct block_device *bdev = lc->dev->bdev; + struct file fake_file = {}; + struct dentry fake_dentry = {}; + + fake_file.f_mode = lc->dev->mode; + fake_file.f_dentry = &fake_dentry; + fake_dentry.d_inode = bdev->bd_inode; + + return blkdev_driver_ioctl(bdev->bd_inode, &fake_file, bdev->bd_disk, cmd, arg); +} + static struct target_type linear_target = { .name = "linear", - .version= {1, 0, 1}, + .version= {1, 0, 2}, .module = THIS_MODULE, .ctr = linear_ctr, .dtr = linear_dtr, .map = linear_map, .status = linear_status, + .ioctl = linear_ioctl, }; int __init dm_linear_init(void) |