diff options
| author | Milan Broz <mbroz@redhat.com> | 2006-10-03 10:15:18 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-03 17:04:13 +0200 |
| commit | ab17ffa440cb54ca64111fa4922ba12496fcc8af (patch) | |
| tree | eda3d4c68dc6790374988772bda5fd9ba6d87651 /drivers/md/dm-linear.c | |
| parent | [PATCH] dm: support ioctls on mapped devices (diff) | |
| download | linux-ab17ffa440cb54ca64111fa4922ba12496fcc8af.tar.xz linux-ab17ffa440cb54ca64111fa4922ba12496fcc8af.zip | |
[PATCH] dm linear: support ioctls
When an ioctl is performed on a device with a linear target, simply pass it on
to the underlying block device.
Note that the ioctl will pass through the filtering in blkdev_ioctl() twice.
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md/dm-linear.c')
| -rw-r--r-- | drivers/md/dm-linear.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index 47b3c62bbdb8..c58f072ccae6 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -98,14 +98,25 @@ 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; + + return blkdev_ioctl(bdev->bd_inode, filp, 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) |