Messages in this thread Patch in this message | | | Date | Wed, 21 Jun 2006 20:33:08 +0100 | From | Alasdair G Kergon <> | Subject | [PATCH 02/15] dm linear: support ioctls |
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From: Milan Broz <mbroz@redhat.com>
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>
Index: linux-2.6.17/drivers/md/dm-linear.c =================================================================== --- linux-2.6.17.orig/drivers/md/dm-linear.c 2006-06-21 17:45:16.000000000 +0100 +++ linux-2.6.17/drivers/md/dm-linear.c 2006-06-21 18:32:07.000000000 +0100 @@ -96,14 +96,25 @@ static int linear_status(struct dm_targe 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) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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