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From: Arnd Bergmann <arnd@arndb.de>
To: Alasdair G Kergon <agk@redhat.com>
Subject: Re: [PATCH 01/15] dm: support ioctls on mapped devices
Date: Wed, 5 Jul 2006 05:22:07 +0200
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Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org,
       Milan Broz <mbroz@redhat.com>
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Am Wednesday 21 June 2006 21:31 schrieb Alasdair G Kergon:
>  static struct block_device_operations dm_blk_dops = {
>         .open = dm_blk_open,
>         .release = dm_blk_close,
> +       .ioctl = dm_blk_ioctl,
>         .getgeo = dm_blk_getgeo,
>         .owner = THIS_MODULE

I guess this also needs a ->compat_ioctl method, otherwise it won't
work for ioctl numbers that have a compat_ioctl implementation in the
low-level device driver.

	Arnd <><