linux-kernel - Re: [JANITOR PROPOSAL] Switch ioctl functions to ->unlocked

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Date:	Thu, 10 Jan 2008 01:49:15 -0800
From:	Daniel Phillips <phillips@...nq.net>
To:	Alasdair G Kergon <agk@...hat.com>
Cc:	Matt Mackall <mpm@...enic.com>,
	Paolo Ciarrocchi <paolo.ciarrocchi@...il.com>,
	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org, gorcunov@...il.com
Subject: Re: [JANITOR PROPOSAL] Switch ioctl functions to ->unlocked_ioctl

Hi Alasdair,

On Wednesday 09 January 2008 14:40, Alasdair G Kergon wrote:
> Device-mapper for example in dm_blk_ioctl(), has no need for BKL so
> drops it immediately, but it does need the inode parameter, so it is
> unable to switch as things stand.

So what stops you from changing to unlocked_ioctl for the main device 
mapper ctl_ioctl?  You aren't using the inode parameter, or the file 
parameter:

   http://lxr.linux.no/linux+v2.6.23.12/drivers/md/dm-ioctl.c#L1402

Regards,

Daniel
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