linux-ext4 - Re: [PATCH] fs/compat_ioctl.c: add missing FS_IOC

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Date:	Mon, 03 Aug 2009 17:21:30 -0500
From:	Eric Sandeen <sandeen@...deen.net>
To:	Mark Lord <lkml@....ca>
CC:	Eric Sandeen <sandeen@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-ext4@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] fs/compat_ioctl.c: add missing FS_IOC_FIEMAP support

Mark Lord wrote:
> Eric Sandeen wrote:
>> Mark Lord wrote:
>>> (resending, no ack from anyone first time around).
>> I had previously sent a fix for this to the ext4 list as well, although
>> w/o the added case for compat_ioctl or the extra #include.
>>
>> Because this ioctl should be 100% compat everywhere, I don't -think-
>> it's needed, and
>>
>> http://marc.info/?l=linux-ext4&m=124872536713005&w=2
>>
>> suffices....
> ..
> 
> Well, whichever of the two works best for the maintainers.
> 
> We need *something* for it upstream, and probably back in -stable too.
> Otherwise this prevents using 64-bit kernels on 32-bit userland,
> as Linus likes to recommend so often.  ;)
> 
> Cheers
> 

Heh, it's probably far from the only ioctl missing a compat handler, but
yeah.  :)

-Eric
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