Re: [PATCH] fs/compat_ioctl.c: add missing FS_IOC_FIEMAP support

From: Eric Sandeen
Date: Mon Aug 03 2009 - 18:21:37 EST


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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