Re: [PATCH] Fix blktrace setup 32-bit ioctl on 64-bit kernels

[David Miller]

From: Jens Axboe <jens.axboe@xxxxxxxxxx>
Date: Tue, 2 Oct 2007 09:39:43 +0200

> Hi,
> 
> The layout of struct blk_user_trace_setup is a bit unfortunate, it gets
> padded differently on 32-bit and 64-bit archs. So right now it's not
> possible to trace 64-bit kernels with a 32-bit app. This patch fixes
> that up by adding a compat ioctl handler for BLKTRACESETUP.
> 
> Signed-off-by: Jens Axboe <jens.axboe@xxxxxxxxxx>

Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
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