linux-kernel - Re: [patch 3/3] Fix XFS_IOC_FSBULKSTAT{,_SINGLE} and XFS_IOC

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Date:	Thu, 28 Jun 2007 11:15:30 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	mmarek@...e.cz
Cc:	xfs@....sgi.com, linux-kernel@...r.kernel.org
Subject: Re: [patch 3/3] Fix XFS_IOC_FSBULKSTAT{,_SINGLE} and
 XFS_IOC_FSINUMBERS in compat mode

On Tue, 19 Jun 2007 15:25:52 +0200 mmarek@...e.cz wrote:

> * 32bit struct xfs_fsop_bulkreq has different size and layout of
>   members, no matter the alignment. Move the code out of the #else
>   branch (why was it there in the first place?). Define _32 variants of
>   the ioctl constants.
> * 32bit struct xfs_bstat is different because of time_t and on
>   i386 becaus of different padding. Create a new formatter
>   xfs_bulkstat_one_compat() that takes care of this. To do this, we need
>   to make xfs_bulkstat_one_iget() and xfs_bulkstat_one_dinode()
>   non-static.
> * i386 struct xfs_inogrp has different padding. Introduce a similar
>   "formatter" mechanism for xfs_inumbers: the native formatter is just a
>   copy_to_user, the compat formatter takes care of the different layout

test.kernel.org build failed:

  CC      fs/xfs/linux-2.6/xfs_ioctl32.o
fs/xfs/linux-2.6/xfs_ioctl32.c: In function ‘xfs_ioc_bulkstat_compat’:
fs/xfs/linux-2.6/xfs_ioctl32.c:334: error: ‘xfs_inumbers_fmt_compat’ undeclared (first use in this function)
fs/xfs/linux-2.6/xfs_ioctl32.c:334: error: (Each undeclared identifier is reported only once
fs/xfs/linux-2.6/xfs_ioctl32.c:334: error: for each function it appears in.)


http://test.kernel.org/abat/96972/debug/test.log.0
http://test.kernel.org/abat/96972/build/dotconfig
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