linux-kernel - Re: [PATCH] staging: lustre: fix structure size for ARM OABI

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Date:   Thu, 17 Aug 2017 09:26:39 -0700
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Cihangir Akturk <cakturk@...il.com>
Cc:     lustre-devel@...ts.lustre.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, oleg.drokin@...el.com,
        andreas.dilger@...el.com
Subject: Re: [PATCH] staging: lustre: fix structure size for ARM OABI

On Wed, Aug 16, 2017 at 05:44:15PM +0300, Cihangir Akturk wrote:
> When building the kernel for the ARM architecture without setting
> CONFIG_AEABI, size of struct lov_user_md_v3 and struct lov_mds_md_v3
> differs, due to different alignment requirements of OABI and EABI.
> 
> Marking the anonymous union within struct lov_user_md_v3 as
> '_packed' solves this issue. Otherwise we get the following
> error:
> 
> drivers/staging/lustre/lustre/lov/lov_pack.c:352:2: note: in expansion
> of macro ‘BUILD_BUG_ON’
>   BUILD_BUG_ON(sizeof(lum) != sizeof(struct lov_mds_md_v3));
> 
> Signed-off-by: Cihangir Akturk <cakturk@...il.com>
> ---
>  drivers/staging/lustre/lustre/include/lustre/lustre_user.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

This file is no longer in the tree :(

thanks,

greg k-h