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

[Dilger, Andreas]

On Aug 17, 2017, at 10:26, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> 
> 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 âBUILD_BUG_ONâ
>>  BUILD_BUG_ON(sizeof(lum) != sizeof(struct lov_mds_md_v3));
>> 
>> Signed-off-by: Cihangir Akturk <cakturk@xxxxxxxxx>
>> ---
>> 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 :(

With James' recent patch series, this has moved to include/uapi/linux/lustre/lustre_user.h

Cheers, Andreas
--
Andreas Dilger
Lustre Principal Architect
Intel Corporation