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SubjectRe: [PATCH] drivers: staging: lustre: lustre: include: add "__attribute__((packed))" for the related union
On 01/18/2014 06:05 PM, Dan Carpenter wrote:
> On Sat, Jan 18, 2014 at 05:50:34PM +0800, Chen Gang wrote:
>> Unfortunately, not all compilers assumes the structures within a pack
>> region also need be packed (e.g. metag), so need add a pack explicitly
>> to satisfy all compilers.
>>
>> The related error (under metag with allmodconfig):
>>
>> CC [M] drivers/staging/lustre/lustre/lov/lov_pack.o
>> drivers/staging/lustre/lustre/lov/lov_pack.c: In function 'lov_getstripe':
>> drivers/staging/lustre/lustre/lov/lov_pack.c:630: error: duplicate case value
>> drivers/staging/lustre/lustre/lov/lov_pack.c:630: error: previously used here
>>
>> And originally, all related code used "__attribute__((packed))", so
>> still use it instead of '__packed'.
>
> Use __packed. Then at least one line will be correct which is better
> than nothing.
>

Hmm... but that will break the 'consistency' (which is not quite good
for readers).

For me, it will be better to provide another patch to change all
"__attribute__((packed))" to "__packed" within this file.

What about your ideas?


Thanks.
--
Chen Gang

Open, share and attitude like air, water and life which God blessed


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