[PATCH] suppress 'store_purr' unused warning

[Dave Hansen]

On Wed, 2004-08-04 at 15:58, Anton Blanchard wrote:
> Hi,
>
> > Some new sysfs macros declare a store_purr() function that never gets
> > used, which makes a compiler warning happen.  Suppress the warning with
> > an unused attribute.
>
> Looks good to me, but could you use the __attribute_used__ compiler.h
> macro to guard against the ever changing gcc mind?

Updated patch attached.

-- Dave
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