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SubjectRe: [patch] Add kref_read and kref_put_last primitives
On Mon, Jul 26, 2004 at 08:18:56PM +0530, Ravikiran G Thirumalai wrote:
> Greg,
> Here is a patch to add kref_read and kref_put_last.
> These primitives were needed to change files_struct.f_count
> refcounter to use kref api.
>
> kref_put_last is needed sometimes when a refcount might
> have an unconventional release which needs more than
> the refcounted object to process object release-- like in the
> files_struct.f_count conversion patch at __aio_put_req().
> The following patch depends on kref shrinkage patches.
> (which you have already included).

Why don't you simply use an atomic_t if that's what you seem to
want?

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