Messages in this thread | | | Date | Thu, 17 Aug 2006 15:45:56 +0400 | From | Kirill Korotaev <> | Subject | Re: [RFC][PATCH 2/7] UBC: core (structures, API) |
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>>+struct user_beancounter >>+{ >>+ atomic_t ub_refcount; > > > Why not use a struct kref here instead of rolling your own reference > counting logic?
We need more complex decrement/locking scheme than krefs provide. e.g. in __put_beancounter() we need atomic_dec_and_lock_irqsave() semantics for performance optimizations.
Kirill
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