[dm-devel] Re: [PATCH 2/9] dm snapshot: add lookup_completed_exception hook to struct exception_store
Alasdair G Kergon
agk at redhat.com
Wed Oct 29 23:52:34 UTC 2008
On Mon, Oct 27, 2008 at 09:07:49PM +0900, FUJITA Tomonori wrote:
> +struct dm_snap_exception *lookup_complete_exception(struct dm_snapshot *s,
> + chunk_t chunk)
> +{
> + if (s->store.lookup_completed_exception)
> + return s->store.lookup_completed_exception(&s->store, chunk);
> + else
> + return lookup_exception(&s->complete, chunk);
> +}
Can we have symmetry here such that lookup_completed_exception is *required* to be
defined for all snapshot types?
Alasdair
--
agk at redhat.com
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