On Mon, Aug 13 2007, Jens Axboe wrote:
> > You did not comment on the one about putting the bio destructor in
> > the ->endio handler, which looks dead simple. The majority of cases
> > just use the default endio handler and the default destructor. Of the
> > remaining cases, where a specialized destructor is needed, typically a
> > specialized endio handler is too, so combining is free. There are few
> > if any cases where a new specialized endio handler would need to be
> > written.
>
> We could do that without too much work, I agree.
But that idea fails as well, since reference counts and IO completion
are two completely seperate entities. So unless end IO just happens to
be the last user holding a reference to the bio, you cannot free it.
--
Jens Axboe
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