On Mon, Mar 08, 2004 at 08:12:18PM +0100, Miquel van Smoorenburg wrote: > I also wasn't sure how bad it is for md->map to change during > dm_request. With your patch, __split_bio() has a pointer to a > refcounted copy of the table in ci.map, but multiple calls to > __split_bio from the same dm_request could still end up with > different maps, which could be bad (I don't know). No, dm_request() only calls __dm_request() and hence __split_bio() once. - Joe
