On Mon, Oct 08, 2012 at 11:39:18PM -0700, Kent Overstreet wrote: > The refcounting before wasn't very clear; there are two refcounts in > struct kioctx, with an unclear relationship between them (or between > them and ctx->dead). > > Now, reqs_active holds a refcount on users (when reqs_active is > nonzero), and the initial refcount is taken on reqs_active - when > ctx->dead goes to 1, we drop that initial refcount. I agree that it's a mess, but let's rethink this work on top of the series I'm sending out that gets rid of the retry and cancel code. It makes the code a lot easier to follow. (And Jens also has some patches to take fewer locks in the submission path, we'll want to take them into account too.) - z -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
