On Tue, 12 Aug 2008 05:56:57 -0700 Daniel Phillips <phillips@xxxxxxxxx> wrote: > Hi tomonori, > > An impressive patch. Thanks, and thanks a lot for the nice snapshot code. > You just want to use getblk for alloc_chunk_buffer, > not vmalloc. I think that it means that we cache all the chunks, both btree chunks and the data chunks (which are passed to the upper layer such as file systems). I think that we don't want cache the latter in dm. > That is what the buffer cache is for, and that is why I > emulated it in userspace. > > More comments later. Thanks. I'll post a new patchset in a more reasonable format shortly (tomorrow or day after tomorrow, hopefully). -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel