Hi Here I'm sending the second version of dm-bufio patches for arbitrary sector size. I dropped the patch that removes alloc_pages because it turns out that alloc_pages is faster than the slab allocator. I also added a patch that removes struct bio from struct dm_buffer (reducing the size of dm_buffer to 1/3) and allocates the bio only when doing read or write. Mikulas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel