On Fri, Jun 17, 2011 at 08:32:36AM -0400, Mikulas Patocka wrote: > Hi > > This optimizes full chunk writes for snapshots. > > Note that there is a performance bug in device mapper that it doesn't ever > send bios larger than 4k to snapshots. So this patch optimizes only 4k > chunk sizes. Once the 4k limit will be removed from device mapper, this > patch could optimize any chunk size. Nack. If you don't need to copy, don't send it to kcopyd. - Joe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
