On Wed, Dec 04, 2019 at 04:07:42PM +0200, Nikos Tsironis wrote: > The thin provisioning target maintains per thin device mappings that map > virtual blocks to data blocks in the data device. Ack. But I think we're issuing the FLUSH twice with your patch. Since the original bio is still remapped and issued at the end of process_deferred_bios? - Joe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel