Hi Jens, this series adds a bvec_virt helper to return the virtual address of the data in bvec to replace the open coded calculation, and as a reminder that generall bio/bvec data can be in high memory unless it is caller controller or in an architecture specific driver where highmem is impossible. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel