On Tue, Jun 10, 2025 at 07:06:43AM +0200, Christoph Hellwig wrote: > - iod->dma_len = bv->bv_len; > + iod->cmd.common.dptr.prp1 = cpu_to_le64(dma_addr); > + iod->cmd.common.dptr.prp2 = 0; > + if (bv.bv_len > first_prp_len) > + iod->cmd.common.dptr.prp2 = > + cpu_to_le64(dma_addr + first_prp_len); Nit, set prp2 to 0 in an 'else' case instead of unconditionally before overwriting it? Otherwise looks good.