FUSE_URING_HEADER_IN_OUT
case FUSE_URING_HEADER_IN_OUT:
return copy_header_to_ring(ent, FUSE_URING_HEADER_IN_OUT, &req->in.h,
if (copy_header_from_ring(ent, FUSE_URING_HEADER_IN_OUT, &req->out.h,