copy_header_to_ring
err = copy_header_to_ring(ent, FUSE_URING_HEADER_OP,
return copy_header_to_ring(ent, FUSE_URING_HEADER_RING_ENT,
return copy_header_to_ring(ent, FUSE_URING_HEADER_IN_OUT, &req->in.h,