Finally, make VDP_Close() take vdp_ctx instead of req arg.

bin/varnishd/cache/cache_deliver_proc.c

@@ -149,18 +149,16 @@ VDP_Push(struct vdp_ctx *vdc, struct ws *ws, const struct vdp *vdp, void *priv)
 }
 
 uint64_t
-VDP_Close(struct req *req)
+VDP_Close(struct vdp_ctx *vdc)
 {
 	struct vdp_entry *vdpe;
-	struct vdp_ctx *vdc;
 	uint64_t rv = 0;
 
-	CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
-	vdc = req->vdc;
+	CHECK_OBJ_NOTNULL(vdc, VDP_CTX_MAGIC);
 	while (!VTAILQ_EMPTY(&vdc->vdp)) {
 		vdpe = VTAILQ_FIRST(&vdc->vdp);
 		rv = vdpe->bytes_in;
-		VSLb(req->vsl, SLT_VdpAcct, "%s %ju %ju", vdpe->vdp->name,
+		VSLb(vdc->vsl, SLT_VdpAcct, "%s %ju %ju", vdpe->vdp->name,
 		    (uintmax_t)vdpe->calls, (uintmax_t)rv);
 		if (vdc->retval >= 0)
 			AN(vdpe);

bin/varnishd/cache/cache_esi_deliver.c

@@ -880,5 +880,5 @@ ved_deliver(struct req *req, struct boc *boc, int wantbody)
 	if (i && req->doclose == SC_NULL)
 		req->doclose = SC_REM_CLOSE;
 
-	req->acct.resp_bodybytes += VDP_Close(req);
+	req->acct.resp_bodybytes += VDP_Close(req->vdc);
 }

bin/varnishd/cache/cache_filter.h

@@ -155,7 +155,7 @@ extern const struct vdp VDP_range;
 void VDP_Init(struct vdp_ctx *vdx, struct worker *wrk, struct vsl_log *vsl,
     struct req *req);
 
-uint64_t VDP_Close(struct req *req);
+uint64_t VDP_Close(struct vdp_ctx *);
 int VDP_DeliverObj(struct vdp_ctx *vdc, struct objcore *oc);
 
 int VDP_bytes(struct vdp_ctx *, enum vdp_action act, const void *ptr, ssize_t len);

bin/varnishd/http1/cache_http1_deliver.c

@@ -158,7 +158,7 @@ V1D_Deliver(struct req *req, struct boc *boc, int sendbody)
 	AZ(req->wrk->v1l);
 
 	req->acct.resp_hdrbytes += hdrbytes;
-	req->acct.resp_bodybytes += VDP_Close(req);
+	req->acct.resp_bodybytes += VDP_Close(req->vdc);
 
 	if (sc == SC_NULL && err && req->sp->fd >= 0)
 		sc = SC_REM_CLOSE;

bin/varnishd/http2/cache_http2_deliver.c

@@ -339,5 +339,5 @@ h2_deliver(struct req *req, struct boc *boc, int sendbody)
 	}
 
 	AZ(req->wrk->v1l);
-	req->acct.resp_bodybytes += VDP_Close(req);
+	req->acct.resp_bodybytes += VDP_Close(req->vdc);
 }