Clarify VRT_delete_backend a bit

d243b4a1 · Dridi Boukelmoune · Lasse Karstensen · ed411722 · d243b4a1
Commit d243b4a1 authored Dec 04, 2015 by Dridi Boukelmoune Committed by Lasse Karstensen Jan 13, 2016
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cache_backend_cfg.c bin/varnishd/cache/cache_backend_cfg.c +3 -0

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--- a/bin/varnishd/cache/cache_backend_cfg.c
+++ b/bin/varnishd/cache/cache_backend_cfg.c
@@ -160,6 +160,9 @@ VRT_delete_backend(VRT_CTX, struct director **dp)
 	VTAILQ_REMOVE(&backends, be, list);
 	VTAILQ_INSERT_TAIL(&cool_backends, be, list);
 	Lck_Unlock(&be->mtx);
+
+	// NB. The backend is still usable for the ongoing transactions,
+	// this is why we don't bust the director's magic number.
 }

 /*---------------------------------------------------------------------