From 88695877f085af475a6ca8a01c2fbb08eb5b15da Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 29 Aug 2019 14:49:18 +0200
Subject: [SERVER] Use weakref for cache maps

Gets rid of a bunch of locking, especially the hot path in net.c where
clients are requesting data. Many clients unsing the same incomplete
image previously created a bottleneck here.
---
 src/server/image.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/server/image.h')

diff --git a/src/server/image.h b/src/server/image.h
index 4668eff..cd87f03 100644
--- a/src/server/image.h
+++ b/src/server/image.h
@@ -9,7 +9,7 @@ void image_serverStartup();
 
 bool image_isComplete(dnbd3_image_t *image);
 
-bool image_isHashBlockComplete(const uint8_t * const cacheMap, const uint64_t block, const uint64_t fileSize);
+bool image_isHashBlockComplete(atomic_uint_least8_t * const cacheMap, const uint64_t block, const uint64_t fileSize);
 
 void image_updateCachemap(dnbd3_image_t *image, uint64_t start, uint64_t end, const bool set);
 
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