Clamp active entries in LRU, not hash map.

This is just a conceptual change, but helps to an extent with the production of a combined disk and memory cache.
wanproxy · Mar 19, 2015 · bea8f6f · bea8f6f
1 parent be1cd44
commit bea8f6f
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/xcodec/xcodec_cache.h b/xcodec/xcodec_cache.h
@@ -144,6 +144,11 @@ class XCodecCacheLRU {
 	~XCodecCacheLRU()
 	{ }
 
+	size_t active(void) const
+	{
+		return (segment_lru_map_.size());
+	}
+
 	uint64_t enter(uint64_t hash)
 	{
 		uint64_t counter = ++segment_lru_counter_;
@@ -252,7 +257,7 @@ class XCodecMemoryCache : public XCodecCache {
 	void enter(const uint64_t& hash, BufferSegment *seg)
 	{
 		if (memory_cache_limit_ != 0 &&
-		    segment_hash_map_.size() == memory_cache_limit_) {
+		    segment_lru_.active() == memory_cache_limit_) {
 			/*
 			 * Find the oldest hash.
 			 */