From abd8b930fad1d433269c45be1600a177448ea555 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Fri, 31 Jul 2020 17:54:21 +0800
Subject: [PATCH] [td-225]

---
 src/util/src/hash.c       | 50 +++++++++++++++++++--------------------
 src/util/src/tcache.c     |  2 +-
 src/vnode/src/vnodeRead.c |  4 ++--
 3 files changed, 28 insertions(+), 28 deletions(-)

diff --git a/src/util/src/hash.c b/src/util/src/hash.c
index 5db9d26d04..171c8ec100 100644
--- a/src/util/src/hash.c
+++ b/src/util/src/hash.c
@@ -21,6 +21,12 @@
 
 #define HASH_NEED_RESIZE(_h)  ((_h)->size >= (_h)->capacity * HASH_DEFAULT_LOAD_FACTOR)
 
+#define FREE_HASH_NODE(_n) \
+  do {                     \
+    tfree((_n)->data);     \
+    tfree(_n);             \
+  } while (0)
+
 static FORCE_INLINE void __wr_lock(void *lock, int32_t type) {
   if (type == HASH_NO_LOCK) {
     return;
@@ -258,9 +264,7 @@ int32_t taosHashPut(SHashObj *pHashObj, const void *key, size_t keyLen, void *da
     // enable resize
     __rd_unlock(&pHashObj->lock, pHashObj->type);
 
-    tfree(pNewNode->data)
-    tfree(pNewNode);
-
+    FREE_HASH_NODE(pNewNode);
     return pHashObj->enableUpdate? 0:-1;
   }
 }
@@ -273,7 +277,7 @@ void *taosHashGet(SHashObj *pHashObj, const void *key, size_t keyLen) {
   uint32_t hashVal = (*pHashObj->hashFp)(key, keyLen);
 
   // only add the read lock to disable the resize process
-    __rd_lock(&pHashObj->lock, pHashObj->type);
+  __rd_lock(&pHashObj->lock, pHashObj->type);
 
   SHashNode *pNode = doGetNodeFromHashTable(pHashObj, key, keyLen, hashVal);
 
@@ -291,6 +295,18 @@ int32_t taosHashRemove(SHashObj *pHashObj, const void *key, size_t keyLen) {
   return taosHashRemoveNode(pHashObj, key, keyLen, NULL, 0);
 }
 
+static FORCE_INLINE void popNodeFromEntryList(SHashEntry* pe, SHashNode* pNode) {
+  SHashNode* pNext = pNode->next;
+
+  assert(pNode->prev != NULL);
+  pNode->prev->next = pNext;
+  if (pNext != NULL) {
+    pNext->prev = pNode->prev;
+  }
+
+  pe->num -= 1;
+}
+
 int32_t taosHashRemoveNode(SHashObj *pHashObj, const void *key, size_t keyLen, void* data, size_t dsize) {
   if (pHashObj->size <= 0) {
     return -1;
@@ -316,16 +332,7 @@ int32_t taosHashRemoveNode(SHashObj *pHashObj, const void *key, size_t keyLen, v
 
   SHashNode* pNode = doSearchEntryList(pe, key, keyLen, hashVal);
   if (pNode != NULL) {
-    assert(pNode->prev != NULL);
-
-    SHashNode *pNext = pNode->next;
-    pNode->prev->next = pNext;
-
-    if (pNext != NULL) {
-      pNext->prev = pNode->prev;
-    }
-
-    pe->num -= 1;
+    popNodeFromEntryList(pe, pNode);
   }
 
   if (pHashObj->type == HASH_ENTRY_LOCK) {
@@ -344,8 +351,7 @@ int32_t taosHashRemoveNode(SHashObj *pHashObj, const void *key, size_t keyLen, v
     pNode->next = NULL;
     pNode->prev = NULL;
 
-    tfree(pNode->data);
-    tfree(pNode);
+    FREE_HASH_NODE(pNode);
 
     return 0;
   } else {
@@ -540,22 +546,16 @@ void taosHashTableResize(SHashObj *pHashObj) {
       int32_t j = HASH_INDEX(pNode->hashVal, pHashObj->capacity);
       if (j == i) {  // this key locates in the same slot, no need to relocate it
         pNode = pNode->next;
-        assert(pNode == NULL || pNode->next != pNode);
       } else {
         pNext = pNode->next;
         assert(pNode != pNext && (pNext == NULL || pNext->prev == pNode) && pNode->prev->next == pNode);
 
-        assert(pNode->prev != NULL);
-        pNode->prev->next = pNext;
-        if (pNext != NULL) {
-          pNext->prev = pNode->prev;
-        }
-        
+        popNodeFromEntryList(pe, pNode);
+
         // clear pointer
         pNode->next = NULL;
         pNode->prev = NULL;
-        pe->num -= 1;
-        
+
         // added into new slot
         SHashEntry *pNewEntry = pHashObj->hashList[j];
         pushfrontNode(pNewEntry, pNode);
diff --git a/src/util/src/tcache.c b/src/util/src/tcache.c
index 9f6f0f77ec..f8711828d1 100644
--- a/src/util/src/tcache.c
+++ b/src/util/src/tcache.c
@@ -653,7 +653,7 @@ static void doCacheRefresh(SCacheObj* pCacheObj, int64_t time, __cache_free_fn_t
     SCacheDataNode *pNode = *(SCacheDataNode **)taosHashIterGet(pIter);
 
     if (pNode->expireTime < time && T_REF_VAL_GET(pNode) <= 0) {
-//      taosCacheReleaseNode(pCacheObj, pNode);
+      taosCacheReleaseNode(pCacheObj, pNode);
       continue;
     }
 
diff --git a/src/vnode/src/vnodeRead.c b/src/vnode/src/vnodeRead.c
index 3c642b5098..9b16cce66c 100644
--- a/src/vnode/src/vnodeRead.c
+++ b/src/vnode/src/vnodeRead.c
@@ -213,7 +213,7 @@ static int32_t vnodeProcessQueryMsg(SVnodeObj *pVnode, SReadMsg *pReadMsg) {
         }
       }
 
-      qReleaseQInfo(pVnode->qMgmt, (void**) &handle, freehandle);
+      qReleaseQInfo(pVnode->qMgmt, (void**) &handle, false);
     }
   }
 
@@ -268,7 +268,7 @@ static int32_t vnodeProcessFetchMsg(SVnodeObj *pVnode, SReadMsg *pReadMsg) {
     code = vnodeDumpQueryResult(pRet, pVnode, *handle, &freeHandle);
   }
 
-  qReleaseQInfo(pVnode->qMgmt, (void**) &handle, freeHandle);
+  qReleaseQInfo(pVnode->qMgmt, (void**) &handle, false);
   return code;
 }