Don't check for space for each record when msg4 already did it wholesale

Msg4.cpp

@@ -973,7 +973,7 @@ static bool addMetaList(const char *p, UdpSlot *slot) {
 		rdb->readRequestAdd(recSize);
 
 		// this returns false and sets g_errno on error
-		bool status = rdb->addList(collnum, &list);
+		bool status = rdb->addListNoSpaceCheck(collnum, &list);
 
 		// bad coll #? ignore it. common when deleting and resetting
 		// collections using crawlbot. but there are other recs in this

Rdb.cpp

@@ -1474,9 +1474,10 @@ void attemptMergeAll() {
 	}
 }
 
+
 // . return false and set g_errno on error
 // . TODO: speedup with m_tree.addSortedKeys() already partially written
-bool Rdb::addList(collnum_t collnum , RdbList *list) {
+bool Rdb::addList(collnum_t collnum, RdbList *list, bool checkForRoom) {
 	// pick it
 	if ( collnum < 0 || collnum > getNumBases() || ! getBase(collnum) ) {
 		g_errno = ENOCOLLREC;
@@ -1524,7 +1525,7 @@ bool Rdb::addList(collnum_t collnum , RdbList *list) {
 	// . if we don't have enough room to store list, initiate a dump and
 	//   return g_errno of ETRYAGAIN
 	// . otherwise, we're guaranteed to have room for this list
-	if ( ! hasRoom(list) ) {
+	if( checkForRoom && ! hasRoom(list) ) {
 		// if tree is empty, list will never fit!!!
 		if ( m_useTree && m_tree.getNumUsedNodes() <= 0 ) {
 			g_errno = ELISTTOOBIG;

Rdb.h

@@ -125,7 +125,12 @@ public:
 	// . if we can't handle all records in list we don't add any and
 	//   set errno to ETRYAGAIN or ENOMEM
 	// . we copy all data so you can free your list when we're done
-	bool addList ( collnum_t collnum , RdbList *list);
+	bool addList(collnum_t collnum, RdbList *list) {
+		return addList(collnum,list,true);
+	}
+	bool addListNoSpaceCheck(collnum_t collnum, RdbList *list) {
+		return addList(collnum,list,false);
+	}
 
 	bool isSecondaryRdb() const {
 		return ::isSecondaryRdb((unsigned char)m_rdbId);
@@ -293,6 +298,7 @@ public:
 	static void doneDumpingCollWrapper(void *state);
 
 private:
+	bool addList(collnum_t collnum, RdbList *list, bool checkForRoom);
 	// get the directory name where this rdb stores its files
 	const char *getDir() const { return g_hostdb.m_dir; }