bad data on RESTORE can no longer crash the server but create a memory leak with...

[redis.git] / src / object.c

diff --git a/src/object.c b/src/object.c
index 4374a07c1562b5f4a186b8fd2d7cc94870896f73..e6b02da8ea5747f42708d83f0381b65b98e8aa0e 100644 (file)
--- a/src/object.c
+++ b/src/object.c
@@ -21,7 +21,6 @@ robj *createObject(int type, void *ptr) {
     /* The following is only needed if VM is active, but since the conditional
      * is probably more costly than initializing the field it's better to
      * have every field properly initialized anyway. */
-    o->storage = REDIS_DS_MEMORY;
     return o;
 }
 
@@ -32,6 +31,7 @@ robj *createStringObject(char *ptr, size_t len) {
 robj *createStringObjectFromLongLong(long long value) {
     robj *o;
     if (value >= 0 && value < REDIS_SHARED_INTEGERS &&
+        !server.ds_enabled &&
         pthread_equal(pthread_self(),server.mainthread)) {
         incrRefCount(shared.integers[value]);
         o = shared.integers[value];
@@ -162,9 +162,6 @@ void decrRefCount(void *obj) {
 
     if (o->refcount <= 0) redisPanic("decrRefCount against refcount <= 0");
     if (--(o->refcount) == 0) {
-        /* DS_SAVING objects should always have a reference in the
-         * IO Job structure. So we should never reach this state. */
-        redisAssert(o->storage != REDIS_DS_SAVING);
         switch(o->type) {
         case REDIS_STRING: freeStringObject(o); break;
         case REDIS_LIST: freeListObject(o); break;
@@ -208,16 +205,16 @@ robj *tryObjectEncoding(robj *o) {
     /* Ok, this object can be encoded...
      *
      * Can I use a shared object? Only if the object is inside a given
-     * range and if this is the main thread, since when VM is enabled we
-     * have the constraint that I/O thread should only handle non-shared
-     * objects, in order to avoid race conditions (we don't have per-object
-     * locking).
+     * range and if the back end in use is in-memory. For disk store every
+     * object in memory used as value should be independent.
      *
      * Note that we also avoid using shared integers when maxmemory is used
-     * because very object needs to have a private LRU field for the LRU
+     * because every object needs to have a private LRU field for the LRU
      * algorithm to work well. */
-    if (server.maxmemory == 0 && value >= 0 && value < REDIS_SHARED_INTEGERS &&
-        pthread_equal(pthread_self(),server.mainthread)) {
+    if (!server.ds_enabled &&
+        server.maxmemory == 0 && value >= 0 && value < REDIS_SHARED_INTEGERS &&
+        pthread_equal(pthread_self(),server.mainthread))
+    {
         decrRefCount(o);
         incrRefCount(shared.integers[value]);
         return shared.integers[value];