Fix unavailability to free memory in cache

src/module_threads.c

@@ -119,11 +119,14 @@ int snap_cow_thread(void *data)
                                 cow_free_members(dev->sd_cow);
                 }
 
+#if defined USE_BDOPS_SUBMIT_BIO && defined HAVE_FOPS_FALLOCATE
+//not having it for .deb causes infinite loop and failure, having this for rpms causes objdump caused by not being able to save cached data during unmounting
                 int should_stop=kthread_should_stop();
                 if(should_stop){
-                        LOG_DEBUG("stopping snap thread in if");
+                        LOG_DEBUG("stopping snap thread in conditional");
                         break;
                 }
+#endif
 
                 if (bio_queue_empty(bq))
                         continue;