From ba76a8f901258bc13812072dc4065b88f2e2d4d0 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Tue, 2 Mar 2010 00:52:50 +0100
Subject: [PATCH] Fixed a subtle VM bug... was not flushing the buffer so the
 child process read truncated data

---
 redis.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/redis.c b/redis.c
index c10fb03a..8273cd12 100644
--- a/redis.c
+++ b/redis.c
@@ -7416,6 +7416,7 @@ static int vmWriteObjectOnSwap(robj *o, off_t page) {
         return REDIS_ERR;
     }
     rdbSaveObject(server.vm_fp,o);
+    fflush(server.vm_fp);
     if (server.vm_enabled) pthread_mutex_unlock(&server.io_swapfile_mutex);
     return REDIS_OK;
 }
@@ -7443,7 +7444,6 @@ static int vmSwapObjectBlocking(robj *key, robj *val) {
         (unsigned long long) page, (unsigned long long) pages);
     server.vm_stats_swapped_objects++;
     server.vm_stats_swapouts++;
-    fflush(server.vm_fp);
     return REDIS_OK;
 }