From 8f6a1dd33c59164070e8d2fb5abbd3e76ef8ac8e Mon Sep 17 00:00:00 2001
From: pcwlno1 <qidechun@huawei.com>
Date: Thu, 22 Jul 2021 09:29:03 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E6=94=B9=E6=9F=90=E4=BA=9B?=
 =?UTF-8?q?=E5=B9=B3=E5=8F=B0=E4=BF=9D=E5=AD=98bbox=E6=97=A5=E5=BF=97?=
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1、在日志写如完成之后执行fsync确保落盘。

Close #I41UTP

Signed-off-by: qidechun <qidechun@huawei.com>
---
 kernel/common/blackbox/los_blackbox_common.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/common/blackbox/los_blackbox_common.c b/kernel/common/blackbox/los_blackbox_common.c
index c7ae0795..813ab8d9 100644
--- a/kernel/common/blackbox/los_blackbox_common.c
+++ b/kernel/common/blackbox/los_blackbox_common.c
@@ -78,6 +78,7 @@ int FullWriteFile(const char *filePath, const char *buf, size_t bufSize, int isA
         totalToWrite -= writeThisTime;
         totalWrite += writeThisTime;
     }
+    (void)fsync(fd);
     (void)close(fd);
 
     return (totalWrite == (int)bufSize) ? 0 : -1;
@@ -124,4 +125,4 @@ bool IsLogPartReady(void)
 {
     return TRUE;
 }
-#endif
\ No newline at end of file
+#endif
-- 
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