From fa34ced5a5578ec63d02511350f9438aba26f35e Mon Sep 17 00:00:00 2001
From: Benergy Meenan Ravuri <bravuri@codeaurora.org>
Date: Mon, 12 Jul 2021 23:27:12 +0530
Subject: [PATCH] sm8350-common: gpt-utils: Do fsync after writing partition
 entries

Do fsync after writing partition entries to ensure data
is actually written before rebooting device.

Change-Id: I09659cab247fe280dc608e30a88d912034cbc01a
---
 gpt-utils/gpt-utils.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gpt-utils/gpt-utils.cpp b/gpt-utils/gpt-utils.cpp
index 58fc93a..7c3a9bb 100644
--- a/gpt-utils/gpt-utils.cpp
+++ b/gpt-utils/gpt-utils.cpp
@@ -1478,7 +1478,7 @@ int gpt_disk_commit(struct gpt_disk *disk)
                 ALOGE("%s: Invalid args", __func__);
                 goto error;
         }
-        fd = open(disk->devpath, O_RDWR);
+        fd = open(disk->devpath, O_RDWR | O_DSYNC);
         if (fd < 0) {
                 ALOGE("%s: Failed to open %s: %s",
                                 __func__,
@@ -1510,6 +1510,7 @@ int gpt_disk_commit(struct gpt_disk *disk)
                                 __func__);
                 goto error;
         }
+        fsync(fd);
         close(fd);
         return 0;
 error: