From 879002a08cc9faa1a4e8b167f579650d10e79e21 Mon Sep 17 00:00:00 2001
From: Arian <arian.kulmer@web.de>
Date: Sun, 20 Mar 2022 18:54:23 -0300
Subject: veux: gpt-utils: Do fsync after writing partition entries

Do fsync after writing partition entries to ensure data
is actually written before rebooting device.
---
 gpt-utils/gpt-utils.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'gpt-utils')

diff --git a/gpt-utils/gpt-utils.cpp b/gpt-utils/gpt-utils.cpp
index 58fc93a..1fe955f 100644
--- a/gpt-utils/gpt-utils.cpp
+++ b/gpt-utils/gpt-utils.cpp
@@ -1374,7 +1374,7 @@ int gpt_disk_get_disk_info(const char *dev, struct gpt_disk *dsk)
                                 dev);
                 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__,
@@ -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:
-- 
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