florian 220fb0aa58 [packages] new package uboot-env-mmc: hacked in support for reading/writing an uboot environment from/to none-flash devices
Signed-off-by: Michael Heimpold <mhei@heimpold.de>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@35271 3c298f89-4303-0410-b956-a3cf2f4a3e73
2013-01-21 15:27:41 +00:00

37 lines
898 B
Diff

From 9ef3d800d08dd673ccb5b7a12a69e94394cf2167 Mon Sep 17 00:00:00 2001
From: Michael Heimpold <mhei@heimpold.de>
Date: Sat, 11 Aug 2012 21:33:46 +0200
Subject: [PATCH] Ensure that data is written to disk
---
fw_env.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/fw_env.c b/fw_env.c
index bed8fae..ee15f33 100644
--- a/fw_env.c
+++ b/fw_env.c
@@ -849,7 +849,19 @@ static int flash_io (int mode)
rc = flash_write (fd_current, fd_target, dev_target);
+ if (fsync (fd_current)) {
+ fprintf (stderr,
+ "fsync failed on %s: %s\n",
+ DEVNAME (dev_current), strerror (errno));
+ }
+
if (HaveRedundEnv) {
+ if (fsync (fd_target)) {
+ fprintf (stderr,
+ "fsync failed on %s: %s\n",
+ DEVNAME (dev_current), strerror (errno));
+ }
+
if (close (fd_target)) {
fprintf (stderr,
"I/O error on %s: %s\n",
--
1.7.2.5