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