From 822769cf9509ebca9968ebd29a983271b24b1625 Mon Sep 17 00:00:00 2001
From: Lixiaokeng <lixiaokeng@huawei.com>
Date: Tue, 23 Nov 2021 21:16:19 +0800
Subject: [PATCH 10/15] bugfix flush and sync before reboot

---
 libmultipath/util.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libmultipath/util.c b/libmultipath/util.c
index ea85840..dd32803 100644
--- a/libmultipath/util.c
+++ b/libmultipath/util.c
@@ -368,6 +368,13 @@ int safe_write(int fd, const void *buf, size_t count)
 		count -= r;
 		buf = (const char *)buf + r;
 	}
+
+	/* sync->disk */
+	if (fsync(fd) < 0) {
+		condlog(0, "failed to fsync fd :%d", fd);
+		return -errno;
+	}
+
 	return 0;
 }
 
-- 
1.8.3.1