From 124b26d72fc6359d77c872b93c39027b6c504fef Mon Sep 17 00:00:00 2001
From: Mykola F <37578614+mykolaf@users.noreply.github.com>
Date: Tue, 17 Sep 2019 19:38:30 +0300
Subject: [PATCH] [Mellanox] platform_reboot - sync & umount fs before power
 cycle (#3430)

Signed-off-by: Mykola Faryma <mykolaf@mellanox.com>
---
 .../mellanox/x86_64-mlnx_msn2700-r0/platform_reboot | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/platform_reboot b/device/mellanox/x86_64-mlnx_msn2700-r0/platform_reboot
index d310210497..28c5aedc4e 100755
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/platform_reboot
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/platform_reboot
@@ -19,6 +19,14 @@ function ParseArguments() {
     done
 }
 
+function SafePwrCycle() {
+    sync ; sync
+    umount -fa > /dev/null 2&>1
+    echo 1 > $SYSFS_PWR_CYCLE
+    sleep 3
+    echo 0 > $SYSFS_PWR_CYCLE
+}
+
 ParseArguments "$@"
 
 ${FW_UPGRADE_SCRIPT} --upgrade --verbose
@@ -32,7 +40,4 @@ if [[ "${EXIT_CODE}" != "${EXIT_SUCCESS}" ]]; then
     fi
 fi
 
-# perform "hardware" reboot
-echo 1 > $SYSFS_PWR_CYCLE
-sleep 3
-echo 0 > $SYSFS_PWR_CYCLE
+SafePwrCycle