From b5dee3130bb4014511f5d0dd46855ed843e3fdc8 Mon Sep 17 00:00:00 2001
From: Harry Pan <harry.pan@intel.com>
Date: Mon, 25 Feb 2019 20:36:41 +0800
Subject: PM / sleep: Refactor filesystems sync to reduce duplication

Create a common helper to sync filesystems for system suspend and
hibernation.

Signed-off-by: Harry Pan <harry.pan@intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 kernel/power/main.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'kernel/power/main.c')

diff --git a/kernel/power/main.c b/kernel/power/main.c
index 98e76cad128b..40472a7c5536 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -16,6 +16,7 @@
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/suspend.h>
+#include <linux/syscalls.h>
 
 #include "power.h"
 
@@ -51,6 +52,14 @@ void unlock_system_sleep(void)
 }
 EXPORT_SYMBOL_GPL(unlock_system_sleep);
 
+void ksys_sync_helper(void)
+{
+	pr_info("Syncing filesystems ... ");
+	ksys_sync();
+	pr_cont("done.\n");
+}
+EXPORT_SYMBOL_GPL(ksys_sync_helper);
+
 /* Routines for PM-transition notifications */
 
 static BLOCKING_NOTIFIER_HEAD(pm_chain_head);
-- 
cgit v1.2.3