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authorHarry Pan <harry.pan@intel.com>2019-02-25 13:36:41 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-04-02 10:53:19 +0200
commitb5dee3130bb4014511f5d0dd46855ed843e3fdc8 (patch)
treed9abfcf2fc0743aa3283653c27655fee6b4f5487 /kernel/power/suspend.c
parentPM / wakeup: Use pm_pr_dbg() instead of pr_debug() (diff)
downloadlinux-b5dee3130bb4014511f5d0dd46855ed843e3fdc8.tar.xz
linux-b5dee3130bb4014511f5d0dd46855ed843e3fdc8.zip
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>
Diffstat (limited to 'kernel/power/suspend.c')
-rw-r--r--kernel/power/suspend.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 0bd595a0b610..e39059dea38b 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -17,7 +17,6 @@
#include <linux/console.h>
#include <linux/cpu.h>
#include <linux/cpuidle.h>
-#include <linux/syscalls.h>
#include <linux/gfp.h>
#include <linux/io.h>
#include <linux/kernel.h>
@@ -568,13 +567,11 @@ static int enter_state(suspend_state_t state)
if (state == PM_SUSPEND_TO_IDLE)
s2idle_begin();
-#ifndef CONFIG_SUSPEND_SKIP_SYNC
- trace_suspend_resume(TPS("sync_filesystems"), 0, true);
- pr_info("Syncing filesystems ... ");
- ksys_sync();
- pr_cont("done.\n");
- trace_suspend_resume(TPS("sync_filesystems"), 0, false);
-#endif
+ if (!IS_ENABLED(CONFIG_SUSPEND_SKIP_SYNC)) {
+ trace_suspend_resume(TPS("sync_filesystems"), 0, true);
+ ksys_sync_helper();
+ trace_suspend_resume(TPS("sync_filesystems"), 0, false);
+ }
pm_pr_dbg("Preparing system for sleep (%s)\n", mem_sleep_labels[state]);
pm_suspend_clear_flags();