diff options
| author | Harry Pan <harry.pan@intel.com> | 2019-02-25 20:36:41 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-04-02 10:53:19 +0200 |
| commit | b5dee3130bb4014511f5d0dd46855ed843e3fdc8 (patch) | |
| tree | d9abfcf2fc0743aa3283653c27655fee6b4f5487 /kernel/power/suspend.c | |
| parent | 74a1dd86d1739eae2015a3832f62c1d6546893a7 (diff) | |
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.c | 13 |
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(); |