diff options
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/hibernate.c | 5 | ||||
| -rw-r--r-- | kernel/power/main.c | 14 | ||||
| -rw-r--r-- | kernel/power/suspend.c | 13 | ||||
| -rw-r--r-- | kernel/power/user.c | 5 |
4 files changed, 21 insertions, 16 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index cfc7a57049e4..c8c272df7154 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -14,7 +14,6 @@ #include <linux/export.h> #include <linux/suspend.h> -#include <linux/syscalls.h> #include <linux/reboot.h> #include <linux/string.h> #include <linux/device.h> @@ -709,9 +708,7 @@ int hibernate(void) goto Exit; } - pr_info("Syncing filesystems ... \n"); - ksys_sync(); - pr_info("done.\n"); + ksys_sync_helper(); error = freeze_processes(); if (error) diff --git a/kernel/power/main.c b/kernel/power/main.c index 98e76cad128b..4f43e724f6eb 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 +52,19 @@ void unlock_system_sleep(void) } EXPORT_SYMBOL_GPL(unlock_system_sleep); +void ksys_sync_helper(void) +{ + ktime_t start; + long elapsed_msecs; + + start = ktime_get(); + ksys_sync(); + elapsed_msecs = ktime_to_ms(ktime_sub(ktime_get(), start)); + pr_info("Filesystems sync: %ld.%03ld seconds\n", + elapsed_msecs / MSEC_PER_SEC, elapsed_msecs % MSEC_PER_SEC); +} +EXPORT_SYMBOL_GPL(ksys_sync_helper); + /* Routines for PM-transition notifications */ static BLOCKING_NOTIFIER_HEAD(pm_chain_head); diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 59b6def23046..ef908c134b34 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(); diff --git a/kernel/power/user.c b/kernel/power/user.c index 2d8b60a3c86b..cb24e840a3e6 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -10,7 +10,6 @@ */ #include <linux/suspend.h> -#include <linux/syscalls.h> #include <linux/reboot.h> #include <linux/string.h> #include <linux/device.h> @@ -228,9 +227,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, if (data->frozen) break; - printk("Syncing filesystems ... "); - ksys_sync(); - printk("done.\n"); + ksys_sync_helper(); error = freeze_processes(); if (error) |