diff options
Diffstat (limited to 'kernel/power/suspend.c')
| -rw-r--r-- | kernel/power/suspend.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 8eaec4ab121d..76b141b9aac0 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -30,6 +30,7 @@ #include <trace/events/power.h> #include <linux/compiler.h> #include <linux/moduleparam.h> +#include <linux/fs.h> #include "power.h" @@ -374,6 +375,8 @@ static int suspend_prepare(suspend_state_t state) if (error) goto Restore; + if (filesystem_freeze_enabled) + filesystems_freeze(); trace_suspend_resume(TPS("freeze_processes"), 0, true); error = suspend_freeze_processes(); trace_suspend_resume(TPS("freeze_processes"), 0, false); @@ -550,6 +553,7 @@ int suspend_devices_and_enter(suspend_state_t state) static void suspend_finish(void) { suspend_thaw_processes(); + filesystems_thaw(); pm_notifier_call_chain(PM_POST_SUSPEND); pm_restore_console(); } @@ -588,6 +592,8 @@ static int enter_state(suspend_state_t state) ksys_sync_helper(); trace_suspend_resume(TPS("sync_filesystems"), 0, false); } + if (filesystem_freeze_enabled) + filesystems_freeze(); pm_pr_dbg("Preparing system for sleep (%s)\n", mem_sleep_labels[state]); pm_suspend_clear_flags(); @@ -609,6 +615,7 @@ static int enter_state(suspend_state_t state) pm_pr_dbg("Finishing wakeup.\n"); suspend_finish(); Unlock: + filesystems_thaw(); mutex_unlock(&system_transition_mutex); return error; } |