[Suspend2][ 02/16] [Suspend2] Routines called when starting or finishing anything.

[Nigel Cunningham <nigel@suspend2.net>]

Routines called when starting or completing any action.

Signed-off-by: Nigel Cunningham <nigel@suspend2.net>

 kernel/power/suspend.c |   51 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 51 insertions(+), 0 deletions(-)

diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 28bb91c..01c930a 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -180,3 +180,54 @@ extern int block_dump;
 
 int block_dump_save;
 
+/*
+ * Basic clean-up routine.
+ */
+void suspend_finish_anything(int finishing_cycle)
+{
+	if (atomic_dec_and_test(&actions_running)) {
+		suspend_cleanup_modules(finishing_cycle);
+		suspend_put_modules();
+		clear_suspend_state(SUSPEND_RUNNING);
+	}
+
+	set_fs(oldfs);
+
+	if (finishing_cycle)
+		block_dump = block_dump_save;
+}
+
+/*
+ * Basic set-up routine.
+ */
+int suspend_start_anything(int starting_cycle)
+{
+	oldfs = get_fs();
+
+	if (atomic_add_return(1, &actions_running) == 1) {
+       		set_fs(KERNEL_DS);
+
+		set_suspend_state(SUSPEND_RUNNING);
+
+		if (suspend_get_modules()) {
+			printk("Get modules failed!\n");
+			clear_suspend_state(SUSPEND_RUNNING);
+			set_fs(oldfs);
+			return -EBUSY;
+		}
+
+		if (suspend_initialise_modules(starting_cycle)) {
+			printk("Initialise modules failed!\n");
+			suspend_finish_anything(starting_cycle);
+			return -EBUSY;
+		}
+
+		if (starting_cycle) {
+			block_dump_save = block_dump;
+			block_dump = 0;
+		}
+	}
+
+	return 0;
+}
+

--
Nigel Cunningham		nigel at suspend2 dot net