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Commit 9671c6f8 authored by Park Ju Hyung's avatar Park Ju Hyung Committed by Razziell
Browse files

f2fs: queue rapid GC on system_power_efficient_wq 



Handle this asynchronously to avoid wake-up delay.
Use system_power_efficient_wq since this is not CPU intensive.

Change-Id: I6d8e7b47ed52195300301177a4c586d64689377c
Signed-off-by: default avatarPark Ju Hyung <qkrwngud825@gmail.com>
Signed-off-by: default avatarAlbert I <krascgq@outlook.co.id>
parent 3ead342f

fs/f2fs/gc.c

+19 −8
Original line number Diff line number Diff line
@@ -261,6 +261,22 @@ void f2fs_sbi_list_del(struct f2fs_sb_info *sbi) 
	mutex_unlock(&f2fs_sbi_mutex);

}



static struct work_struct f2fs_gc_fb_worker;

static void f2fs_gc_fb_work(struct work_struct *work)

{

	if (screen_on) {

		stop_all_gc_threads();

	} else {

		/*

		 * Start all GC threads exclusively from here

		 * since the phone screen would turn on when

		 * a charger is connected

		 */

		if (TRIGGER_SOFF)

			start_all_gc_threads();

	}

}



static int fb_notifier_callback(struct notifier_block *self,

				unsigned long event, void *data)

{
@@ -273,17 +289,11 @@ static int fb_notifier_callback(struct notifier_block *self, 
		switch (*blank) {

		case FB_BLANK_POWERDOWN:

			screen_on = false;

			/*

			 * Start all GC threads exclusively from here

			 * since the phone screen would turn on when

			 * a charger is connected

			 */

			if (TRIGGER_SOFF)

				start_all_gc_threads();

			queue_work(system_power_efficient_wq, &f2fs_gc_fb_worker);

			break;

		case FB_BLANK_UNBLANK:

			screen_on = true;

			stop_all_gc_threads();

			queue_work(system_power_efficient_wq, &f2fs_gc_fb_worker);

			break;

		}

	}
@@ -297,6 +307,7 @@ static struct notifier_block fb_notifier_block = { 


static int __init f2fs_gc_register_fb(void)

{

	INIT_WORK(&f2fs_gc_fb_worker, f2fs_gc_fb_work);

	fb_register_client(&fb_notifier_block);



	return 0;