fs/f2fs/gc.c

34 	struct f2fs_gc_kthread *gc_th = sbi->gc_thread;
43 	wait_ms = gc_th->min_sleep_time;
52 				gc_th->gc_wake,
59 		if (gc_th->gc_wake)
60 			gc_th->gc_wake = false;
70 			increase_sleep_time(gc_th, &wait_ms);
99 			wait_ms = gc_th->urgent_sleep_time;
113 			increase_sleep_time(gc_th, &wait_ms);
120 			decrease_sleep_time(gc_th, &wait_ms);
122 			increase_sleep_time(gc_th, &wait_ms);
141 				wait_ms = gc_th->no_gc_sleep_time;
144 			if (wait_ms == gc_th->no_gc_sleep_time)
145 				wait_ms = gc_th->min_sleep_time;
149 			wake_up_all(&gc_th->fggc_wq);
174 	struct f2fs_gc_kthread *gc_th;
177 	gc_th = f2fs_kmalloc(sbi, sizeof(struct f2fs_gc_kthread), GFP_KERNEL);
178 	if (!gc_th)
181 	gc_th->urgent_sleep_time = DEF_GC_THREAD_URGENT_SLEEP_TIME;
182 	gc_th->min_sleep_time = DEF_GC_THREAD_MIN_SLEEP_TIME;
183 	gc_th->max_sleep_time = DEF_GC_THREAD_MAX_SLEEP_TIME;
184 	gc_th->no_gc_sleep_time = DEF_GC_THREAD_NOGC_SLEEP_TIME;
186 	gc_th->gc_wake = false;
188 	sbi->gc_thread = gc_th;
193 	if (IS_ERR(gc_th->f2fs_gc_task)) {
194 		int err = PTR_ERR(gc_th->f2fs_gc_task);
196 		kfree(gc_th);
206 	struct f2fs_gc_kthread *gc_th = sbi->gc_thread;
208 	if (!gc_th)
210 	kthread_stop(gc_th->f2fs_gc_task);
211 	wake_up_all(&gc_th->fggc_wq);
212 	kfree(gc_th);