32 	struct f2fs_gc_kthread *gc_th = sbi->gc_thread;  in gc_thread_func()  local
37 	wait_ms = gc_th->min_sleep_time;  in gc_thread_func()
46 				gc_th->gc_wake,  in gc_thread_func()
53 		if (gc_th->gc_wake)  in gc_thread_func()
54 			gc_th->gc_wake = 0;  in gc_thread_func()
64 			increase_sleep_time(gc_th, &wait_ms);  in gc_thread_func()
94 			wait_ms = gc_th->urgent_sleep_time;  in gc_thread_func()
108 			increase_sleep_time(gc_th, &wait_ms);  in gc_thread_func()
115 			decrease_sleep_time(gc_th, &wait_ms);  in gc_thread_func()
117 			increase_sleep_time(gc_th, &wait_ms);  in gc_thread_func()
130 			wait_ms = gc_th->no_gc_sleep_time;  in gc_thread_func()
133 			wake_up_all(&gc_th->fggc_wq);  in gc_thread_func()
149 	struct f2fs_gc_kthread *gc_th;  in f2fs_start_gc_thread()  local
153 	gc_th = f2fs_kmalloc(sbi, sizeof(struct f2fs_gc_kthread), GFP_KERNEL);  in f2fs_start_gc_thread()
154 	if (!gc_th) {  in f2fs_start_gc_thread()
159 	gc_th->urgent_sleep_time = DEF_GC_THREAD_URGENT_SLEEP_TIME;  in f2fs_start_gc_thread()
160 	gc_th->min_sleep_time = DEF_GC_THREAD_MIN_SLEEP_TIME;  in f2fs_start_gc_thread()
161 	gc_th->max_sleep_time = DEF_GC_THREAD_MAX_SLEEP_TIME;  in f2fs_start_gc_thread()
162 	gc_th->no_gc_sleep_time = DEF_GC_THREAD_NOGC_SLEEP_TIME;  in f2fs_start_gc_thread()
164 	gc_th->gc_wake = 0;  in f2fs_start_gc_thread()
166 	sbi->gc_thread = gc_th;  in f2fs_start_gc_thread()
171 	if (IS_ERR(gc_th->f2fs_gc_task)) {  in f2fs_start_gc_thread()
172 		err = PTR_ERR(gc_th->f2fs_gc_task);  in f2fs_start_gc_thread()
173 		kfree(gc_th);  in f2fs_start_gc_thread()
182 	struct f2fs_gc_kthread *gc_th = sbi->gc_thread;  in f2fs_stop_gc_thread()  local
184 	if (!gc_th)  in f2fs_stop_gc_thread()
186 	kthread_stop(gc_th->f2fs_gc_task);  in f2fs_stop_gc_thread()
187 	wake_up_all(&gc_th->fggc_wq);  in f2fs_stop_gc_thread()
188 	kfree(gc_th);  in f2fs_stop_gc_thread()