34 	struct f2fs_gc_kthread *gc_th = sbi->gc_thread;  in gc_thread_func()  local
43 	wait_ms = gc_th->min_sleep_time;  in gc_thread_func()
52 				gc_th->gc_wake,  in gc_thread_func()
59 		if (gc_th->gc_wake)  in gc_thread_func()
60 			gc_th->gc_wake = 0;  in gc_thread_func()
70 			increase_sleep_time(gc_th, &wait_ms);  in gc_thread_func()
111 			wait_ms = gc_th->urgent_sleep_time;  in gc_thread_func()
125 			increase_sleep_time(gc_th, &wait_ms);  in gc_thread_func()
132 			decrease_sleep_time(gc_th, &wait_ms);  in gc_thread_func()
134 			increase_sleep_time(gc_th, &wait_ms);  in gc_thread_func()
153 				wait_ms = gc_th->no_gc_sleep_time;  in gc_thread_func()
157 			wake_up_all(&gc_th->fggc_wq);  in gc_thread_func()
173 	struct f2fs_gc_kthread *gc_th;  in f2fs_start_gc_thread()  local
177 	gc_th = f2fs_kmalloc(sbi, sizeof(struct f2fs_gc_kthread), GFP_KERNEL);  in f2fs_start_gc_thread()
178 	if (!gc_th) {  in f2fs_start_gc_thread()
183 	gc_th->urgent_sleep_time = DEF_GC_THREAD_URGENT_SLEEP_TIME;  in f2fs_start_gc_thread()
184 	gc_th->min_sleep_time = DEF_GC_THREAD_MIN_SLEEP_TIME;  in f2fs_start_gc_thread()
185 	gc_th->max_sleep_time = DEF_GC_THREAD_MAX_SLEEP_TIME;  in f2fs_start_gc_thread()
186 	gc_th->no_gc_sleep_time = DEF_GC_THREAD_NOGC_SLEEP_TIME;  in f2fs_start_gc_thread()
188 	gc_th->gc_wake = 0;  in f2fs_start_gc_thread()
190 	sbi->gc_thread = gc_th;  in f2fs_start_gc_thread()
195 	if (IS_ERR(gc_th->f2fs_gc_task)) {  in f2fs_start_gc_thread()
196 		err = PTR_ERR(gc_th->f2fs_gc_task);  in f2fs_start_gc_thread()
197 		kfree(gc_th);  in f2fs_start_gc_thread()
206 	struct f2fs_gc_kthread *gc_th = sbi->gc_thread;  in f2fs_stop_gc_thread()  local
208 	if (!gc_th)  in f2fs_stop_gc_thread()
210 	kthread_stop(gc_th->f2fs_gc_task);  in f2fs_stop_gc_thread()
211 	wake_up_all(&gc_th->fggc_wq);  in f2fs_stop_gc_thread()
212 	kfree(gc_th);  in f2fs_stop_gc_thread()