27 void jffs2_garbage_collect_trigger(struct jffs2_sb_info *c)  in jffs2_garbage_collect_trigger()  argument
29 	assert_spin_locked(&c->erase_completion_lock);  in jffs2_garbage_collect_trigger()
30 	if (c->gc_task && jffs2_thread_should_wake(c))  in jffs2_garbage_collect_trigger()
31 		send_sig(SIGHUP, c->gc_task, 1);  in jffs2_garbage_collect_trigger()
35 int jffs2_start_garbage_collect_thread(struct jffs2_sb_info *c)  in jffs2_start_garbage_collect_thread()  argument
40 	BUG_ON(c->gc_task);  in jffs2_start_garbage_collect_thread()
42 	init_completion(&c->gc_thread_start);  in jffs2_start_garbage_collect_thread()
43 	init_completion(&c->gc_thread_exit);  in jffs2_start_garbage_collect_thread()
45 	tsk = kthread_run(jffs2_garbage_collect_thread, c, "jffs2_gcd_mtd%d", c->mtd->index);  in jffs2_start_garbage_collect_thread()
49 		complete(&c->gc_thread_exit);  in jffs2_start_garbage_collect_thread()
54 		wait_for_completion(&c->gc_thread_start);  in jffs2_start_garbage_collect_thread()
61 void jffs2_stop_garbage_collect_thread(struct jffs2_sb_info *c)  in jffs2_stop_garbage_collect_thread()  argument
64 	spin_lock(&c->erase_completion_lock);  in jffs2_stop_garbage_collect_thread()
65 	if (c->gc_task) {  in jffs2_stop_garbage_collect_thread()
66 		jffs2_dbg(1, "Killing GC task %d\n", c->gc_task->pid);  in jffs2_stop_garbage_collect_thread()
67 		send_sig(SIGKILL, c->gc_task, 1);  in jffs2_stop_garbage_collect_thread()
70 	spin_unlock(&c->erase_completion_lock);  in jffs2_stop_garbage_collect_thread()
72 		wait_for_completion(&c->gc_thread_exit);  in jffs2_stop_garbage_collect_thread()
77 	struct jffs2_sb_info *c = _c;  in jffs2_garbage_collect_thread()  local
86 	c->gc_task = current;  in jffs2_garbage_collect_thread()
87 	complete(&c->gc_thread_start);  in jffs2_garbage_collect_thread()
95 		spin_lock(&c->erase_completion_lock);  in jffs2_garbage_collect_thread()
96 		if (!jffs2_thread_should_wake(c)) {  in jffs2_garbage_collect_thread()
98 			spin_unlock(&c->erase_completion_lock);  in jffs2_garbage_collect_thread()
102 			spin_unlock(&c->erase_completion_lock);  in jffs2_garbage_collect_thread()
158 		if (jffs2_garbage_collect_pass(c) == -ENOSPC) {  in jffs2_garbage_collect_thread()
164 	spin_lock(&c->erase_completion_lock);  in jffs2_garbage_collect_thread()
165 	c->gc_task = NULL;  in jffs2_garbage_collect_thread()
166 	spin_unlock(&c->erase_completion_lock);  in jffs2_garbage_collect_thread()
167 	complete_and_exit(&c->gc_thread_exit, 0);  in jffs2_garbage_collect_thread()