96 static void do_acct_process(struct bsd_acct_struct *acct);
101 static int check_free_space(struct bsd_acct_struct *acct)  in check_free_space()  argument
105 	if (time_is_after_jiffies(acct->needcheck))  in check_free_space()
109 	if (vfs_statfs(&acct->file->f_path, &sbuf))  in check_free_space()
112 	if (acct->active) {  in check_free_space()
116 			acct->active = 0;  in check_free_space()
123 			acct->active = 1;  in check_free_space()
128 	acct->needcheck = jiffies + ACCT_TIMEOUT*HZ;  in check_free_space()
130 	return acct->active;  in check_free_space()
172 	struct bsd_acct_struct *acct = to_acct(pin);  in acct_pin_kill()  local
173 	mutex_lock(&acct->lock);  in acct_pin_kill()
174 	do_acct_process(acct);  in acct_pin_kill()
175 	schedule_work(&acct->work);  in acct_pin_kill()
176 	wait_for_completion(&acct->done);  in acct_pin_kill()
177 	cmpxchg(&acct->ns->bacct, pin, NULL);  in acct_pin_kill()
178 	mutex_unlock(&acct->lock);  in acct_pin_kill()
180 	acct_put(acct);  in acct_pin_kill()
185 	struct bsd_acct_struct *acct = container_of(work, struct bsd_acct_struct, work);  in close_work()  local
186 	struct file *file = acct->file;  in close_work()
190 	complete(&acct->done);  in close_work()
198 	struct bsd_acct_struct *acct;  in acct_on()  local
202 	acct = kzalloc(sizeof(struct bsd_acct_struct), GFP_KERNEL);  in acct_on()
203 	if (!acct)  in acct_on()
209 		kfree(acct);  in acct_on()
214 		kfree(acct);  in acct_on()
220 		kfree(acct);  in acct_on()
226 		kfree(acct);  in acct_on()
233 		kfree(acct);  in acct_on()
240 	atomic_long_set(&acct->count, 1);  in acct_on()
241 	init_fs_pin(&acct->pin, acct_pin_kill);  in acct_on()
242 	acct->file = file;  in acct_on()
243 	acct->needcheck = jiffies;  in acct_on()
244 	acct->ns = ns;  in acct_on()
245 	mutex_init(&acct->lock);  in acct_on()
246 	INIT_WORK(&acct->work, close_work);  in acct_on()
247 	init_completion(&acct->done);  in acct_on()
248 	mutex_lock_nested(&acct->lock, 1);	/* nobody has seen it yet */  in acct_on()
249 	pin_insert(&acct->pin, mnt);  in acct_on()
252 	old = xchg(&ns->bacct, &acct->pin);  in acct_on()
253 	mutex_unlock(&acct->lock);  in acct_on()
273 SYSCALL_DEFINE1(acct, const char __user *, name)  in SYSCALL_DEFINE1()  argument
471 static void do_acct_process(struct bsd_acct_struct *acct)  in do_acct_process()  argument
476 	struct file *file = acct->file;  in do_acct_process()
490 	if (!check_free_space(acct))  in do_acct_process()
504 		struct pid_namespace *ns = acct->ns;  in do_acct_process()
577 		struct bsd_acct_struct *acct = acct_get(ns);  in slow_acct_process()  local
578 		if (acct) {  in slow_acct_process()
579 			do_acct_process(acct);  in slow_acct_process()
580 			mutex_unlock(&acct->lock);  in slow_acct_process()
581 			acct_put(acct);  in slow_acct_process()