115 static void do_acct_process(struct bsd_acct_struct *acct);
120 static int check_free_space(struct bsd_acct_struct *acct)  in check_free_space()  argument
124 	if (time_is_after_jiffies(acct->needcheck))  in check_free_space()
128 	if (vfs_statfs(&acct->file->f_path, &sbuf))  in check_free_space()
131 	if (acct->active) {  in check_free_space()
135 			acct->active = 0;  in check_free_space()
142 			acct->active = 1;  in check_free_space()
147 	acct->needcheck = jiffies + ACCT_TIMEOUT*HZ;  in check_free_space()
149 	return acct->active;  in check_free_space()
191 	struct bsd_acct_struct *acct = to_acct(pin);  in acct_pin_kill()  local
192 	mutex_lock(&acct->lock);  in acct_pin_kill()
193 	do_acct_process(acct);  in acct_pin_kill()
194 	schedule_work(&acct->work);  in acct_pin_kill()
195 	wait_for_completion(&acct->done);  in acct_pin_kill()
196 	cmpxchg(&acct->ns->bacct, pin, NULL);  in acct_pin_kill()
197 	mutex_unlock(&acct->lock);  in acct_pin_kill()
199 	acct_put(acct);  in acct_pin_kill()
204 	struct bsd_acct_struct *acct = container_of(work, struct bsd_acct_struct, work);  in close_work()  local
205 	struct file *file = acct->file;  in close_work()
209 	complete(&acct->done);  in close_work()
217 	struct bsd_acct_struct *acct;  in acct_on()  local
221 	acct = kzalloc(sizeof(struct bsd_acct_struct), GFP_KERNEL);  in acct_on()
222 	if (!acct)  in acct_on()
228 		kfree(acct);  in acct_on()
233 		kfree(acct);  in acct_on()
239 		kfree(acct);  in acct_on()
245 		kfree(acct);  in acct_on()
252 		kfree(acct);  in acct_on()
259 	atomic_long_set(&acct->count, 1);  in acct_on()
260 	init_fs_pin(&acct->pin, acct_pin_kill);  in acct_on()
261 	acct->file = file;  in acct_on()
262 	acct->needcheck = jiffies;  in acct_on()
263 	acct->ns = ns;  in acct_on()
264 	mutex_init(&acct->lock);  in acct_on()
265 	INIT_WORK(&acct->work, close_work);  in acct_on()
266 	init_completion(&acct->done);  in acct_on()
267 	mutex_lock_nested(&acct->lock, 1);	/* nobody has seen it yet */  in acct_on()
268 	pin_insert(&acct->pin, mnt);  in acct_on()
271 	old = xchg(&ns->bacct, &acct->pin);  in acct_on()
272 	mutex_unlock(&acct->lock);  in acct_on()
292 SYSCALL_DEFINE1(acct, const char __user *, name)  in SYSCALL_DEFINE1()  argument
492 static void do_acct_process(struct bsd_acct_struct *acct)  in do_acct_process()  argument
497 	struct file *file = acct->file;  in do_acct_process()
511 	if (!check_free_space(acct))  in do_acct_process()
524 		struct pid_namespace *ns = acct->ns;  in do_acct_process()
596 		struct bsd_acct_struct *acct = acct_get(ns);  in slow_acct_process()  local
597 		if (acct) {  in slow_acct_process()
598 			do_acct_process(acct);  in slow_acct_process()
599 			mutex_unlock(&acct->lock);  in slow_acct_process()
600 			acct_put(acct);  in slow_acct_process()