93 static void do_acct_process(struct bsd_acct_struct *acct);
98 static int check_free_space(struct bsd_acct_struct *acct)  in check_free_space()  argument
102 	if (time_is_before_jiffies(acct->needcheck))  in check_free_space()
106 	if (vfs_statfs(&acct->file->f_path, &sbuf))  in check_free_space()
109 	if (acct->active) {  in check_free_space()
113 			acct->active = 0;  in check_free_space()
120 			acct->active = 1;  in check_free_space()
125 	acct->needcheck = jiffies + ACCT_TIMEOUT*HZ;  in check_free_space()
127 	return acct->active;  in check_free_space()
169 	struct bsd_acct_struct *acct = to_acct(pin);  in acct_pin_kill()  local
170 	mutex_lock(&acct->lock);  in acct_pin_kill()
171 	do_acct_process(acct);  in acct_pin_kill()
172 	schedule_work(&acct->work);  in acct_pin_kill()
173 	wait_for_completion(&acct->done);  in acct_pin_kill()
174 	cmpxchg(&acct->ns->bacct, pin, NULL);  in acct_pin_kill()
175 	mutex_unlock(&acct->lock);  in acct_pin_kill()
177 	acct_put(acct);  in acct_pin_kill()
182 	struct bsd_acct_struct *acct = container_of(work, struct bsd_acct_struct, work);  in close_work()  local
183 	struct file *file = acct->file;  in close_work()
187 	complete(&acct->done);  in close_work()
195 	struct bsd_acct_struct *acct;  in acct_on()  local
199 	acct = kzalloc(sizeof(struct bsd_acct_struct), GFP_KERNEL);  in acct_on()
200 	if (!acct)  in acct_on()
206 		kfree(acct);  in acct_on()
211 		kfree(acct);  in acct_on()
217 		kfree(acct);  in acct_on()
223 		kfree(acct);  in acct_on()
230 		kfree(acct);  in acct_on()
237 	atomic_long_set(&acct->count, 1);  in acct_on()
238 	init_fs_pin(&acct->pin, acct_pin_kill);  in acct_on()
239 	acct->file = file;  in acct_on()
240 	acct->needcheck = jiffies;  in acct_on()
241 	acct->ns = ns;  in acct_on()
242 	mutex_init(&acct->lock);  in acct_on()
243 	INIT_WORK(&acct->work, close_work);  in acct_on()
244 	init_completion(&acct->done);  in acct_on()
245 	mutex_lock_nested(&acct->lock, 1);	/* nobody has seen it yet */  in acct_on()
246 	pin_insert(&acct->pin, mnt);  in acct_on()
249 	old = xchg(&ns->bacct, &acct->pin);  in acct_on()
250 	mutex_unlock(&acct->lock);  in acct_on()
270 SYSCALL_DEFINE1(acct, const char __user *, name)  in SYSCALL_DEFINE1()  argument
468 static void do_acct_process(struct bsd_acct_struct *acct)  in do_acct_process()  argument
473 	struct file *file = acct->file;  in do_acct_process()
487 	if (!check_free_space(acct))  in do_acct_process()
501 		struct pid_namespace *ns = acct->ns;  in do_acct_process()
573 		struct bsd_acct_struct *acct = acct_get(ns);  in slow_acct_process()  local
574 		if (acct) {  in slow_acct_process()
575 			do_acct_process(acct);  in slow_acct_process()
576 			mutex_unlock(&acct->lock);  in slow_acct_process()
577 			acct_put(acct);  in slow_acct_process()