53 	struct key_user *candidate = NULL, *user;  in key_user_lookup()  local
64 		user = rb_entry(parent, struct key_user, node);  in key_user_lookup()
66 		if (uid_lt(uid, user->uid))  in key_user_lookup()
68 		else if (uid_gt(uid, user->uid))  in key_user_lookup()
80 		user = NULL;  in key_user_lookup()
105 	user = candidate;  in key_user_lookup()
110 	refcount_inc(&user->usage);  in key_user_lookup()
114 	return user;  in key_user_lookup()
120 void key_user_put(struct key_user *user)  in key_user_put()  argument
122 	if (refcount_dec_and_lock(&user->usage, &key_user_lock)) {  in key_user_put()
123 		rb_erase(&user->node, &key_user_tree);  in key_user_put()
126 		kfree(user);  in key_user_put()
230 	struct key_user *user = NULL;  in key_alloc()  local
251 	user = key_user_lookup(uid);  in key_alloc()
252 	if (!user)  in key_alloc()
263 		spin_lock(&user->lock);  in key_alloc()
265 			if (user->qnkeys + 1 > maxkeys ||  in key_alloc()
266 			    user->qnbytes + quotalen > maxbytes ||  in key_alloc()
267 			    user->qnbytes + quotalen < user->qnbytes)  in key_alloc()
271 		user->qnkeys++;  in key_alloc()
272 		user->qnbytes += quotalen;  in key_alloc()
273 		spin_unlock(&user->lock);  in key_alloc()
291 	key->user = user;  in key_alloc()
318 	atomic_inc(&user->nkeys);  in key_alloc()
328 		spin_lock(&user->lock);  in key_alloc()
329 		user->qnkeys--;  in key_alloc()
330 		user->qnbytes -= quotalen;  in key_alloc()
331 		spin_unlock(&user->lock);  in key_alloc()
333 	key_user_put(user);  in key_alloc()
341 		spin_lock(&user->lock);  in key_alloc()
342 		user->qnkeys--;  in key_alloc()
343 		user->qnbytes -= quotalen;  in key_alloc()
344 		spin_unlock(&user->lock);  in key_alloc()
346 	key_user_put(user);  in key_alloc()
352 	spin_unlock(&user->lock);  in key_alloc()
353 	key_user_put(user);  in key_alloc()
379 		unsigned maxbytes = uid_eq(key->user->uid, GLOBAL_ROOT_UID) ?  in key_payload_reserve()
382 		spin_lock(&key->user->lock);  in key_payload_reserve()
385 		    (key->user->qnbytes + delta > maxbytes ||  in key_payload_reserve()
386 		     key->user->qnbytes + delta < key->user->qnbytes)) {  in key_payload_reserve()
390 			key->user->qnbytes += delta;  in key_payload_reserve()
393 		spin_unlock(&key->user->lock);  in key_payload_reserve()
445 			atomic_inc(&key->user->nikeys);  in __key_instantiate_and_link()
603 		atomic_inc(&key->user->nikeys);  in key_reject_and_link()