Cross Reference: /security/keys/key.c

Lines Matching defs:user
51  * Get the key quota record for a user, allocating a new record if one doesn't
56 	struct key_user *candidate = NULL, *user;
64 	/* search the tree for a user record with a matching UID */
67 		user = rb_entry(parent, struct key_user, node);
69 		if (uid_lt(uid, user->uid))
71 		else if (uid_gt(uid, user->uid))
79 		/* allocate a candidate user record if we don't already have
83 		user = NULL;
94 	/* if we get here, then the user record still hadn't appeared on the
108 	user = candidate;
111 	/* okay - we found a user record for this UID */
113 	atomic_inc(&user->usage);
117 	return user;
121  * Dispose of a user structure
123 void key_user_put(struct key_user *user)
125 	if (atomic_dec_and_lock(&user->usage, &key_user_lock)) {
126 		rb_erase(&user->node, &key_user_tree);
129 		kfree(user);
209  * The user's key count quota is updated to reflect the creation of the key and
210  * the user's key data quota has the default for the key type reserved.  The
228 	struct key_user *user = NULL;
248 	/* get hold of the key tracking for this user */
249 	user = key_user_lookup(uid);
250 	if (!user)
253 	/* check that the user's quota permits allocation of another key and
261 		spin_lock(&user->lock);
263 			if (user->qnkeys + 1 >= maxkeys ||
264 			    user->qnbytes + quotalen >= maxbytes ||
265 			    user->qnbytes + quotalen < user->qnbytes)
269 		user->qnkeys++;
270 		user->qnbytes += quotalen;
271 		spin_unlock(&user->lock);
290 	key->user = user;
312 	atomic_inc(&user->nkeys);
322 		spin_lock(&user->lock);
323 		user->qnkeys--;
324 		user->qnbytes -= quotalen;
325 		spin_unlock(&user->lock);
327 	key_user_put(user);
335 		spin_lock(&user->lock);
336 		user->qnkeys--;
337 		user->qnbytes -= quotalen;
338 		spin_unlock(&user->lock);
340 	key_user_put(user);
346 	spin_unlock(&user->lock);
347 	key_user_put(user);
358  * Adjust the amount of the owning user's key data quota that a key reserves.
373 		unsigned maxbytes = uid_eq(key->user->uid, GLOBAL_ROOT_UID) ?
376 		spin_lock(&key->user->lock);
379 		    (key->user->qnbytes + delta >= maxbytes ||
380 		     key->user->qnbytes + delta < key->user->qnbytes)) {
384 			key->user->qnbytes += delta;
387 		spin_unlock(&key->user->lock);
427 			atomic_inc(&key->user->nikeys);
558 		atomic_inc(&key->user->nikeys);
1135 	/* record the root user tracking */