23 struct key *afs_request_key(struct afs_cell *cell)  in afs_request_key()
25 	struct key *key;  in afs_request_key()  local
30 	key = request_key_net(&key_type_rxrpc, cell->anonymous_key->description,  in afs_request_key()
32 	if (IS_ERR(key)) {  in afs_request_key()
33 		if (PTR_ERR(key) != -ENOKEY) {  in afs_request_key()
34 			_leave(" = %ld", PTR_ERR(key));  in afs_request_key()
35 			return key;  in afs_request_key()
43 		_leave(" = {%x} [auth]", key_serial(key));  in afs_request_key()
44 		return key;  in afs_request_key()
51 struct key *afs_request_key_rcu(struct afs_cell *cell)  in afs_request_key_rcu()
53 	struct key *key;  in afs_request_key_rcu()  local
58 	key = request_key_net_rcu(&key_type_rxrpc,  in afs_request_key_rcu()
61 	if (IS_ERR(key)) {  in afs_request_key_rcu()
62 		if (PTR_ERR(key) != -ENOKEY) {  in afs_request_key_rcu()
63 			_leave(" = %ld", PTR_ERR(key));  in afs_request_key_rcu()
64 			return key;  in afs_request_key_rcu()
72 		_leave(" = {%x} [auth]", key_serial(key));  in afs_request_key_rcu()
73 		return key;  in afs_request_key_rcu()
87 		key_put(permits->permits[i].key);  in afs_permits_rcu()
130 		h += (unsigned long)permits->permits[i].key / sizeof(void *);  in afs_hash_permits()
143 void afs_cache_permit(struct afs_vnode *vnode, struct key *key,  in afs_cache_permit()  argument
153 	       vnode->fid.vid, vnode->fid.vnode, key_serial(key), caller_access);  in afs_cache_permit()
164 				if (permits->permits[i].key < key)  in afs_cache_permit()
166 				if (permits->permits[i].key > key)  in afs_cache_permit()
231 			if (j == i && permits->permits[i].key > key) {  in afs_cache_permit()
232 				new->permits[j].key = key;  in afs_cache_permit()
236 			new->permits[j].key = permits->permits[i].key;  in afs_cache_permit()
243 		new->permits[j].key = key;  in afs_cache_permit()
269 		key_get(new->permits[i].key);  in afs_cache_permit()
303 static bool afs_check_permit_rcu(struct afs_vnode *vnode, struct key *key,  in afs_check_permit_rcu()  argument
310 	       vnode->fid.vid, vnode->fid.vnode, key_serial(key));  in afs_check_permit_rcu()
313 	if (key == vnode->volume->cell->anonymous_key) {  in afs_check_permit_rcu()
322 			if (permits->permits[i].key < key)  in afs_check_permit_rcu()
324 			if (permits->permits[i].key > key)  in afs_check_permit_rcu()
342 int afs_check_permit(struct afs_vnode *vnode, struct key *key,  in afs_check_permit()  argument
350 	       vnode->fid.vid, vnode->fid.vnode, key_serial(key));  in afs_check_permit()
353 	if (key == vnode->volume->cell->anonymous_key) {  in afs_check_permit()
362 				if (permits->permits[i].key < key)  in afs_check_permit()
364 				if (permits->permits[i].key > key)  in afs_check_permit()
381 		ret = afs_fetch_status(vnode, key, false, _access);  in afs_check_permit()
403 	struct key *key;  in afs_permission()  local
410 		key = afs_request_key_rcu(vnode->volume->cell);  in afs_permission()
411 		if (IS_ERR(key))  in afs_permission()
416 		    !afs_check_permit_rcu(vnode, key, &access))  in afs_permission()
419 		key = afs_request_key(vnode->volume->cell);  in afs_permission()
420 		if (IS_ERR(key)) {  in afs_permission()
421 			_leave(" = %ld [key]", PTR_ERR(key));  in afs_permission()
422 			return PTR_ERR(key);  in afs_permission()
425 		ret = afs_validate(vnode, key);  in afs_permission()
430 		ret = afs_check_permit(vnode, key, &access);  in afs_permission()
468 	key_put(key);  in afs_permission()
475 	key_put(key);  in afs_permission()