24 static int key_create_persistent_register(struct user_namespace *ns)  in key_create_persistent_register()  argument
35 	ns->persistent_keyring_register = reg;  in key_create_persistent_register()
44 static key_ref_t key_create_persistent(struct user_namespace *ns, kuid_t uid,  in key_create_persistent()  argument
50 	if (!ns->persistent_keyring_register) {  in key_create_persistent()
51 		long err = key_create_persistent_register(ns);  in key_create_persistent()
55 		reg_ref = make_key_ref(ns->persistent_keyring_register, true);  in key_create_persistent()
66 				   ns->persistent_keyring_register);  in key_create_persistent()
77 static long key_get_persistent(struct user_namespace *ns, kuid_t uid,  in key_get_persistent()  argument
89 	index_key.desc_len = sprintf(buf, "_persistent.%u", from_kuid(ns, uid));  in key_get_persistent()
91 	if (ns->persistent_keyring_register) {  in key_get_persistent()
92 		reg_ref = make_key_ref(ns->persistent_keyring_register, true);  in key_get_persistent()
93 		down_read(&ns->persistent_keyring_register_sem);  in key_get_persistent()
95 		up_read(&ns->persistent_keyring_register_sem);  in key_get_persistent()
104 	down_write(&ns->persistent_keyring_register_sem);  in key_get_persistent()
105 	persistent_ref = key_create_persistent(ns, uid, &index_key);  in key_get_persistent()
106 	up_write(&ns->persistent_keyring_register_sem);  in key_get_persistent()
133 	struct user_namespace *ns = current_user_ns();  in keyctl_get_persistent()  local
142 		uid = make_kuid(ns, _uid);  in keyctl_get_persistent()
151 		    !ns_capable(ns, CAP_SETUID))  in keyctl_get_persistent()
164 	ret = key_get_persistent(ns, uid, dest_ref);  in keyctl_get_persistent()