1 files changed, 18 insertions, 0 deletions

diff --git a/include/linux/ceph/auth.h b/include/linux/ceph/auth.h
index d4080f309b56..5f3386844134 100644
--- a/include/linux/ceph/auth.h
+++ b/include/linux/ceph/auth.h
@@ -52,6 +52,9 @@ struct ceph_auth_client_ops {
          */
         int (*create_authorizer)(struct ceph_auth_client *ac, int peer_type,
                                  struct ceph_auth_handshake *auth);
+        /* ensure that an existing authorizer is up to date */
+        int (*update_authorizer)(struct ceph_auth_client *ac, int peer_type,
+                                 struct ceph_auth_handshake *auth);
         int (*verify_authorizer_reply)(struct ceph_auth_client *ac,
                                        struct ceph_authorizer *a, size_t len);
         void (*destroy_authorizer)(struct ceph_auth_client *ac,
@@ -75,6 +78,8 @@ struct ceph_auth_client {
         u64 global_id;          /* our unique id in system */
         const struct ceph_crypto_key *key;     /* our secret key */
         unsigned want_keys;     /* which services we want */
+
+        struct mutex mutex;
 };
 
 extern struct ceph_auth_client *ceph_auth_init(const char *name,
@@ -94,5 +99,18 @@ extern int ceph_build_auth(struct ceph_auth_client *ac,
                     void *msg_buf, size_t msg_len);
 
 extern int ceph_auth_is_authenticated(struct ceph_auth_client *ac);
+extern int ceph_auth_create_authorizer(struct ceph_auth_client *ac,
+                                       int peer_type,
+                                       struct ceph_auth_handshake *auth);
+extern void ceph_auth_destroy_authorizer(struct ceph_auth_client *ac,
+                                         struct ceph_authorizer *a);
+extern int ceph_auth_update_authorizer(struct ceph_auth_client *ac,
+                                       int peer_type,
+                                       struct ceph_auth_handshake *a);
+extern int ceph_auth_verify_authorizer_reply(struct ceph_auth_client *ac,
+                                             struct ceph_authorizer *a,
+                                             size_t len);
+extern void ceph_auth_invalidate_authorizer(struct ceph_auth_client *ac,
+                                            int peer_type);
 
 #endif