ceph: allow renewal of auth credentials

Add infrastructure to allow the mon_client to periodically renew its auth
credentials.  Also add a messenger callback that will force such a renewal
if a peer rejects our authenticator.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/fs/ceph/auth.h b/fs/ceph/auth.h
index 4d8cdf6bb3b6..ca4f57cfb267 100644
--- a/fs/ceph/auth.h
+++ b/fs/ceph/auth.h
@@ -42,6 +42,8 @@ struct ceph_auth_client_ops {
                                        struct ceph_authorizer *a, size_t len);
         void (*destroy_authorizer)(struct ceph_auth_client *ac,
                                    struct ceph_authorizer *a);
+        void (*invalidate_authorizer)(struct ceph_auth_client *ac,
+                                      int peer_type);
 
         /* reset when we (re)connect to a monitor */
         void (*reset)(struct ceph_auth_client *ac);
@@ -74,4 +76,9 @@ extern int ceph_handle_auth_reply(struct ceph_auth_client *ac,
                                   void *reply_buf, size_t reply_len);
 extern int ceph_entity_name_encode(const char *name, void **p, void *end);
 
+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);
+
 #endif