ceph: export ceph_session_state_name function

...so that it can be used from the ceph debugfs
code when dumping session info.

Signed-off-by: John Spray <john.spray@redhat.com>

2 files changed, 9 insertions, 7 deletions

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index f8f774e6f868..a92d3f5c6c12 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -335,7 +335,7 @@ static void destroy_reply_info(struct ceph_mds_reply_info_parsed *info)
 /*
  * sessions
  */
-static const char *session_state_name(int s)
+const char *ceph_session_state_name(int s)
 {
         switch (s) {
         case CEPH_MDS_SESSION_NEW: return "new";
@@ -1235,7 +1235,7 @@ static int send_flushmsg_ack(struct ceph_mds_client *mdsc,
         struct ceph_msg *msg;
 
         dout("send_flushmsg_ack to mds%d (%s)s seq %lld\n",
-             session->s_mds, session_state_name(session->s_state), seq);
+             session->s_mds, ceph_session_state_name(session->s_state), seq);
         msg = create_session_msg(CEPH_SESSION_FLUSHMSG_ACK, seq);
         if (!msg)
                 return -ENOMEM;
@@ -1287,7 +1287,7 @@ static int request_close_session(struct ceph_mds_client *mdsc,
         struct ceph_msg *msg;
 
         dout("request_close_session mds%d state %s seq %lld\n",
-             session->s_mds, session_state_name(session->s_state),
+             session->s_mds, ceph_session_state_name(session->s_state),
              session->s_seq);
         msg = create_session_msg(CEPH_SESSION_REQUEST_CLOSE, session->s_seq);
         if (!msg)
@@ -2080,7 +2080,7 @@ static int __do_request(struct ceph_mds_client *mdsc,
         req->r_session = get_session(session);
 
         dout("do_request mds%d session %p state %s\n", mds, session,
-             session_state_name(session->s_state));
+             ceph_session_state_name(session->s_state));
         if (session->s_state != CEPH_MDS_SESSION_OPEN &&
             session->s_state != CEPH_MDS_SESSION_HUNG) {
                 if (session->s_state == CEPH_MDS_SESSION_NEW ||
@@ -2518,7 +2518,7 @@ static void handle_session(struct ceph_mds_session *session,
 
         dout("handle_session mds%d %s %p state %s seq %llu\n",
              mds, ceph_session_op_name(op), session,
-             session_state_name(session->s_state), seq);
+             ceph_session_state_name(session->s_state), seq);
 
         if (session->s_state == CEPH_MDS_SESSION_HUNG) {
                 session->s_state = CEPH_MDS_SESSION_OPEN;
@@ -2771,7 +2771,7 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc,
         session->s_seq = 0;
 
         dout("session %p state %s\n", session,
-             session_state_name(session->s_state));
+             ceph_session_state_name(session->s_state));
 
         spin_lock(&session->s_gen_ttl_lock);
         session->s_cap_gen++;
@@ -2904,7 +2904,7 @@ static void check_new_map(struct ceph_mds_client *mdsc,
                      ceph_mdsmap_is_laggy(oldmap, i) ? " (laggy)" : "",
                      ceph_mds_state_name(newstate),
                      ceph_mdsmap_is_laggy(newmap, i) ? " (laggy)" : "",
-                     session_state_name(s->s_state));
+                     ceph_session_state_name(s->s_state));
 
                 if (i >= newmap->m_max_mds ||
                     memcmp(ceph_mdsmap_get_addr(oldmap, i),
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 23015f747061..3288359353e9 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -330,6 +330,8 @@ ceph_get_mds_session(struct ceph_mds_session *s)
         return s;
 }
 
+extern const char *ceph_session_state_name(int s);
+
 extern void ceph_put_mds_session(struct ceph_mds_session *s);
 
 extern int ceph_send_msg_mds(struct ceph_mds_client *mdsc,