libceph: drop ceph_con_get/put helpers and nref member

These are no longer used.  Every ceph_connection instance is embedded in
another structure, and refcounts manipulated via the get/put ops.

Signed-off-by: Sage Weil <sage@inktank.com>

1 files changed, 1 insertions, 27 deletions

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index fc0cee7c9aa2..ab690e2e1206 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -501,30 +501,6 @@ bool ceph_con_opened(struct ceph_connection *con)
 }
 
 /*
- * generic get/put
- */
-struct ceph_connection *ceph_con_get(struct ceph_connection *con)
-{
-        int nref = __atomic_add_unless(&con->nref, 1, 0);
-
-        dout("con_get %p nref = %d -> %d\n", con, nref, nref + 1);
-
-        return nref ? con : NULL;
-}
-
-void ceph_con_put(struct ceph_connection *con)
-{
-        int nref = atomic_dec_return(&con->nref);
-
-        BUG_ON(nref < 0);
-        if (nref == 0) {
-                BUG_ON(con->sock);
-                kfree(con);
-        }
-        dout("con_put %p nref = %d -> %d\n", con, nref + 1, nref);
-}
-
-/*
  * initialize a new connection.
  */
 void ceph_con_init(struct ceph_connection *con, void *private,
@@ -535,7 +511,6 @@ void ceph_con_init(struct ceph_connection *con, void *private,
         memset(con, 0, sizeof(*con));
         con->private = private;
         con->ops = ops;
-        atomic_set(&con->nref, 1);
         con->msgr = msgr;
 
         con_sock_state_init(con);
@@ -1951,8 +1926,7 @@ static int try_write(struct ceph_connection *con)
 {
         int ret = 1;
 
-        dout("try_write start %p state %lu nref %d\n", con, con->state,
-             atomic_read(&con->nref));
+        dout("try_write start %p state %lu\n", con, con->state);
 
 more:
         dout("try_write out_kvec_bytes %d\n", con->out_kvec_bytes);