libceph: set peer name on con_open, not init
Sage Weil [Wed, 27 Jun 2012 19:24:08 +0000 (12:24 -0700)]
(cherry picked from commit b7a9e5dd40f17a48a72f249b8bbc989b63bae5fd)

The peer name may change on each open attempt, even when the connection is
reused.

Signed-off-by: Sage Weil <sage@inktank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

fs/ceph/mds_client.c
include/linux/ceph/messenger.h
net/ceph/messenger.c
net/ceph/mon_client.c
net/ceph/osd_client.c

index ecd7f15..5ac6434 100644 (file)
@@ -394,8 +394,7 @@ static struct ceph_mds_session *register_session(struct ceph_mds_client *mdsc,
        s->s_seq = 0;
        mutex_init(&s->s_mutex);
 
-       ceph_con_init(&s->s_con, s, &mds_con_ops, &mdsc->fsc->client->msgr,
-               CEPH_ENTITY_TYPE_MDS, mds);
+       ceph_con_init(&s->s_con, s, &mds_con_ops, &mdsc->fsc->client->msgr);
 
        spin_lock_init(&s->s_gen_ttl_lock);
        s->s_cap_gen = 0;
@@ -437,7 +436,8 @@ static struct ceph_mds_session *register_session(struct ceph_mds_client *mdsc,
        mdsc->sessions[mds] = s;
        atomic_inc(&s->s_ref);  /* one ref to sessions[], one to caller */
 
-       ceph_con_open(&s->s_con, ceph_mdsmap_get_addr(mdsc->mdsmap, mds));
+       ceph_con_open(&s->s_con, CEPH_ENTITY_TYPE_MDS, mds,
+                     ceph_mdsmap_get_addr(mdsc->mdsmap, mds));
 
        return s;
 
@@ -2529,6 +2529,7 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc,
        session->s_seq = 0;
 
        ceph_con_open(&session->s_con,
+                     CEPH_ENTITY_TYPE_MDS, mds,
                      ceph_mdsmap_get_addr(mdsc->mdsmap, mds));
 
        /* replay unsafe requests */
index 6a00acc..ec22abd 100644 (file)
@@ -224,9 +224,9 @@ extern void ceph_messenger_init(struct ceph_messenger *msgr,
 
 extern void ceph_con_init(struct ceph_connection *con, void *private,
                        const struct ceph_connection_operations *ops,
-                       struct ceph_messenger *msgr, __u8 entity_type,
-                       __u64 entity_num);
+                       struct ceph_messenger *msgr);
 extern void ceph_con_open(struct ceph_connection *con,
+                         __u8 entity_type, __u64 entity_num,
                          struct ceph_entity_addr *addr);
 extern bool ceph_con_opened(struct ceph_connection *con);
 extern void ceph_con_close(struct ceph_connection *con);
index c40d1d5..e7cb279 100644 (file)
@@ -523,12 +523,17 @@ EXPORT_SYMBOL(ceph_con_close);
 /*
  * Reopen a closed connection, with a new peer address.
  */
-void ceph_con_open(struct ceph_connection *con, struct ceph_entity_addr *addr)
+void ceph_con_open(struct ceph_connection *con,
+                  __u8 entity_type, __u64 entity_num,
+                  struct ceph_entity_addr *addr)
 {
        dout("con_open %p %s\n", con, ceph_pr_addr(&addr->in_addr));
        set_bit(OPENING, &con->state);
        WARN_ON(!test_and_clear_bit(CLOSED, &con->state));
 
+       con->peer_name.type = (__u8) entity_type;
+       con->peer_name.num = cpu_to_le64(entity_num);
+
        memcpy(&con->peer_addr, addr, sizeof(*addr));
        con->delay = 0;      /* reset backoff memory */
        queue_con(con);
@@ -548,7 +553,7 @@ bool ceph_con_opened(struct ceph_connection *con)
  */
 void ceph_con_init(struct ceph_connection *con, void *private,
        const struct ceph_connection_operations *ops,
-       struct ceph_messenger *msgr, __u8 entity_type, __u64 entity_num)
+       struct ceph_messenger *msgr)
 {
        dout("con_init %p\n", con);
        memset(con, 0, sizeof(*con));
@@ -558,9 +563,6 @@ void ceph_con_init(struct ceph_connection *con, void *private,
 
        con_sock_state_init(con);
 
-       con->peer_name.type = (__u8) entity_type;
-       con->peer_name.num = cpu_to_le64(entity_num);
-
        mutex_init(&con->mutex);
        INIT_LIST_HEAD(&con->out_queue);
        INIT_LIST_HEAD(&con->out_sent);
index dc16595..39d772f 100644 (file)
@@ -143,11 +143,11 @@ static int __open_session(struct ceph_mon_client *monc)
                monc->want_next_osdmap = !!monc->want_next_osdmap;
 
                ceph_con_init(&monc->con, monc, &mon_con_ops,
-                       &monc->client->msgr,
-                       CEPH_ENTITY_TYPE_MON, monc->cur_mon);
+                       &monc->client->msgr);
 
                dout("open_session mon%d opening\n", monc->cur_mon);
                ceph_con_open(&monc->con,
+                             CEPH_ENTITY_TYPE_MON, monc->cur_mon,
                              &monc->monmap->mon_inst[monc->cur_mon].addr);
 
                /* initiatiate authentication handshake */
index c178c77..474a52d 100644 (file)
@@ -639,8 +639,7 @@ static struct ceph_osd *create_osd(struct ceph_osd_client *osdc, int onum)
        INIT_LIST_HEAD(&osd->o_osd_lru);
        osd->o_incarnation = 1;
 
-       ceph_con_init(&osd->o_con, osd, &osd_con_ops, &osdc->client->msgr,
-               CEPH_ENTITY_TYPE_OSD, onum);
+       ceph_con_init(&osd->o_con, osd, &osd_con_ops, &osdc->client->msgr);
 
        INIT_LIST_HEAD(&osd->o_keepalive_item);
        return osd;
@@ -750,7 +749,8 @@ static int __reset_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd)
                ret = -EAGAIN;
        } else {
                ceph_con_close(&osd->o_con);
-               ceph_con_open(&osd->o_con, &osdc->osdmap->osd_addr[osd->o_osd]);
+               ceph_con_open(&osd->o_con, CEPH_ENTITY_TYPE_OSD, osd->o_osd,
+                             &osdc->osdmap->osd_addr[osd->o_osd]);
                osd->o_incarnation++;
        }
        return ret;
@@ -1005,7 +1005,9 @@ static int __map_request(struct ceph_osd_client *osdc,
                dout("map_request osd %p is osd%d\n", req->r_osd, o);
                __insert_osd(osdc, req->r_osd);
 
-               ceph_con_open(&req->r_osd->o_con, &osdc->osdmap->osd_addr[o]);
+               ceph_con_open(&req->r_osd->o_con,
+                             CEPH_ENTITY_TYPE_OSD, o,
+                             &osdc->osdmap->osd_addr[o]);
        }
 
        if (req->r_osd) {