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author | Sage Weil <sage@newdream.net> | 2011-08-09 16:27:44 (GMT) |
---|---|---|
committer | Sage Weil <sage@newdream.net> | 2011-10-25 23:10:15 (GMT) |
commit | f6a2f5be07463ef532b9f4e3cb9e42ab9df85832 (patch) | |
tree | 2e0bc35d64631705fffded5f93f9345ff0f0587f /net/ceph/mon_client.c | |
parent | 6ab00d465a1c8c02c2216f8220727282f3aa50b5 (diff) | |
download | linux-fsl-qoriq-f6a2f5be07463ef532b9f4e3cb9e42ab9df85832.tar.xz |
libceph: always preallocate mon connection
Allocate the mon connection on init. We already reuse it across
reconnects. Remove now unnecessary (and incomplete) NULL checks.
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'net/ceph/mon_client.c')
-rw-r--r-- | net/ceph/mon_client.c | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index cbe31fa..55672166 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -116,14 +116,12 @@ static void __send_prepared_auth_request(struct ceph_mon_client *monc, int len) */ static void __close_session(struct ceph_mon_client *monc) { - if (monc->con) { - dout("__close_session closing mon%d\n", monc->cur_mon); - ceph_con_revoke(monc->con, monc->m_auth); - ceph_con_close(monc->con); - monc->cur_mon = -1; - monc->pending_auth = 0; - ceph_auth_reset(monc->auth); - } + dout("__close_session closing mon%d\n", monc->cur_mon); + ceph_con_revoke(monc->con, monc->m_auth); + ceph_con_close(monc->con); + monc->cur_mon = -1; + monc->pending_auth = 0; + ceph_auth_reset(monc->auth); } /* @@ -302,15 +300,6 @@ void ceph_monc_request_next_osdmap(struct ceph_mon_client *monc) */ int ceph_monc_open_session(struct ceph_mon_client *monc) { - if (!monc->con) { - monc->con = kmalloc(sizeof(*monc->con), GFP_KERNEL); - if (!monc->con) - return -ENOMEM; - ceph_con_init(monc->client->msgr, monc->con); - monc->con->private = monc; - monc->con->ops = &mon_con_ops; - } - mutex_lock(&monc->mutex); __open_session(monc); __schedule_delayed(monc); @@ -755,7 +744,13 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl) if (err) goto out; - monc->con = NULL; + /* connection */ + monc->con = kmalloc(sizeof(*monc->con), GFP_KERNEL); + if (!monc->con) + goto out_monmap; + ceph_con_init(monc->client->msgr, monc->con); + monc->con->private = monc; + monc->con->ops = &mon_con_ops; /* authentication */ monc->auth = ceph_auth_init(cl->options->name, @@ -772,7 +767,7 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl) sizeof(struct ceph_mon_subscribe_ack), GFP_NOFS); if (!monc->m_subscribe_ack) - goto out_monmap; + goto out_con; monc->m_subscribe = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 96, GFP_NOFS); if (!monc->m_subscribe) @@ -808,6 +803,8 @@ out_subscribe: ceph_msg_put(monc->m_subscribe); out_subscribe_ack: ceph_msg_put(monc->m_subscribe_ack); +out_con: + monc->con->ops->put(monc->con); out_monmap: kfree(monc->monmap); out: @@ -822,11 +819,11 @@ void ceph_monc_stop(struct ceph_mon_client *monc) mutex_lock(&monc->mutex); __close_session(monc); - if (monc->con) { - monc->con->private = NULL; - monc->con->ops->put(monc->con); - monc->con = NULL; - } + + monc->con->private = NULL; + monc->con->ops->put(monc->con); + monc->con = NULL; + mutex_unlock(&monc->mutex); ceph_auth_destroy(monc->auth); @@ -1000,7 +997,7 @@ static void mon_fault(struct ceph_connection *con) if (!con->private) goto out; - if (monc->con && !monc->hunting) + if (!monc->hunting) pr_info("mon%d %s session lost, " "hunting for new mon\n", monc->cur_mon, ceph_pr_addr(&monc->con->peer_addr.in_addr)); |