[ 3.5.yuz extended stable ] Patch "libceph: init monitor connection when opening" has been added to staging queue

[Herton Ronaldo Krzesinski]

This is a note to let you know that I have just added a patch titled

    libceph: init monitor connection when opening

to the linux-3.5.y-queue branch of the 3.5.yuz extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.yuz tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Herton

------

>From 89b947066e8ce3ae060c549e097a9f4a3425fd2a Mon Sep 17 00:00:00 2001
From: Alex Elder <elder at inktank.com>
Date: Sat, 26 May 2012 23:26:43 -0500
Subject: [PATCH 12/78] libceph: init monitor connection when opening

commit 20581c1faf7b15ae1f8b80c0ec757877b0b53151 upstream.

Hold off initializing a monitor client's connection until just
before it gets opened for use.

Signed-off-by: Alex Elder <elder at inktank.com>
Reviewed-by: Sage Weil <sage at inktank.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski at canonical.com>
---
 net/ceph/mon_client.c |   13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index b59ca7a..fec3147 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -119,6 +119,7 @@ static void __close_session(struct ceph_mon_client *monc)
 	dout("__close_session closing mon%d\n", monc->cur_mon);
 	ceph_con_revoke(&monc->con, monc->m_auth);
 	ceph_con_close(&monc->con);
+	monc->con.private = NULL;
 	monc->cur_mon = -1;
 	monc->pending_auth = 0;
 	ceph_auth_reset(monc->auth);
@@ -141,9 +142,13 @@ static int __open_session(struct ceph_mon_client *monc)
 		monc->sub_renew_after = jiffies;  /* i.e., expired */
 		monc->want_next_osdmap = !!monc->want_next_osdmap;

-		dout("open_session mon%d opening\n", monc->cur_mon);
+		ceph_con_init(&monc->client->msgr, &monc->con);
+		monc->con.private = monc;
+		monc->con.ops = &mon_con_ops;
 		monc->con.peer_name.type = CEPH_ENTITY_TYPE_MON;
 		monc->con.peer_name.num = cpu_to_le64(monc->cur_mon);
+
+		dout("open_session mon%d opening\n", monc->cur_mon);
 		ceph_con_open(&monc->con,
 			      &monc->monmap->mon_inst[monc->cur_mon].addr);

@@ -760,10 +765,6 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 		goto out;

 	/* connection */
-	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,
 				    cl->options->key);
@@ -836,8 +837,6 @@ void ceph_monc_stop(struct ceph_mon_client *monc)
 	mutex_lock(&monc->mutex);
 	__close_session(monc);

-	monc->con.private = NULL;
-
 	mutex_unlock(&monc->mutex);

 	/*
--
1.7.9.5