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[3.5.yuz,extended,stable] Patch "libceph: initialize mon_client con only once" has been added to staging queue

Message ID 1353431865-9537-1-git-send-email-herton.krzesinski@canonical.com
State New
Headers show

Commit Message

Herton Ronaldo Krzesinski Nov. 20, 2012, 5:17 p.m. UTC 
This is a note to let you know that I have just added a patch titled

    libceph: initialize mon_client con only once

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

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From 07f4babd3e6d7333c38d344b3df1d60881cb48cc Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@inktank.com>
Date: Wed, 27 Jun 2012 12:24:34 -0700
Subject: [PATCH 44/78] libceph: initialize mon_client con only once

commit 735a72ef952d42a256f79ae3e6dc1c17a45c041b upstream.

Do not re-initialize the con on every connection attempt.  When we
ceph_con_close, there may still be work queued on the socket (e.g., to
close it), and re-initializing will clobber the work_struct state.

Signed-off-by: Sage Weil <sage@inktank.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
---
 net/ceph/mon_client.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

--
1.7.9.5
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Patch

diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index bcc80a0..bfd21a8 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -119,7 +119,6 @@  static void __close_session(struct ceph_mon_client *monc)
 	dout("__close_session closing mon%d\n", monc->cur_mon);
 	ceph_msg_revoke(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);
@@ -142,9 +141,6 @@  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;

-		ceph_con_init(&monc->con, monc, &mon_con_ops,
-			&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,
@@ -798,6 +794,9 @@  int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 	if (!monc->m_auth)
 		goto out_auth_reply;

+	ceph_con_init(&monc->con, monc, &mon_con_ops,
+		      &monc->client->msgr);
+
 	monc->cur_mon = -1;
 	monc->hunting = true;
 	monc->sub_renew_after = jiffies;