From 89a86be0ce20022f6ede8bccec078dbb3d63caaa Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@inktank.com>
Date: Sat, 9 Jun 2012 14:19:21 -0700
Subject: [PATCH] libceph: transition socket state prior to actual connect
Once we call ->connect(), we are racing against the actual
connection, and a subsequent transition from CONNECTING ->
CONNECTED. Set the state to CONNECTING before that, under the
protection of the mutex, to avoid the race.
This was introduced in 928443cd9644e7cfd46f687dbeffda2d1a357ff9,
with the original socket state code.
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>
---
net/ceph/messenger.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 769a2c9fe1af..bdbecac2d69d 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -321,6 +321,7 @@ static int ceph_tcp_connect(struct ceph_connection *con)
dout("connect %s\n", ceph_pr_addr(&con->peer_addr.in_addr));
+ con_sock_state_connecting(con);
ret = sock->ops->connect(sock, (struct sockaddr *)paddr, sizeof(*paddr),
O_NONBLOCK);
if (ret == -EINPROGRESS) {
@@ -336,8 +337,6 @@ static int ceph_tcp_connect(struct ceph_connection *con)
return ret;
}
con->sock = sock;
- con_sock_state_connecting(con);
-
return 0;
}
--
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