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authorSage Weil <sage@inktank.com>2012-07-30 18:16:16 -0700
committerSage Weil <sage@inktank.com>2012-07-30 18:16:16 -0700
commit8007b8d626b49c34fb146ec16dc639d8b10c862f (patch)
tree0271899a42c00696a7fefad0bdab0c7f5e74b892 /net
parent09d9032751bfdabcba8752ab4b01a30fedea3d67 (diff)
downloadlinux-8007b8d626b49c34fb146ec16dc639d8b10c862f.tar.gz
libceph: fix handling of immediate socket connect failure
If the connect() call immediately fails such that sock == NULL, we still need con_close_socket() to reset our socket state to CLOSED. Signed-off-by: Sage Weil <sage@inktank.com> Reviewed-by: Alex Elder <elder@inktank.com>
Diffstat (limited to 'net')
-rw-r--r--net/ceph/messenger.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index fa16f2cc35f..a6a0c7a0a97 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -224,6 +224,8 @@ static void con_sock_state_init(struct ceph_connection *con)
old_state = atomic_xchg(&con->sock_state, CON_SOCK_STATE_CLOSED);
if (WARN_ON(old_state != CON_SOCK_STATE_NEW))
printk("%s: unexpected old state %d\n", __func__, old_state);
+ dout("%s con %p sock %d -> %d\n", __func__, con, old_state,
+ CON_SOCK_STATE_CLOSED);
}
static void con_sock_state_connecting(struct ceph_connection *con)
@@ -233,6 +235,8 @@ static void con_sock_state_connecting(struct ceph_connection *con)
old_state = atomic_xchg(&con->sock_state, CON_SOCK_STATE_CONNECTING);
if (WARN_ON(old_state != CON_SOCK_STATE_CLOSED))
printk("%s: unexpected old state %d\n", __func__, old_state);
+ dout("%s con %p sock %d -> %d\n", __func__, con, old_state,
+ CON_SOCK_STATE_CONNECTING);
}
static void con_sock_state_connected(struct ceph_connection *con)
@@ -242,6 +246,8 @@ static void con_sock_state_connected(struct ceph_connection *con)
old_state = atomic_xchg(&con->sock_state, CON_SOCK_STATE_CONNECTED);
if (WARN_ON(old_state != CON_SOCK_STATE_CONNECTING))
printk("%s: unexpected old state %d\n", __func__, old_state);
+ dout("%s con %p sock %d -> %d\n", __func__, con, old_state,
+ CON_SOCK_STATE_CONNECTED);
}
static void con_sock_state_closing(struct ceph_connection *con)
@@ -253,6 +259,8 @@ static void con_sock_state_closing(struct ceph_connection *con)
old_state != CON_SOCK_STATE_CONNECTED &&
old_state != CON_SOCK_STATE_CLOSING))
printk("%s: unexpected old state %d\n", __func__, old_state);
+ dout("%s con %p sock %d -> %d\n", __func__, con, old_state,
+ CON_SOCK_STATE_CLOSING);
}
static void con_sock_state_closed(struct ceph_connection *con)
@@ -262,8 +270,11 @@ static void con_sock_state_closed(struct ceph_connection *con)
old_state = atomic_xchg(&con->sock_state, CON_SOCK_STATE_CLOSED);
if (WARN_ON(old_state != CON_SOCK_STATE_CONNECTED &&
old_state != CON_SOCK_STATE_CLOSING &&
- old_state != CON_SOCK_STATE_CONNECTING))
+ old_state != CON_SOCK_STATE_CONNECTING &&
+ old_state != CON_SOCK_STATE_CLOSED))
printk("%s: unexpected old state %d\n", __func__, old_state);
+ dout("%s con %p sock %d -> %d\n", __func__, con, old_state,
+ CON_SOCK_STATE_CLOSED);
}
/*
@@ -448,14 +459,14 @@ static int ceph_tcp_sendpage(struct socket *sock, struct page *page,
*/
static int con_close_socket(struct ceph_connection *con)
{
- int rc;
+ int rc = 0;
dout("con_close_socket on %p sock %p\n", con, con->sock);
- if (!con->sock)
- return 0;
- rc = con->sock->ops->shutdown(con->sock, SHUT_RDWR);
- sock_release(con->sock);
- con->sock = NULL;
+ if (con->sock) {
+ rc = con->sock->ops->shutdown(con->sock, SHUT_RDWR);
+ sock_release(con->sock);
+ con->sock = NULL;
+ }
/*
* Forcibly clear the SOCK_CLOSED flag. It gets set
@@ -464,6 +475,7 @@ static int con_close_socket(struct ceph_connection *con)
* shut the socket down.
*/
clear_bit(CON_FLAG_SOCK_CLOSED, &con->flags);
+
con_sock_state_closed(con);
return rc;
}