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-rw-r--r--fs/dlm/lowcomms.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 609108a8326..cdb580a9c7a 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -309,6 +309,20 @@ static void lowcomms_state_change(struct sock *sk)
lowcomms_write_space(sk);
}
+int dlm_lowcomms_connect_node(int nodeid)
+{
+ struct connection *con;
+
+ if (nodeid == dlm_our_nodeid())
+ return 0;
+
+ con = nodeid2con(nodeid, GFP_NOFS);
+ if (!con)
+ return -ENOMEM;
+ lowcomms_connect_sock(con);
+ return 0;
+}
+
/* Make a socket active */
static int add_sock(struct socket *sock, struct connection *con)
{
@@ -486,7 +500,7 @@ static void process_sctp_notification(struct connection *con,
return;
}
- new_con = nodeid2con(nodeid, GFP_KERNEL);
+ new_con = nodeid2con(nodeid, GFP_NOFS);
if (!new_con)
return;
@@ -722,7 +736,7 @@ static int tcp_accept_from_sock(struct connection *con)
* the same time and the connections cross on the wire.
* In this case we store the incoming one in "othercon"
*/
- newcon = nodeid2con(nodeid, GFP_KERNEL);
+ newcon = nodeid2con(nodeid, GFP_NOFS);
if (!newcon) {
result = -ENOMEM;
goto accept_err;
@@ -732,7 +746,7 @@ static int tcp_accept_from_sock(struct connection *con)
struct connection *othercon = newcon->othercon;
if (!othercon) {
- othercon = kmem_cache_zalloc(con_cache, GFP_KERNEL);
+ othercon = kmem_cache_zalloc(con_cache, GFP_NOFS);
if (!othercon) {
log_print("failed to allocate incoming socket");
mutex_unlock(&newcon->sock_mutex);
@@ -1421,7 +1435,7 @@ static int work_start(void)
static void stop_conn(struct connection *con)
{
con->flags |= 0x0F;
- if (con->sock)
+ if (con->sock && con->sock->sk)
con->sock->sk->sk_user_data = NULL;
}