Commit 61d96be0 authored by Patrick Caulfield's avatar Patrick Caulfield Committed by Steven Whitehouse
Browse files

[DLM] Fix lowcomms socket closing 



This patch fixes the slight mess made in lowcomms closing by previous patches
and fixes all sorts of DLM hangs.

Signed-Off-By: default avatarPatrick Caulfield <pcaulfie@redhat.com>
Signed-off-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
parent a13b8c5f

fs/dlm/lowcomms.c

+4 −12
Original line number Diff line number Diff line
@@ -334,19 +334,9 @@ static void close_connection(struct connection *con, bool and_other) 
		con->rx_page = NULL;

	}



	/* If we are an 'othercon' then NULL the pointer to us

	   from the parent and tidy ourself up */

	if (test_bit(CF_IS_OTHERCON, &con->flags)) {

		struct connection *parent = __nodeid2con(con->nodeid, 0);

		parent->othercon = NULL;

		kmem_cache_free(con_cache, con);

	}

	else {

		/* Parent connections get reused */

	con->retries = 0;

	mutex_unlock(&con->sock_mutex);

}

}



/* We only send shutdown messages to nodes that are not part of the cluster */

static void sctp_send_shutdown(sctp_assoc_t associd)
@@ -731,6 +721,8 @@ static int tcp_accept_from_sock(struct connection *con) 
			INIT_WORK(&othercon->swork, process_send_sockets);

			INIT_WORK(&othercon->rwork, process_recv_sockets);

			set_bit(CF_IS_OTHERCON, &othercon->flags);

		}

		if (!othercon->sock) {

			newcon->othercon = othercon;

			othercon->sock = newsock;

			newsock->sk->sk_user_data = othercon;