ocfs2/cluster: Pin the remote node item in configfs (2b190ce9) · Commits · 戴 / test

fs/ocfs2/cluster/tcp.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -355,6 +355,7 @@ static void sc_kref_release(struct kref *kref)
		sc->sc_sock = NULL;
		}

		o2nm_undepend_item(&sc->sc_node->nd_item);
		o2nm_node_put(sc->sc_node);
		sc->sc_node = NULL;

		@@ -376,6 +377,7 @@ static struct o2net_sock_container sc_alloc(struct o2nm_node node)
		{
		struct o2net_sock_container sc, ret = NULL;
		struct page *page = NULL;
		int status = 0;

		page = alloc_page(GFP_NOFS);
		sc = kzalloc(sizeof(*sc), GFP_NOFS);
		@@ -386,6 +388,13 @@ static struct o2net_sock_container sc_alloc(struct o2nm_node node)
		o2nm_node_get(node);
		sc->sc_node = node;

		/* pin the node item of the remote node */
		status = o2nm_depend_item(&node->nd_item);
		if (status) {
		mlog_errno(status);
		o2nm_node_put(node);
		goto out;
		}
		INIT_WORK(&sc->sc_connect_work, o2net_sc_connect_completed);
		INIT_WORK(&sc->sc_rx_work, o2net_rx_until_empty);
		INIT_WORK(&sc->sc_shutdown_work, o2net_shutdown_sc);