-
- ocfs2_remove_node_from_vote_queues(osb, node_num);
-}
-
-static void ocfs2_hb_node_down_cb(struct o2nm_node *node,
- int node_num,
- void *data)
-{
- ocfs2_do_node_down(node_num, (struct ocfs2_super *) data);
-}
-
-/* Called from the dlm when it's about to evict a node. We may also
- * get a heartbeat callback later. */
-static void ocfs2_dlm_eviction_cb(int node_num,
- void *data)
-{
- struct ocfs2_super *osb = (struct ocfs2_super *) data;
- struct super_block *sb = osb->sb;
-
- mlog(ML_NOTICE, "device (%u,%u): dlm has evicted node %d\n",
- MAJOR(sb->s_dev), MINOR(sb->s_dev), node_num);
-
- ocfs2_do_node_down(node_num, osb);
-}
-
-static void ocfs2_hb_node_up_cb(struct o2nm_node *node,
- int node_num,
- void *data)
-{
- struct ocfs2_super *osb = data;
-
- BUG_ON(osb->node_num == node_num);
-
- mlog(0, "node up event for %d\n", node_num);
- ocfs2_node_map_clear_bit(osb, &osb->umount_map, node_num);
-}
-
-void ocfs2_setup_hb_callbacks(struct ocfs2_super *osb)
-{
- o2hb_setup_callback(&osb->osb_hb_down, O2HB_NODE_DOWN_CB,
- ocfs2_hb_node_down_cb, osb,
- OCFS2_HB_NODE_DOWN_PRI);
-
- o2hb_setup_callback(&osb->osb_hb_up, O2HB_NODE_UP_CB,
- ocfs2_hb_node_up_cb, osb, OCFS2_HB_NODE_UP_PRI);
-
- /* Not exactly a heartbeat callback, but leads to essentially
- * the same path so we set it up here. */
- dlm_setup_eviction_cb(&osb->osb_eviction_cb,
- ocfs2_dlm_eviction_cb,
- osb);
-}
-
-/* Most functions here are just stubs for now... */
-int ocfs2_register_hb_callbacks(struct ocfs2_super *osb)
-{
- int status;
-
- if (ocfs2_mount_local(osb))
- return 0;
-
- status = o2hb_register_callback(&osb->osb_hb_down);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
-
- status = o2hb_register_callback(&osb->osb_hb_up);
- if (status < 0)
- mlog_errno(status);
-
-bail:
- return status;
-}
-
-void ocfs2_clear_hb_callbacks(struct ocfs2_super *osb)
-{
- int status;
-
- if (ocfs2_mount_local(osb))
- return;
-
- status = o2hb_unregister_callback(&osb->osb_hb_down);
- if (status < 0)
- mlog_errno(status);
-
- status = o2hb_unregister_callback(&osb->osb_hb_up);
- if (status < 0)
- mlog_errno(status);
-}
-
-void ocfs2_stop_heartbeat(struct ocfs2_super *osb)
-{
- int ret;
- char *argv[5], *envp[3];
-
- if (ocfs2_mount_local(osb))
- return;
-
- if (!osb->uuid_str) {
- /* This can happen if we don't get far enough in mount... */
- mlog(0, "No UUID with which to stop heartbeat!\n\n");
- return;
- }
-
- argv[0] = (char *)o2nm_get_hb_ctl_path();
- argv[1] = "-K";
- argv[2] = "-u";
- argv[3] = osb->uuid_str;
- argv[4] = NULL;
-
- mlog(0, "Run: %s %s %s %s\n", argv[0], argv[1], argv[2], argv[3]);
-
- /* minimal command environment taken from cpu_run_sbin_hotplug */
- envp[0] = "HOME=/";
- envp[1] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
- envp[2] = NULL;
-
- ret = call_usermodehelper(argv[0], argv, envp, 1);
- if (ret < 0)
- mlog_errno(ret);
-}
-
-/* special case -1 for now
- * TODO: should *really* make sure the calling func never passes -1!! */
-void ocfs2_node_map_init(struct ocfs2_node_map *map)
-{
- map->num_nodes = OCFS2_NODE_MAP_MAX_NODES;
- memset(map->map, 0, BITS_TO_LONGS(OCFS2_NODE_MAP_MAX_NODES) *
- sizeof(unsigned long));