static void do_local_node_remove(struct rpc_desc *desc,
struct hotplug_context *ctx)
{
struct rpc_communicator *comm = ctx->ns->rpc_comm;
krgnodemask_t prev_online, new_online;
int ret;
SET_KERRIGHED_NODE_FLAGS(KRGFLAGS_STOPPING);
printk("do_local_node_remove\n");
krgnodes_copy(prev_online, krgnode_online_map);
krgnodes_andnot(new_online, krgnode_online_map, ctx->node_set.v);
atomic_set(&nr_to_wait, krgnodes_weight(new_online));
printk("...notify local\n");
hotplug_remove_notify(ctx, HOTPLUG_NOTIFY_REMOVE_LOCAL);
krgnodes_copy(new_online, krgnode_online_map);
printk("...notify_distant\n");
hotplug_remove_notify(ctx, HOTPLUG_NOTIFY_REMOVE_DISTANT);
printk("...confirm\n");
rpc_sync_m(NODE_REMOVE_CONFIRM, comm, &new_online,
&ctx->node_set, sizeof(ctx->node_set));
printk("...wait ack\n");
wait_event(all_removed_wqh, atomic_read(&nr_to_wait) == 0);
rpc_disable_all();
rpc_enable(HOTPLUG_FINISH_REQ);
ret = 0;
rpc_pack_type(desc, ret);
rpc_unpack_type(desc, ret);
rpc_disable(HOTPLUG_FINISH_REQ);
CLEAR_KERRIGHED_NODE_FLAGS(KRGFLAGS_RUNNING);
CLEAR_KERRIGHED_CLUSTER_FLAGS(KRGFLAGS_RUNNING);
clusters_status[kerrighed_subsession_id] = CLUSTER_UNDEF;
down_write(&kerrighed_init_sem);
hooks_stop();
up_write(&kerrighed_init_sem);
rpc_close_mask(comm, &prev_online);
rpc_communicator_put(comm);
ctx->ns->rpc_comm = NULL;
CLEAR_KERRIGHED_NODE_FLAGS(KRGFLAGS_STOPPING);
kerrighed_subsession_id = -1;
rpc_enable(CLUSTER_START);
}
static int barrier_notification(struct notifier_block *nb,
hotplug_event_t event,
void *data)
{
switch(event){
case HOTPLUG_NOTIFY_ADD:
rpc_enable(RPC_ENTER_BARRIER);
rpc_enable(RPC_EXIT_BARRIER);
break;
case HOTPLUG_NOTIFY_REMOVE:
/* TODO */
break;
case HOTPLUG_NOTIFY_FAIL:
/* TODO */
break;
default:
BUG();
}
return NOTIFY_OK;
}
