Ejemplo n.º 1
0
/*
 * initialise the AFS client FS module
 */
static int __init afs_init(void)
{
	int ret;

	printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 registering.\n");

	ret = afs_get_client_UUID();
	if (ret < 0)
		return ret;

	/* create workqueue */
	ret = -ENOMEM;
	afs_wq = alloc_workqueue("afs", 0, 0);
	if (!afs_wq)
		return ret;

	/* register the /proc stuff */
	ret = afs_proc_init();
	if (ret < 0)
		goto error_proc;

#ifdef CONFIG_AFS_FSCACHE
	/* we want to be able to cache */
	ret = fscache_register_netfs(&afs_cache_netfs);
	if (ret < 0)
		goto error_cache;
#endif

	/* initialise the cell DB */
	ret = afs_cell_init(rootcell);
	if (ret < 0)
		goto error_cell_init;

	/* initialise the VL update process */
	ret = afs_vlocation_update_init();
	if (ret < 0)
		goto error_vl_update_init;

	/* initialise the callback update process */
	ret = afs_callback_update_init();
	if (ret < 0)
		goto error_callback_update_init;

	/* create the RxRPC transport */
	ret = afs_open_socket();
	if (ret < 0)
		goto error_open_socket;

	/* register the filesystems */
	ret = afs_fs_init();
	if (ret < 0)
		goto error_fs;

	return ret;

error_fs:
	afs_close_socket();
error_open_socket:
	afs_callback_update_kill();
error_callback_update_init:
	afs_vlocation_purge();
error_vl_update_init:
	afs_cell_purge();
error_cell_init:
#ifdef CONFIG_AFS_FSCACHE
	fscache_unregister_netfs(&afs_cache_netfs);
error_cache:
#endif
	afs_proc_cleanup();
error_proc:
	destroy_workqueue(afs_wq);
	rcu_barrier();
	printk(KERN_ERR "kAFS: failed to register: %d\n", ret);
	return ret;
}
Ejemplo n.º 2
0
/*
 * Initialise an AFS network namespace record.
 */
static int __net_init afs_net_init(struct afs_net *net)
{
	struct afs_sysnames *sysnames;
	int ret;

	net->live = true;
	generate_random_uuid((unsigned char *)&net->uuid);

	INIT_WORK(&net->charge_preallocation_work, afs_charge_preallocation);
	mutex_init(&net->socket_mutex);

	net->cells = RB_ROOT;
	seqlock_init(&net->cells_lock);
	INIT_WORK(&net->cells_manager, afs_manage_cells);
	timer_setup(&net->cells_timer, afs_cells_timer, 0);

	spin_lock_init(&net->proc_cells_lock);
	INIT_LIST_HEAD(&net->proc_cells);

	seqlock_init(&net->fs_lock);
	net->fs_servers = RB_ROOT;
	INIT_LIST_HEAD(&net->fs_updates);
	INIT_HLIST_HEAD(&net->fs_proc);

	INIT_HLIST_HEAD(&net->fs_addresses4);
	INIT_HLIST_HEAD(&net->fs_addresses6);
	seqlock_init(&net->fs_addr_lock);

	INIT_WORK(&net->fs_manager, afs_manage_servers);
	timer_setup(&net->fs_timer, afs_servers_timer, 0);

	ret = -ENOMEM;
	sysnames = kzalloc(sizeof(*sysnames), GFP_KERNEL);
	if (!sysnames)
		goto error_sysnames;
	sysnames->subs[0] = (char *)&afs_init_sysname;
	sysnames->nr = 1;
	refcount_set(&sysnames->usage, 1);
	net->sysnames = sysnames;
	rwlock_init(&net->sysnames_lock);

	/* Register the /proc stuff */
	ret = afs_proc_init(net);
	if (ret < 0)
		goto error_proc;

	/* Initialise the cell DB */
	ret = afs_cell_init(net, rootcell);
	if (ret < 0)
		goto error_cell_init;

	/* Create the RxRPC transport */
	ret = afs_open_socket(net);
	if (ret < 0)
		goto error_open_socket;

	return 0;

error_open_socket:
	net->live = false;
	afs_cell_purge(net);
	afs_purge_servers(net);
error_cell_init:
	net->live = false;
	afs_proc_cleanup(net);
error_proc:
	afs_put_sysnames(net->sysnames);
error_sysnames:
	net->live = false;
	return ret;
}
Ejemplo n.º 3
0
/*
 * initialise the AFS client FS module
 */
static int __init afs_init(void)
{
	int ret;

	printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 registering.\n");

	ret = afs_get_client_UUID();
	if (ret < 0)
		return ret;

	/* register the /proc stuff */
	ret = afs_proc_init();
	if (ret < 0)
		return ret;

#ifdef AFS_CACHING_SUPPORT
	/* we want to be able to cache */
	ret = cachefs_register_netfs(&afs_cache_netfs,
				     &afs_cache_cell_index_def);
	if (ret < 0)
		goto error_cache;
#endif

	/* initialise the cell DB */
	ret = afs_cell_init(rootcell);
	if (ret < 0)
		goto error_cell_init;

	/* initialise the VL update process */
	ret = afs_vlocation_update_init();
	if (ret < 0)
		goto error_vl_update_init;

	/* initialise the callback update process */
	ret = afs_callback_update_init();

	/* create the RxRPC transport */
	ret = afs_open_socket();
	if (ret < 0)
		goto error_open_socket;

	/* register the filesystems */
	ret = afs_fs_init();
	if (ret < 0)
		goto error_fs;

	return ret;

error_fs:
	afs_close_socket();
error_open_socket:
error_vl_update_init:
error_cell_init:
#ifdef AFS_CACHING_SUPPORT
	cachefs_unregister_netfs(&afs_cache_netfs);
error_cache:
#endif
	afs_callback_update_kill();
	afs_vlocation_purge();
	afs_cell_purge();
	afs_proc_cleanup();
	rcu_barrier();
	printk(KERN_ERR "kAFS: failed to register: %d\n", ret);
	return ret;
}
Ejemplo n.º 4
0
static int __init afs_init(void)
{
	int ret;

	printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 registering.\n");

	ret = afs_get_client_UUID();
	if (ret < 0)
		return ret;

	/*                  */
	ret = -ENOMEM;
	afs_wq = alloc_workqueue("afs", 0, 0);
	if (!afs_wq)
		return ret;

	/*                          */
	ret = afs_proc_init();
	if (ret < 0)
		goto error_proc;

#ifdef CONFIG_AFS_FSCACHE
	/*                             */
	ret = fscache_register_netfs(&afs_cache_netfs);
	if (ret < 0)
		goto error_cache;
#endif

	/*                        */
	ret = afs_cell_init(rootcell);
	if (ret < 0)
		goto error_cell_init;

	/*                                  */
	ret = afs_vlocation_update_init();
	if (ret < 0)
		goto error_vl_update_init;

	/*                                        */
	ret = afs_callback_update_init();
	if (ret < 0)
		goto error_callback_update_init;

	/*                            */
	ret = afs_open_socket();
	if (ret < 0)
		goto error_open_socket;

	/*                          */
	ret = afs_fs_init();
	if (ret < 0)
		goto error_fs;

	return ret;

error_fs:
	afs_close_socket();
error_open_socket:
	afs_callback_update_kill();
error_callback_update_init:
	afs_vlocation_purge();
error_vl_update_init:
	afs_cell_purge();
error_cell_init:
#ifdef CONFIG_AFS_FSCACHE
	fscache_unregister_netfs(&afs_cache_netfs);
error_cache:
#endif
	afs_proc_cleanup();
error_proc:
	destroy_workqueue(afs_wq);
	rcu_barrier();
	printk(KERN_ERR "kAFS: failed to register: %d\n", ret);
	return ret;
}