コード例 #1
0
ファイル: symlink.c プロジェクト: 274914765/C 
static int create_link(struct config_item *parent_item,
               struct config_item *item,
               struct dentry *dentry)
{
    struct configfs_dirent *target_sd = item->ci_dentry->d_fsdata;
    struct configfs_symlink *sl;
    int ret;

    ret = -ENOMEM;
    sl = kmalloc(sizeof(struct configfs_symlink), GFP_KERNEL);
    if (sl) {
        sl->sl_target = config_item_get(item);
        /* FIXME: needs a lock, I'd bet */
        list_add(&sl->sl_list, &target_sd->s_links);
        ret = configfs_create_link(sl, parent_item->ci_dentry,
                       dentry);
        if (ret) {
            list_del_init(&sl->sl_list);
            config_item_put(item);
            kfree(sl);
        }
    }

    return ret;
}
コード例 #2
0
struct o2nm_node *o2nm_get_node_by_num(u8 node_num)
{
	struct o2nm_node *node = NULL;

	if (node_num >= O2NM_MAX_NODES || o2nm_single_cluster == NULL)
		goto out;

	read_lock(&o2nm_single_cluster->cl_nodes_lock);
	node = o2nm_single_cluster->cl_nodes[node_num];
	if (node)
		config_item_get(&node->nd_item);
	read_unlock(&o2nm_single_cluster->cl_nodes_lock);
out:
	return node;
}
コード例 #3
0
struct o2nm_node *o2nm_get_node_by_ip(__be32 addr)
{
	struct o2nm_node *node = NULL;
	struct o2nm_cluster *cluster = o2nm_single_cluster;

	if (cluster == NULL)
		goto out;

	read_lock(&cluster->cl_nodes_lock);
	node = o2nm_node_ip_tree_lookup(cluster, addr, NULL, NULL);
	if (node)
		config_item_get(&node->nd_item);
	read_unlock(&cluster->cl_nodes_lock);

out:
	return node;
}
コード例 #4
0
ファイル: symlink.c プロジェクト: rrowicki/Chrono_Kernel-1 
static int create_link(struct config_item *parent_item,
		       struct config_item *item,
		       struct dentry *dentry)
{
	struct configfs_dirent *target_sd = item->ci_dentry->d_fsdata;
	struct configfs_symlink *sl;
	int ret;

	ret = -ENOENT;
	if (!configfs_dirent_is_ready(target_sd))
		goto out;
	ret = -ENOMEM;
	sl = kmalloc(sizeof(struct configfs_symlink), GFP_KERNEL);
	if (sl) {
		sl->sl_target = config_item_get(item);
		spin_lock(&configfs_dirent_lock);
		if (target_sd->s_type & CONFIGFS_USET_DROPPING) {
			spin_unlock(&configfs_dirent_lock);
			config_item_put(item);
			kfree(sl);
			return -ENOENT;
		}
		list_add(&sl->sl_list, &target_sd->s_links);
		spin_unlock(&configfs_dirent_lock);
		ret = configfs_create_link(sl, parent_item->ci_dentry,
					   dentry);
		if (ret) {
			spin_lock(&configfs_dirent_lock);
			list_del_init(&sl->sl_list);
			spin_unlock(&configfs_dirent_lock);
			config_item_put(item);
			kfree(sl);
		}
	}

out:
	return ret;
}
コード例 #5
0
void o2nm_node_get(struct o2nm_node *node)
{
	config_item_get(&node->nd_item);
}
コード例 #6
0
/*
 * Targets that were created by parsing the boot/module option string
 * do not exist in the configfs hierarchy (and have NULL names) and will
 * never go away, so make these a no-op for them.
 */
static void netconsole_target_get(struct netconsole_target *nt)
{
	if (config_item_name(&nt->item))
		config_item_get(&nt->item);
}