C++ (Cpp) configfs_create_link Beispiele

Beispiel #1

Datei: symlink.c Projekt: 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;
}

Beispiel #2

Datei: symlink.c Projekt: 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;
}