C++ (Cpp) __detach_extent_node Examples

Example #1

File: extent_cache.c Project: DenisLug/mptcp

static unsigned int __free_extent_tree(struct f2fs_sb_info *sbi,
					struct extent_tree *et, bool free_all)
{
	struct rb_node *node, *next;
	struct extent_node *en;
	unsigned int count = et->count;

	node = rb_first(&et->root);
	while (node) {
		next = rb_next(node);
		en = rb_entry(node, struct extent_node, rb_node);

		if (free_all) {
			spin_lock(&sbi->extent_lock);
			if (!list_empty(&en->list))
				list_del_init(&en->list);
			spin_unlock(&sbi->extent_lock);
		}

		if (free_all || list_empty(&en->list)) {
			__detach_extent_node(sbi, et, en);
			kmem_cache_free(extent_node_slab, en);
		}
		node = next;
	}

	return count - et->count;
}

Example #2

File: extent_cache.c Project: AK101111/linux

/*
 * Flow to release an extent_node:
 * 1. list_del_init
 * 2. __detach_extent_node
 * 3. kmem_cache_free.
 */
static void __release_extent_node(struct f2fs_sb_info *sbi,
			struct extent_tree *et, struct extent_node *en)
{
	spin_lock(&sbi->extent_lock);
	f2fs_bug_on(sbi, list_empty(&en->list));
	list_del_init(&en->list);
	spin_unlock(&sbi->extent_lock);

	__detach_extent_node(sbi, et, en);
}