static void print_itree(struct inode_tree *itree)
{
struct itree_node *cur, *tmp;
fprintf(stdout, "itree: printing inodes tree\n");
rbtree_postorder_for_each_entry_safe(cur, tmp, &itree->inodes, inodes_node)
fprintf(stdout, "\tuuid %lld, inode %ld: %lld pages in memory\n",
cur->uuid, DUET_UUID_INO(cur->uuid), cur->inmem);
fprintf(stdout, "itree: printing sorted tree\n");
rbtree_postorder_for_each_entry_safe(cur, tmp, &itree->sorted, sorted_node)
fprintf(stdout, "\tuuid %lld, inode %ld: %lld pages in memory\n",
cur->uuid, DUET_UUID_INO(cur->uuid), cur->inmem);
}
static void
rbtree_destroy(struct rb_root *root)
{
struct iface_node *node, *next;
rbtree_postorder_for_each_entry_safe(node, next, root, node)
kfree(node);
*root = RB_ROOT;
}
/* Called when the filesystem is unmounted */
void ext4_release_system_zone(struct super_block *sb)
{
struct ext4_system_zone *entry, *n;
rbtree_postorder_for_each_entry_safe(entry, n,
&EXT4_SB(sb)->system_blks, node)
kmem_cache_free(ext4_system_zone_cachep, entry);
EXT4_SB(sb)->system_blks = RB_ROOT;
}
/* frees all zswap entries for the given swap type */
static void zswap_frontswap_invalidate_area(unsigned type)
{
struct zswap_tree *tree = zswap_trees[type];
struct zswap_entry *entry, *n;
if (!tree)
return;
/* walk the tree and free everything */
spin_lock(&tree->lock);
rbtree_postorder_for_each_entry_safe(entry, n, &tree->rbroot, rbnode)
zswap_free_entry(entry);
tree->rbroot = RB_ROOT;
spin_unlock(&tree->lock);
kfree(tree);
zswap_trees[type] = NULL;
}
