free_nid_root     819 fs/f2fs/f2fs.h 	struct radix_tree_root free_nid_root;/* root of the free_nid cache */
free_nid_root    2051 fs/f2fs/node.c 	return radix_tree_lookup(&nm_i->free_nid_root, n);
free_nid_root    2059 fs/f2fs/node.c 	int err = radix_tree_insert(&nm_i->free_nid_root, i->nid, i);
free_nid_root    2079 fs/f2fs/node.c 	radix_tree_delete(&nm_i->free_nid_root, i->nid);
free_nid_root    3027 fs/f2fs/node.c 	INIT_RADIX_TREE(&nm_i->free_nid_root, GFP_ATOMIC);