btrfs_set_tree_block_level 4320 fs/btrfs/extent-tree.c 		btrfs_set_tree_block_level(leaf, block_info, ref->level);
btrfs_set_tree_block_level   53 fs/btrfs/tests/qgroup-tests.c 	btrfs_set_tree_block_level(leaf, block_info, 0);