btrfs_set_free_space_extent_count   68 fs/btrfs/free-space-tree.c 	btrfs_set_free_space_extent_count(leaf, info, 0);
btrfs_set_free_space_extent_count  477 fs/btrfs/free-space-tree.c 	btrfs_set_free_space_extent_count(path->nodes[0], info, extent_count);