ext4_count_free_clusters
extern ext4_fsblk_t ext4_count_free_clusters(struct super_block *);
ext4_count_free_clusters(sb)));
(err == -ENOSPC && ext4_count_free_clusters(sb))) {
block = ext4_count_free_clusters(sb);
EXPORT_SYMBOL_FOR_EXT4_TEST(ext4_count_free_clusters);
block = ext4_count_free_clusters(sbi->s_sb);