ext4_count_free   719 fs/ext4/balloc.c 		x = ext4_count_free(bitmap_bh->b_data,
ext4_count_free  2312 fs/ext4/ext4.h extern unsigned int ext4_count_free(char *bitmap, unsigned numchars);
ext4_count_free  1299 fs/ext4/ialloc.c 		x = ext4_count_free(bitmap_bh->b_data,
ext4_count_free  3516 fs/ext4/super.c 		ext4_count_free(buf, EXT4_CLUSTERS_PER_GROUP(sb) / 8);