ext2_count_free  1489 fs/ext2/balloc.c 		x = ext2_count_free(bitmap_bh, sb->s_blocksize);
ext2_count_free   753 fs/ext2/ext2.h extern unsigned long ext2_count_free (struct buffer_head *, unsigned);
ext2_count_free   644 fs/ext2/ialloc.c 		x = ext2_count_free(bitmap_bh, EXT2_INODES_PER_GROUP(sb) / 8);