tag	line	file	source code
block_bitmap	100	fs/ext2/balloc.c	struct buffer_head * block_bitmap;
block_bitmap	128	fs/ext2/balloc.c	block_bitmap = sb->u.ext2_sb.s_block_bitmap[i];
block_bitmap	136	fs/ext2/balloc.c	sb->u.ext2_sb.s_block_bitmap[0] = block_bitmap;