BBLOCK            543 ntfs/ntfs_vfsops.c 	error = bread(devvp, BBLOCK, BBSIZE, NOCRED, &bp);
BBLOCK             59 ufs/ext2fs/ext2fs.h #define	SBLOCK		((daddr_t)(BBLOCK + BBSIZE / DEV_BSIZE))
BBLOCK             64 ufs/ffs/fs.h   #define	SBLOCK		((daddr_t)(BBLOCK + BBSIZE / DEV_BSIZE))