boot_bh 337 fs/affs/super.c struct buffer_head *boot_bh; boot_bh 454 fs/affs/super.c boot_bh = sb_bread(sb, 0); boot_bh 455 fs/affs/super.c if (!boot_bh) { boot_bh 459 fs/affs/super.c memcpy(sig, boot_bh->b_data, 4); boot_bh 460 fs/affs/super.c brelse(boot_bh);