efs_bread
err = efs_bread(emp, bboff, l, &bp);
err = efs_bread(emp, ex->ex_bn + i, NULL, &bp);
err = efs_bread(emp, ex.ex_bn, NULL, &bp);
err = efs_bread(emp, ex.ex_bn + bboff, NULL, &bp);
err = efs_bread(VFSTOEFS(eip->ei_vp->v_mount),
int efs_bread(struct efs_mount *, uint32_t, struct lwp *, struct buf **);
err = efs_bread(emp, be32toh(emp->em_sb.sb_replsb), l, &rbp);
err = efs_bread(emp, be32toh(emp->em_sb.sb_size) - 1, l, &bp);
err = efs_bread(emp, EFS_BB_SB, l, &bp);
err = efs_bread(VFSTOEFS(ap->a_vp->v_mount),
err = efs_bread(VFSTOEFS(ap->a_vp->v_mount),