overhead 673 ufs/ext2fs/ext2fs_vfsops.c u_int32_t overhead, overhead_per_group; overhead 687 ufs/ext2fs/ext2fs_vfsops.c overhead = fs->e2fs.e2fs_first_dblock + overhead 698 ufs/ext2fs/ext2fs_vfsops.c overhead += ngroups * (1 + fs->e2fs_ngdb); overhead 702 ufs/ext2fs/ext2fs_vfsops.c sbp->f_blocks = fs->e2fs.e2fs_bcount - overhead;