sbin/newfs/mkfs.c

78 #define	acg	disk.d_cg
682 	memset(&acg, 0, sblock.fs_cgsize);
683 	acg.cg_time = utime;
684 	acg.cg_magic = CG_MAGIC;
685 	acg.cg_cgx = cylno;
686 	acg.cg_niblk = sblock.fs_ipg;
687 	acg.cg_initediblk = MIN(sblock.fs_ipg, 2 * INOPB(&sblock));
688 	acg.cg_ndblk = dmax - cbase;
690 		acg.cg_nclusterblks = acg.cg_ndblk / sblock.fs_frag;
691 	start = &acg.cg_space[0] - (u_char *)(&acg.cg_firstfield);
693 		acg.cg_iusedoff = start;
695 		acg.cg_old_ncyl = sblock.fs_old_cpg;
696 		acg.cg_old_time = acg.cg_time;
697 		acg.cg_time = 0;
698 		acg.cg_old_niblk = acg.cg_niblk;
699 		acg.cg_niblk = 0;
700 		acg.cg_initediblk = 0;
701 		acg.cg_old_btotoff = start;
702 		acg.cg_old_boff = acg.cg_old_btotoff +
704 		acg.cg_iusedoff = acg.cg_old_boff +
707 	acg.cg_freeoff = acg.cg_iusedoff + howmany(sblock.fs_ipg, CHAR_BIT);
708 	acg.cg_nextfreeoff = acg.cg_freeoff + howmany(sblock.fs_fpg, CHAR_BIT);
710 		acg.cg_clustersumoff =
711 		    roundup(acg.cg_nextfreeoff, sizeof(u_int32_t));
712 		acg.cg_clustersumoff -= sizeof(u_int32_t);
713 		acg.cg_clusteroff = acg.cg_clustersumoff +
715 		acg.cg_nextfreeoff = acg.cg_clusteroff +
718 	if (acg.cg_nextfreeoff > (unsigned)sblock.fs_cgsize) {
722 	acg.cg_cs.cs_nifree += sblock.fs_ipg;
725 			setbit(cg_inosused(&acg), i);
726 			acg.cg_cs.cs_nifree--;
735 			setblock(&sblock, cg_blksfree(&acg), blkno);
737 				setbit(cg_clustersfree(&acg), blkno);
738 			acg.cg_cs.cs_nbfree++;
742 		acg.cg_frsum[sblock.fs_frag - i]++;
744 			setbit(cg_blksfree(&acg), dupper);
745 			acg.cg_cs.cs_nffree++;
748 	for (d = dupper; d + sblock.fs_frag <= acg.cg_ndblk;
751 		setblock(&sblock, cg_blksfree(&acg), blkno);
753 			setbit(cg_clustersfree(&acg), blkno);
754 		acg.cg_cs.cs_nbfree++;
756 	if (d < acg.cg_ndblk) {
757 		acg.cg_frsum[acg.cg_ndblk - d]++;
758 		for (; d < acg.cg_ndblk; d++) {
759 			setbit(cg_blksfree(&acg), d);
760 			acg.cg_cs.cs_nffree++;
764 		int32_t *sump = cg_clustersum(&acg);
765 		u_char *mapp = cg_clustersfree(&acg);
770 		for (i = 0; i < acg.cg_nclusterblks; i++) {
792 	*cs = acg.cg_cs;
798 	bcopy((char *)&acg, &iobuf[start], sblock.fs_cgsize);
802 	for (i = 0; i < acg.cg_initediblk; i++) {
970 	bread(&disk, part_ofs + fsbtodb(&sblock, cgtod(&sblock, 0)), (char *)&acg,
972 	if (acg.cg_magic != CG_MAGIC) {
976 	if (acg.cg_cs.cs_nbfree == 0) {
980 	for (d = 0; d < acg.cg_ndblk; d += sblock.fs_frag)
981 		if (isblock(&sblock, cg_blksfree(&acg), d / sblock.fs_frag))
987 	clrblock(&sblock, cg_blksfree(&acg), blkno);
989 		clrbit(cg_clustersfree(&acg), blkno);
990 	acg.cg_cs.cs_nbfree--;
994 		acg.cg_cs.cs_ndir++;
1002 		acg.cg_cs.cs_nffree += sblock.fs_frag - frag;
1003 		acg.cg_frsum[sblock.fs_frag - frag]++;
1005 			setbit(cg_blksfree(&acg), d + i);
1009 	    (char *)&acg);
1021 	bread(&disk, part_ofs + fsbtodb(&sblock, cgtod(&sblock, 0)), (char *)&acg,
1023 	if (acg.cg_magic != CG_MAGIC) {
1027 	acg.cg_cs.cs_nifree--;
1028 	setbit(cg_inosused(&acg), ino);
1030 	    (char *)&acg);