sbin/growfs/growfs.c

105 #define	acg	cgun1.cg	/* a cylinder cgroup (new) */
346 	memset(&acg, 0, sblock.fs_cgsize);
347 	acg.cg_time = modtime;
348 	acg.cg_magic = CG_MAGIC;
349 	acg.cg_cgx = cylno;
350 	acg.cg_niblk = sblock.fs_ipg;
351 	acg.cg_initediblk = MIN(sblock.fs_ipg, 2 * INOPB(&sblock));
352 	acg.cg_ndblk = dmax - cbase;
354 		acg.cg_nclusterblks = acg.cg_ndblk / sblock.fs_frag;
355 	start = &acg.cg_space[0] - (u_char *)(&acg.cg_firstfield);
357 		acg.cg_iusedoff = start;
359 		acg.cg_old_ncyl = sblock.fs_old_cpg;
360 		acg.cg_old_time = acg.cg_time;
361 		acg.cg_time = 0;
362 		acg.cg_old_niblk = acg.cg_niblk;
363 		acg.cg_niblk = 0;
364 		acg.cg_initediblk = 0;
365 		acg.cg_old_btotoff = start;
366 		acg.cg_old_boff = acg.cg_old_btotoff +
368 		acg.cg_iusedoff = acg.cg_old_boff +
371 	acg.cg_freeoff = acg.cg_iusedoff + howmany(sblock.fs_ipg, CHAR_BIT);
372 	acg.cg_nextfreeoff = acg.cg_freeoff + howmany(sblock.fs_fpg, CHAR_BIT);
374 		acg.cg_clustersumoff =
375 		    roundup(acg.cg_nextfreeoff, sizeof(u_int32_t));
376 		acg.cg_clustersumoff -= sizeof(u_int32_t);
377 		acg.cg_clusteroff = acg.cg_clustersumoff +
379 		acg.cg_nextfreeoff = acg.cg_clusteroff +
382 	if (acg.cg_nextfreeoff > (unsigned)sblock.fs_cgsize) {
389 	acg.cg_cs.cs_nifree += sblock.fs_ipg;
392 			setbit(cg_inosused(&acg), ino);
393 			acg.cg_cs.cs_nifree--;
418 			setblock(&sblock, cg_blksfree(&acg), blkno);
420 				setbit(cg_clustersfree(&acg), blkno);
421 			acg.cg_cs.cs_nbfree++;
425 	sblock.fs_dsize += acg.cg_ndblk - dupper;
427 		acg.cg_frsum[sblock.fs_frag - i]++;
429 			setbit(cg_blksfree(&acg), dupper);
430 			acg.cg_cs.cs_nffree++;
433 	for (d = dupper; d + sblock.fs_frag <= acg.cg_ndblk;
436 		setblock(&sblock, cg_blksfree(&acg), blkno);
438 			setbit(cg_clustersfree(&acg), blkno);
439 		acg.cg_cs.cs_nbfree++;
441 	if (d < acg.cg_ndblk) {
442 		acg.cg_frsum[acg.cg_ndblk - d]++;
443 		for (; d < acg.cg_ndblk; d++) {
444 			setbit(cg_blksfree(&acg), d);
445 			acg.cg_cs.cs_nffree++;
449 		int32_t *sump = cg_clustersum(&acg);
450 		u_char *mapp = cg_clustersfree(&acg);
455 		for (i = 0; i < acg.cg_nclusterblks; i++) {
477 	sblock.fs_cstotal.cs_ndir += acg.cg_cs.cs_ndir;
478 	sblock.fs_cstotal.cs_nffree += acg.cg_cs.cs_nffree;
479 	sblock.fs_cstotal.cs_nbfree += acg.cg_cs.cs_nbfree;
480 	sblock.fs_cstotal.cs_nifree += acg.cg_cs.cs_nifree;
481 	*cs = acg.cg_cs;
483 	memcpy(iobuf, &acg, sblock.fs_cgsize);
489 	DBG_DUMP_CG(&sblock, "new cg", &acg);
520 		if (isset(cg_blksfree(&acg), f)) {
527 				acg.cg_frsum[fragsize] += sign;
538 		acg.cg_frsum[fragsize] += sign;
590 			acg.cg_old_ncyl = sblock.fs_old_cpg;
593 		    (size_t)sblock.fs_cgsize, (void *)&acg, fso, Nflag);
595 		DBG_DUMP_CG(&sblock, "new joining cg", &acg);
621 	acg.cg_time = modtime;
627 			acg.cg_old_ncyl =
630 		acg.cg_old_ncyl = sblock.fs_old_cpg;
635 		DBG_PRINT2("%d %u", acg.cg_old_ncyl, sblock.fs_old_cpg);
638 	acg.cg_ndblk = dmax - cbase;
639 	sblock.fs_dsize += acg.cg_ndblk - aocg.cg_ndblk;
641 		acg.cg_nclusterblks = acg.cg_ndblk / sblock.fs_frag;
666 				setbit(cg_blksfree(&acg), i);
667 				acg.cg_cs.cs_nffree++;
676 			if (isblock(&sblock, cg_blksfree(&acg),
683 				acg.cg_frsum[osblock.fs_size % sblock.fs_frag]--;
684 				acg.cg_cs.cs_nbfree++;
685 				acg.cg_cs.cs_nffree -= sblock.fs_frag;
696 				while (isset(cg_blksfree(&acg), i) &&
703 					acg.cg_frsum[k]--;
704 				acg.cg_frsum[k + j]++;
713 				setbit(cg_blksfree(&acg), i);
714 				acg.cg_cs.cs_nffree++;
721 			while (isset(cg_blksfree(&acg), i) &&
728 				acg.cg_frsum[k]--;
729 			acg.cg_frsum[k + j]++;
740 		setblock(&sblock, cg_blksfree(&acg), j);
742 		acg.cg_cs.cs_nbfree++;
751 		acg.cg_frsum[dmax - cbase - i]++;
753 			setbit(cg_blksfree(&acg), i);
754 			acg.cg_cs.cs_nffree++;
759 	    (acg.cg_cs.cs_nffree - aocg.cg_cs.cs_nffree);
761 	    (acg.cg_cs.cs_nbfree - aocg.cg_cs.cs_nbfree);
769 	*cs = acg.cg_cs;
775 	    (void *)&acg, fso, Nflag);
777 	DBG_DUMP_CG(&sblock, "new joining cg", &acg);
836 	acg.cg_time = modtime;
881 			if (isclr(cg_clustersfree(&acg), block))
901 			setbit(cg_blksfree(&acg), d % sblock.fs_fpg);
902 			acg.cg_cs.cs_nffree++;
912 		if (isblock(&sblock, cg_blksfree(&acg),
915 			acg.cg_cs.cs_nffree -= sblock.fs_frag;
916 			acg.cg_cs.cs_nbfree++;
920 				setbit(cg_clustersfree(&acg),
924 						cg_clustersum(&acg)[lcs]--;
926 					cg_clustersum(&acg)[lcs]++;
942 		setblock(&sblock, cg_blksfree(&acg),
944 		acg.cg_cs.cs_nbfree++;
947 			setbit(cg_clustersfree(&acg),
954 					cg_clustersum(&acg)[lcs]--;
956 				cg_clustersum(&acg)[lcs]++;
960 	*cs = acg.cg_cs;
967 	    (size_t)sblock.fs_cgsize, (void *)&acg, fso, Nflag);
969 	DBG_DUMP_CG(&sblock, "old summary cg", &acg);
1008 		clrblock(&sblock, cg_blksfree(&acg),
1010 		acg.cg_cs.cs_nbfree--;
1013 			clrbit(cg_clustersfree(&acg),
1025 			clrbit(cg_blksfree(&acg), d % sblock.fs_fpg);
1026 			acg.cg_cs.cs_nffree--;
1029 		acg.cg_cs.cs_nbfree--;
1030 		acg.cg_cs.cs_nffree += sblock.fs_frag;
1034 			clrbit(cg_clustersfree(&acg),
1052 	*cs = acg.cg_cs;
1059 	    (size_t)sblock.fs_cgsize, (void *)&acg, fso, Nflag);
1061 	DBG_DUMP_CG(&sblock, "new summary cg", &acg);
1680  * assume that sblock, osblock, acg are set up.
1695 	setbit(cg_clustersfree(&acg), block);
1705 			if (isclr(cg_clustersfree(&acg), block))
1711 			cg_clustersum(&acg)[lcs]--;
1713 		cg_clustersum(&acg)[lcs]++;