ufs/ffs/ffs_alloc.c

1666 	struct cg *cgp;
1686 	if ((error = ffs_getcg(fs, ump->um_devvp, cg, &bp, &cgp)) != 0)
1689 	blksfree = cg_blksfree(cgp);
1702 	cgp->cg_frsum[i - numfrags(fs, osize)]--;
1704 		cgp->cg_frsum[i - frags]++;
1707 		cgp->cg_cs.cs_nffree--;
1744 	struct cg *cgp;
1757 	if ((error = ffs_getcg(fs, ump->um_devvp, cg, &bp, &cgp)) != 0 ||
1758 	   (cgp->cg_cs.cs_nbfree == 0 && size == fs->fs_bsize))
1773 	blksfree = cg_blksfree(cgp);
1776 		if (cgp->cg_frsum[allocsiz] != 0)
1783 		if (cgp->cg_cs.cs_nbfree == 0)
1794 	bno = ffs_mapsearch(fs, cgp, bpref, allocsiz);
1799 	cgp->cg_cs.cs_nffree -= frags;
1800 	cgp->cg_frsum[allocsiz]--;
1802 		cgp->cg_frsum[allocsiz - frags]++;
1840 	struct cg *cgp;
1850 	cgp = (struct cg *)bp->b_data;
1851 	blksfree = cg_blksfree(cgp);
1853 		bpref = cgbase(fs, cgp->cg_cgx) + cgp->cg_rotor + fs->fs_frag;
1854 	} else if ((cgbpref = dtog(fs, bpref)) != cgp->cg_cgx) {
1857 			bpref = cgmeta(fs, cgp->cg_cgx);
1859 			bpref = cgdata(fs, cgp->cg_cgx);
1870 	bno = ffs_mapsearch(fs, cgp, bpref, (int)fs->fs_frag);
1874 	if (bno >= dtogd(fs, cgdata(fs, cgp->cg_cgx)))
1875 		cgp->cg_rotor = bno;
1879 	ffs_clusteracct(fs, cgp, blkno, -1);
1880 	cgp->cg_cs.cs_nbfree--;
1882 	fs->fs_cs(fs, cgp->cg_cgx).cs_nbfree--;
1884 	blkno = cgbase(fs, cgp->cg_cgx) + bno;
1894 		cgp->cg_cs.cs_nffree += i;
1896 		fs->fs_cs(fs, cgp->cg_cgx).cs_nffree += i;
1898 		cgp->cg_frsum[i]++;
1923 	struct cg *cgp;
1937 	if ((error = ffs_getcg(fs, ump->um_devvp, cg, &bp, &cgp)) != 0) {
1945 	lp = &cg_clustersum(cgp)[len];
1957 		lp = &cg_clustersum(cgp)[len - 1];
1982 	mapp = &cg_clustersfree(cgp)[bpref / NBBY];
1985 	for (run = 0, got = bpref; got < cgp->cg_nclusterblks; got++) {
2000 	if (got >= cgp->cg_nclusterblks) {
2008 	blksfree = cg_blksfree(cgp);
2065 	struct cg *cgp;
2079 	if ((error = ffs_getcg(fs, ump->um_devvp, cg, &bp, &cgp)) != 0) {
2084 	if (cgp->cg_cs.cs_nifree == 0) {
2089 	inosused = cg_inosused(cgp);
2095 	start = cgp->cg_irotor / NBBY;
2096 	len = howmany(fs->fs_ipg - cgp->cg_irotor, NBBY);
2104 			    cg, (long)cgp->cg_irotor, fs->fs_fsmnt);
2115 	    ipref + INOPB(fs) > cgp->cg_initediblk &&
2116 	    cgp->cg_initediblk < cgp->cg_niblk) {
2117 		old_initediblk = cgp->cg_initediblk;
2176 		error = ffs_getcg(fs, ump->um_devvp, cg, &bp, &cgp);
2182 		if (cgp->cg_initediblk == old_initediblk)
2183 			cgp->cg_initediblk += INOPB(fs);
2186 	cgp->cg_irotor = ipref;
2190 	cgp->cg_cs.cs_nifree--;
2195 		cgp->cg_cs.cs_ndir++;
2224 	struct cg *cgp;
2258 	if ((error = ffs_getcg(fs, devvp, cg, &bp, &cgp)) != 0)
2261 	blksfree = cg_blksfree(cgp);
2277 		ffs_clusteracct(fs, cgp, fragno, 1);
2278 		cgp->cg_cs.cs_nbfree++;
2287 		ffs_fragacct(fs, blk, cgp->cg_frsum, -1);
2301 		cgp->cg_cs.cs_nffree += i;
2308 		ffs_fragacct(fs, blk, cgp->cg_frsum, 1);
2314 			cgp->cg_cs.cs_nffree -= fs->fs_frag;
2317 			ffs_clusteracct(fs, cgp, fragno, 1);
2318 			cgp->cg_cs.cs_nbfree++;
2694 	struct cg *cgp;
2708 	error = ffs_getcg(fs, ITODEVVP(ip), dtog(fs, bno), &bp, &cgp);
2711 	blksfree = cg_blksfree(cgp);
2760 	struct cg *cgp;
2782 	if ((error = ffs_getcg(fs, devvp, cg, &bp, &cgp)) != 0)
2784 	inosused = cg_inosused(cgp);
2793 	if (ino < cgp->cg_irotor)
2794 		cgp->cg_irotor = ino;
2795 	cgp->cg_cs.cs_nifree++;
2800 		cgp->cg_cs.cs_ndir--;
2824 	struct cg *cgp;
2835 	if ((error = ffs_getcg(fs, devvp, cg, &bp, &cgp)) != 0)
2837 	inosused = cg_inosused(cgp);
2851 ffs_mapsearch(fs, cgp, bpref, allocsiz)
2853 	struct cg *cgp;
2869 		start = cgp->cg_frotor / NBBY;
2870 	blksfree = cg_blksfree(cgp);
2889 	cgp->cg_frotor = bno;
2932 	struct cg *cgp;
2947 	cgp = (struct cg *)bp->b_data;
2950 	    cgp->cg_ckhash != bp->b_ckhash) {
2952 		printf("UFS %s%s (%s) cylinder checksum failed: cg %u, cgp: "
2956 		    cg, cgp->cg_ckhash, (uintmax_t)bp->b_ckhash);
2962 	if (!cg_chkmagic(cgp) || cgp->cg_cgx != cg) {
2967 		if (!cg_chkmagic(cgp))
2969 			    cg, cgp->cg_magic, CG_MAGIC);
2972 			    cgp->cg_cgx);
2991 		cgp->cg_old_time = cgp->cg_time = time_second;
2993 	*cgpp = cgp;
3002 	struct cg *cgp;
3004 	cgp = (struct cg *)bp->b_data;
3005 	ckhash = cgp->cg_ckhash;
3006 	cgp->cg_ckhash = 0;
3008 	cgp->cg_ckhash = ckhash;