2 * Copyright (c) 1980, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 static const char sccsid[] = "@(#)pass5.c 8.9 (Berkeley) 4/28/95";
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.h>
39 #include <sys/sysctl.h>
41 #include <ufs/ufs/dinode.h>
42 #include <ufs/ffs/fs.h>
51 static void check_maps(u_char *, u_char *, int, ufs2_daddr_t, const char *, int *, int, int);
56 int c, i, j, blk, frags, basesize, mapsize;
57 int inomapsize, blkmapsize;
58 struct fs *fs = &sblock;
59 struct cg *cg = &cgrp;
60 ufs2_daddr_t d, dbase, dmax;
61 int excessdirs, rewritecg = 0;
63 struct csum_total cstotal;
64 struct inodesc idesc[3];
66 struct cg *newcg = (struct cg *)buf;
68 inoinfo(WINO)->ino_state = USTATE;
69 memset(newcg, 0, (size_t)fs->fs_cgsize);
70 newcg->cg_niblk = fs->fs_ipg;
72 if (fs->fs_maxcontig < 2 && fs->fs_contigsumsize > 0) {
74 pwarn("DELETING CLUSTERING MAPS\n");
75 if (preen || reply("DELETE CLUSTERING MAPS")) {
76 fs->fs_contigsumsize = 0;
81 if (fs->fs_maxcontig > 1) {
84 if (fs->fs_contigsumsize < 1) {
86 } else if (fs->fs_contigsumsize < fs->fs_maxcontig &&
87 fs->fs_contigsumsize < FS_MAXCONTIG) {
91 i = fs->fs_contigsumsize;
92 fs->fs_contigsumsize =
93 MIN(fs->fs_maxcontig, FS_MAXCONTIG);
94 if (CGSIZE(fs) > (u_int)fs->fs_bsize) {
95 pwarn("CANNOT %s CLUSTER MAPS\n", doit);
96 fs->fs_contigsumsize = i;
98 reply("CREATE CLUSTER MAPS")) {
100 pwarn("%sING CLUSTER MAPS\n",
103 fragroundup(fs, CGSIZE(fs));
110 basesize = &newcg->cg_space[0] - (u_char *)(&newcg->cg_firstfield);
111 if (sblock.fs_magic == FS_UFS2_MAGIC) {
112 newcg->cg_iusedoff = basesize;
115 * We reserve the space for the old rotation summary
116 * tables for the benefit of old kernels, but do not
117 * maintain them in modern kernels. In time, they can
120 newcg->cg_old_btotoff = basesize;
121 newcg->cg_old_boff = newcg->cg_old_btotoff +
122 fs->fs_old_cpg * sizeof(int32_t);
123 newcg->cg_iusedoff = newcg->cg_old_boff +
124 fs->fs_old_cpg * fs->fs_old_nrpos * sizeof(u_int16_t);
125 memset(&newcg->cg_space[0], 0, newcg->cg_iusedoff - basesize);
127 inomapsize = howmany(fs->fs_ipg, CHAR_BIT);
128 newcg->cg_freeoff = newcg->cg_iusedoff + inomapsize;
129 blkmapsize = howmany(fs->fs_fpg, CHAR_BIT);
130 newcg->cg_nextfreeoff = newcg->cg_freeoff + blkmapsize;
131 if (fs->fs_contigsumsize > 0) {
132 newcg->cg_clustersumoff = newcg->cg_nextfreeoff -
134 newcg->cg_clustersumoff =
135 roundup(newcg->cg_clustersumoff, sizeof(u_int32_t));
136 newcg->cg_clusteroff = newcg->cg_clustersumoff +
137 (fs->fs_contigsumsize + 1) * sizeof(u_int32_t);
138 newcg->cg_nextfreeoff = newcg->cg_clusteroff +
139 howmany(fragstoblks(fs, fs->fs_fpg), CHAR_BIT);
141 newcg->cg_magic = CG_MAGIC;
142 mapsize = newcg->cg_nextfreeoff - newcg->cg_iusedoff;
143 memset(&idesc[0], 0, sizeof idesc);
144 for (i = 0; i < 3; i++)
145 idesc[i].id_type = ADDR;
146 memset(&cstotal, 0, sizeof(struct csum_total));
147 dmax = blknum(fs, fs->fs_size + fs->fs_frag - 1);
148 for (d = fs->fs_size; d < dmax; d++)
150 for (c = 0; c < fs->fs_ncg; c++) {
152 printf("%s: phase 5: cyl group %d of %d (%d%%)\n",
153 cdevname, c, sblock.fs_ncg,
154 c * 100 / sblock.fs_ncg);
158 setproctitle("%s p5 %d%%", cdevname,
159 c * 100 / sblock.fs_ncg);
162 getblk(&cgblk, cgtod(fs, c), fs->fs_cgsize);
163 if (!cg_chkmagic(cg))
164 pfatal("CG %d: BAD MAGIC NUMBER\n", c);
165 newcg->cg_time = cg->cg_time;
166 newcg->cg_old_time = cg->cg_old_time;
167 newcg->cg_unrefs = cg->cg_unrefs;
169 dbase = cgbase(fs, c);
170 dmax = dbase + fs->fs_fpg;
171 if (dmax > fs->fs_size)
173 newcg->cg_ndblk = dmax - dbase;
174 if (fs->fs_magic == FS_UFS1_MAGIC) {
175 if (c == fs->fs_ncg - 1)
176 newcg->cg_old_ncyl = howmany(newcg->cg_ndblk,
177 fs->fs_fpg / fs->fs_old_cpg);
179 newcg->cg_old_ncyl = fs->fs_old_cpg;
180 newcg->cg_old_niblk = fs->fs_ipg;
183 if (fs->fs_contigsumsize > 0)
184 newcg->cg_nclusterblks = newcg->cg_ndblk / fs->fs_frag;
185 newcg->cg_cs.cs_ndir = 0;
186 newcg->cg_cs.cs_nffree = 0;
187 newcg->cg_cs.cs_nbfree = 0;
188 newcg->cg_cs.cs_nifree = fs->fs_ipg;
189 if (cg->cg_rotor >= 0 && cg->cg_rotor < newcg->cg_ndblk)
190 newcg->cg_rotor = cg->cg_rotor;
193 if (cg->cg_frotor >= 0 && cg->cg_frotor < newcg->cg_ndblk)
194 newcg->cg_frotor = cg->cg_frotor;
196 newcg->cg_frotor = 0;
197 if (cg->cg_irotor >= 0 && cg->cg_irotor < fs->fs_ipg)
198 newcg->cg_irotor = cg->cg_irotor;
200 newcg->cg_irotor = 0;
201 if (fs->fs_magic == FS_UFS1_MAGIC) {
202 newcg->cg_initediblk = 0;
204 if ((unsigned)cg->cg_initediblk > fs->fs_ipg)
205 newcg->cg_initediblk = fs->fs_ipg;
207 newcg->cg_initediblk = cg->cg_initediblk;
209 memset(&newcg->cg_frsum[0], 0, sizeof newcg->cg_frsum);
210 memset(cg_inosused(newcg), 0, (size_t)(mapsize));
212 for (i = 0; i < inostathead[c].il_numalloced; j++, i++) {
213 switch (inoinfo(j)->ino_state) {
222 newcg->cg_cs.cs_ndir++;
228 newcg->cg_cs.cs_nifree--;
229 setbit(cg_inosused(newcg), i);
233 if (j < (int)ROOTINO)
235 errx(EEXIT, "BAD STATE %d FOR INODE I=%d",
236 inoinfo(j)->ino_state, j);
240 for (i = 0; i < (int)ROOTINO; i++) {
241 setbit(cg_inosused(newcg), i);
242 newcg->cg_cs.cs_nifree--;
244 for (i = 0, d = dbase;
246 d += fs->fs_frag, i += fs->fs_frag) {
248 for (j = 0; j < fs->fs_frag; j++) {
251 setbit(cg_blksfree(newcg), i + j);
254 if (frags == fs->fs_frag) {
255 newcg->cg_cs.cs_nbfree++;
256 if (fs->fs_contigsumsize > 0)
257 setbit(cg_clustersfree(newcg),
259 } else if (frags > 0) {
260 newcg->cg_cs.cs_nffree += frags;
261 blk = blkmap(fs, cg_blksfree(newcg), i);
262 ffs_fragacct(fs, blk, newcg->cg_frsum, 1);
265 if (fs->fs_contigsumsize > 0) {
266 int32_t *sump = cg_clustersum(newcg);
267 u_char *mapp = cg_clustersfree(newcg);
272 for (i = 0; i < newcg->cg_nclusterblks; i++) {
273 if ((map & bit) != 0) {
275 } else if (run != 0) {
276 if (run > fs->fs_contigsumsize)
277 run = fs->fs_contigsumsize;
281 if ((i & (CHAR_BIT - 1)) != (CHAR_BIT - 1)) {
289 if (run > fs->fs_contigsumsize)
290 run = fs->fs_contigsumsize;
294 if (bkgrdflag != 0) {
295 cstotal.cs_nffree += cg->cg_cs.cs_nffree;
296 cstotal.cs_nbfree += cg->cg_cs.cs_nbfree;
297 cstotal.cs_nifree += cg->cg_cs.cs_nifree;
298 cstotal.cs_ndir += cg->cg_cs.cs_ndir;
300 cstotal.cs_nffree += newcg->cg_cs.cs_nffree;
301 cstotal.cs_nbfree += newcg->cg_cs.cs_nbfree;
302 cstotal.cs_nifree += newcg->cg_cs.cs_nifree;
303 cstotal.cs_ndir += newcg->cg_cs.cs_ndir;
305 cs = &fs->fs_cs(fs, c);
306 if (cursnapshot == 0 &&
307 memcmp(&newcg->cg_cs, cs, sizeof *cs) != 0 &&
308 dofix(&idesc[0], "FREE BLK COUNT(S) WRONG IN SUPERBLK")) {
309 memmove(cs, &newcg->cg_cs, sizeof *cs);
313 memmove(cg, newcg, (size_t)fs->fs_cgsize);
317 if (cursnapshot == 0 &&
318 memcmp(newcg, cg, basesize) != 0 &&
319 dofix(&idesc[2], "SUMMARY INFORMATION BAD")) {
320 memmove(cg, newcg, (size_t)basesize);
323 if (bkgrdflag != 0 || usedsoftdep || debug) {
324 excessdirs = cg->cg_cs.cs_ndir - newcg->cg_cs.cs_ndir;
325 if (excessdirs < 0) {
326 pfatal("LOST %d DIRECTORIES\n", -excessdirs);
330 check_maps(cg_inosused(newcg), cg_inosused(cg),
332 cg->cg_cgx * (ufs2_daddr_t) fs->fs_ipg,
334 freedirs, 0, excessdirs);
335 check_maps(cg_inosused(newcg), cg_inosused(cg),
337 cg->cg_cgx * (ufs2_daddr_t) fs->fs_ipg, "FILE",
338 freefiles, excessdirs, fs->fs_ipg);
339 check_maps(cg_blksfree(cg), cg_blksfree(newcg),
341 cg->cg_cgx * (ufs2_daddr_t) fs->fs_fpg, "FRAG",
342 freeblks, 0, fs->fs_fpg);
344 if (cursnapshot == 0 &&
345 memcmp(cg_inosused(newcg), cg_inosused(cg), mapsize) != 0 &&
346 dofix(&idesc[1], "BLK(S) MISSING IN BIT MAPS")) {
347 memmove(cg_inosused(cg), cg_inosused(newcg),
352 if (cursnapshot == 0 &&
353 memcmp(&cstotal, &fs->fs_cstotal, sizeof cstotal) != 0
354 && dofix(&idesc[0], "SUMMARY BLK COUNT(S) WRONG IN SUPERBLK")) {
355 memmove(&fs->fs_cstotal, &cstotal, sizeof cstotal);
362 * When doing background fsck on a snapshot, figure out whether
363 * the superblock summary is inaccurate and correct it when
366 if (cursnapshot != 0) {
369 cmd.value = cstotal.cs_ndir - fs->fs_cstotal.cs_ndir;
370 if (cmd.value != 0) {
372 printf("adjndir by %+" PRIi64 "\n", cmd.value);
373 if (bkgrdsumadj == 0 || sysctl(adjndir, MIBSIZE, 0, 0,
374 &cmd, sizeof cmd) == -1)
375 rwerror("ADJUST NUMBER OF DIRECTORIES", cmd.value);
378 cmd.value = cstotal.cs_nbfree - fs->fs_cstotal.cs_nbfree;
379 if (cmd.value != 0) {
381 printf("adjnbfree by %+" PRIi64 "\n", cmd.value);
382 if (bkgrdsumadj == 0 || sysctl(adjnbfree, MIBSIZE, 0, 0,
383 &cmd, sizeof cmd) == -1)
384 rwerror("ADJUST NUMBER OF FREE BLOCKS", cmd.value);
387 cmd.value = cstotal.cs_nifree - fs->fs_cstotal.cs_nifree;
388 if (cmd.value != 0) {
390 printf("adjnifree by %+" PRIi64 "\n", cmd.value);
391 if (bkgrdsumadj == 0 || sysctl(adjnifree, MIBSIZE, 0, 0,
392 &cmd, sizeof cmd) == -1)
393 rwerror("ADJUST NUMBER OF FREE INODES", cmd.value);
396 cmd.value = cstotal.cs_nffree - fs->fs_cstotal.cs_nffree;
397 if (cmd.value != 0) {
399 printf("adjnffree by %+" PRIi64 "\n", cmd.value);
400 if (bkgrdsumadj == 0 || sysctl(adjnffree, MIBSIZE, 0, 0,
401 &cmd, sizeof cmd) == -1)
402 rwerror("ADJUST NUMBER OF FREE FRAGS", cmd.value);
405 cmd.value = cstotal.cs_numclusters - fs->fs_cstotal.cs_numclusters;
406 if (cmd.value != 0) {
408 printf("adjnumclusters by %+" PRIi64 "\n", cmd.value);
409 if (bkgrdsumadj == 0 || sysctl(adjnumclusters, MIBSIZE, 0, 0,
410 &cmd, sizeof cmd) == -1)
411 rwerror("ADJUST NUMBER OF FREE CLUSTERS", cmd.value);
418 u_char *map1, /* map of claimed allocations */
419 u_char *map2, /* map of determined allocations */
420 int mapsize, /* size of above two maps */
421 ufs2_daddr_t startvalue, /* resource value for first element in map */
422 const char *name, /* name of resource found in maps */
423 int *opcode, /* sysctl opcode to free resource */
424 int skip, /* number of entries to skip before starting to free */
425 int limit) /* limit on number of entries to free */
429 long i, j, k, l, m, size;
430 ufs2_daddr_t n, astart, aend, ustart, uend;
431 void (*msg)(const char *fmt, ...);
437 astart = ustart = aend = uend = -1;
438 for (i = 0; i < mapsize; i++) {
443 for (m = 0, l = 1; m < CHAR_BIT; m++, l <<= 1) {
444 if ((j & l) == (k & l))
446 n = startvalue + i * CHAR_BIT + m;
457 (*msg)("ALLOCATED %s %" PRId64
461 (*msg)("%s %sS %" PRId64 "-%" PRId64
463 "ALLOCATED", name, astart, aend);
474 size = uend - ustart + 1;
487 if (debug && size == 1)
488 pwarn("%s %s %" PRId64
490 "UNALLOCATED", name, ustart);
492 pwarn("%s %sS %" PRId64 "-%" PRId64
494 "UNALLOCATED", name, ustart,
496 if (bkgrdflag != 0) {
499 if (sysctl(opcode, MIBSIZE, 0, 0,
500 &cmd, sizeof cmd) == -1) {
501 snprintf(buf, BUFSIZE,
503 rwerror(buf, cmd.value);
515 (*msg)("ALLOCATED %s %" PRId64
516 " MARKED FREE\n", name, astart);
518 (*msg)("ALLOCATED %sS %" PRId64 "-%" PRId64
523 size = uend - ustart + 1;
534 pwarn("UNALLOCATED %s %" PRId64
538 pwarn("UNALLOCATED %sS %" PRId64 "-%" PRId64
540 name, ustart, ustart + size - 1);
542 if (bkgrdflag != 0) {
545 if (sysctl(opcode, MIBSIZE, 0, 0, &cmd,
547 snprintf(buf, BUFSIZE, "FREE %s", name);
548 rwerror(buf, cmd.value);