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[] = "@(#)utilities.c 8.6 (Berkeley) 5/19/95";
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.h>
40 #include <sys/types.h>
41 #include <sys/sysctl.h>
43 #include <sys/disklabel.h>
44 #include <sys/ioctl.h>
47 #include <ufs/ufs/dinode.h>
48 #include <ufs/ufs/dir.h>
49 #include <ufs/ffs/fs.h>
64 static void slowio_start(void);
65 static void slowio_end(void);
66 static void printIOstats(void);
68 static long diskreads, totaldiskreads, totalreads; /* Disk cache statistics */
69 static struct timespec startpass, finishpass;
70 struct timeval slowio_starttime;
71 int slowio_delay_usec = 10000; /* Initial IO delay for background fsck */
73 static struct bufarea cgblk; /* backup buffer for cylinder group blocks */
74 static TAILQ_HEAD(buflist, bufarea) bufhead; /* head of buffer cache list */
75 static int numbufs; /* size of buffer cache */
76 static char *buftype[BT_NUMBUFTYPES] = BT_NAMES;
79 ftypeok(union dinode *dp)
81 switch (DIP(dp, di_mode) & IFMT) {
94 printf("bad file type 0%o\n", DIP(dp, di_mode));
100 reply(const char *question)
106 pfatal("INTERNAL ERROR: GOT TO reply()");
107 persevere = !strcmp(question, "CONTINUE");
109 if (!persevere && (nflag || (fswritefd < 0 && bkgrdflag == 0))) {
110 printf("%s? no\n\n", question);
114 if (yflag || (persevere && nflag)) {
115 printf("%s? yes\n\n", question);
119 printf("%s? [yn] ", question);
120 (void) fflush(stdout);
122 while (c != '\n' && getc(stdin) != '\n') {
128 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N');
130 if (c == 'y' || c == 'Y')
137 * Look up state information for an inode.
142 static struct inostat unallocated = { USTATE, 0, 0 };
143 struct inostatlist *ilp;
147 errx(EEXIT, "inoinfo: inumber %d out of range", inum);
148 ilp = &inostathead[inum / sblock.fs_ipg];
149 iloff = inum % sblock.fs_ipg;
150 if (iloff >= ilp->il_numalloced)
151 return (&unallocated);
152 return (&ilp->il_stat[iloff]);
156 * Malloc buffers and set up cache.
165 pbp = pdirbp = (struct bufarea *)0;
166 bufp = Malloc((unsigned int)sblock.fs_bsize);
168 errx(EEXIT, "cannot allocate buffer pool");
169 cgblk.b_un.b_buf = bufp;
170 initbarea(&cgblk, BT_CYLGRP);
171 TAILQ_INIT(&bufhead);
173 if (bufcnt < MINBUFS)
175 for (i = 0; i < bufcnt; i++) {
176 bp = (struct bufarea *)Malloc(sizeof(struct bufarea));
177 bufp = Malloc((unsigned int)sblock.fs_bsize);
178 if (bp == NULL || bufp == NULL) {
181 errx(EEXIT, "cannot allocate buffer pool");
183 bp->b_un.b_buf = bufp;
184 TAILQ_INSERT_HEAD(&bufhead, bp, b_list);
185 initbarea(bp, BT_UNKNOWN);
187 numbufs = i; /* save number of buffers */
188 for (i = 0; i < BT_NUMBUFTYPES; i++) {
189 readtime[i].tv_sec = totalreadtime[i].tv_sec = 0;
190 readtime[i].tv_nsec = totalreadtime[i].tv_nsec = 0;
191 readcnt[i] = totalreadcnt[i] = 0;
196 * Manage cylinder group buffers.
198 static struct bufarea *cgbufs; /* header for cylinder group cache */
199 static int flushtries; /* number of tries to reclaim memory */
204 struct bufarea *cgbp;
207 if (cgbufs == NULL) {
208 cgbufs = Calloc(sblock.fs_ncg, sizeof(struct bufarea));
210 errx(EEXIT, "cannot allocate cylinder group buffers");
213 if (cgbp->b_un.b_cg != NULL)
217 cgp = malloc((unsigned int)sblock.fs_cgsize);
219 getblk(&cgblk, cgtod(&sblock, cg), sblock.fs_cgsize);
222 cgbp->b_un.b_cg = cgp;
223 initbarea(cgbp, BT_CYLGRP);
224 getblk(cgbp, cgtod(&sblock, cg), sblock.fs_cgsize);
229 * Attempt to flush a cylinder group cache entry.
230 * Return whether the flush was successful.
235 struct bufarea *cgbp;
237 cgbp = &cgbufs[flushtries++];
238 if (cgbp->b_un.b_cg == NULL)
240 flush(fswritefd, cgbp);
241 free(cgbp->b_un.b_buf);
242 cgbp->b_un.b_buf = NULL;
247 * Manage a cache of directory blocks.
250 getdatablk(ufs2_daddr_t blkno, long size, int type)
254 TAILQ_FOREACH(bp, &bufhead, b_list)
255 if (bp->b_bno == fsbtodb(&sblock, blkno))
257 TAILQ_FOREACH_REVERSE(bp, &bufhead, buflist, b_list)
258 if ((bp->b_flags & B_INUSE) == 0)
261 errx(EEXIT, "deadlocked buffer pool");
263 getblk(bp, blkno, size);
266 if (debug && bp->b_type != type)
267 printf("Buffer type changed from %s to %s\n",
268 buftype[bp->b_type], buftype[type]);
269 TAILQ_REMOVE(&bufhead, bp, b_list);
270 TAILQ_INSERT_HEAD(&bufhead, bp, b_list);
271 bp->b_flags |= B_INUSE;
276 * Timespec operations (from <sys/time.h>).
278 #define timespecsub(vvp, uvp) \
280 (vvp)->tv_sec -= (uvp)->tv_sec; \
281 (vvp)->tv_nsec -= (uvp)->tv_nsec; \
282 if ((vvp)->tv_nsec < 0) { \
284 (vvp)->tv_nsec += 1000000000; \
287 #define timespecadd(vvp, uvp) \
289 (vvp)->tv_sec += (uvp)->tv_sec; \
290 (vvp)->tv_nsec += (uvp)->tv_nsec; \
291 if ((vvp)->tv_nsec >= 1000000000) { \
293 (vvp)->tv_nsec -= 1000000000; \
298 getblk(struct bufarea *bp, ufs2_daddr_t blk, long size)
301 struct timespec start, finish;
303 dblk = fsbtodb(&sblock, blk);
304 if (bp->b_bno == dblk) {
307 flush(fswritefd, bp);
309 readcnt[bp->b_type]++;
310 clock_gettime(CLOCK_REALTIME_PRECISE, &start);
312 bp->b_errs = blread(fsreadfd, bp->b_un.b_buf, dblk, size);
314 clock_gettime(CLOCK_REALTIME_PRECISE, &finish);
315 timespecsub(&finish, &start);
316 timespecadd(&readtime[bp->b_type], &finish);
324 flush(int fd, struct bufarea *bp)
332 pfatal("WRITING IN READ_ONLY MODE.\n");
336 pfatal("WRITING %sZERO'ED BLOCK %lld TO DISK\n",
337 (bp->b_errs == bp->b_size / dev_bsize) ? "" : "PARTIALLY ",
338 (long long)bp->b_bno);
340 blwrite(fd, bp->b_un.b_buf, bp->b_bno, (long)bp->b_size);
343 for (i = 0, j = 0; i < sblock.fs_cssize; i += sblock.fs_bsize, j++) {
344 blwrite(fswritefd, (char *)sblock.fs_csp + i,
345 fsbtodb(&sblock, sblock.fs_csaddr + j * sblock.fs_frag),
346 sblock.fs_cssize - i < sblock.fs_bsize ?
347 sblock.fs_cssize - i : sblock.fs_bsize);
352 rwerror(const char *mesg, ufs2_daddr_t blk)
359 pfatal("CANNOT %s: %ld", mesg, (long)blk);
360 if (reply("CONTINUE") == 0)
365 ckfini(int markclean)
367 struct bufarea *bp, *nbp;
368 int ofsmodified, cnt;
372 if ((!(sblock.fs_flags & FS_UNCLEAN)) != markclean) {
373 cmd.value = FS_UNCLEAN;
374 cmd.size = markclean ? -1 : 1;
375 if (sysctlbyname("vfs.ffs.setflags", 0, 0,
376 &cmd, sizeof cmd) == -1)
377 rwerror("SET FILE SYSTEM FLAGS", FS_UNCLEAN);
379 printf("\n***** FILE SYSTEM MARKED %s *****\n",
380 markclean ? "CLEAN" : "DIRTY");
384 } else if (!preen && !markclean) {
385 printf("\n***** FILE SYSTEM STILL DIRTY *****\n");
389 if (debug && totalreads > 0)
390 printf("cache with %d buffers missed %ld of %ld (%d%%)\n",
391 numbufs, totaldiskreads, totalreads,
392 (int)(totaldiskreads * 100 / totalreads));
394 (void)close(fsreadfd);
397 flush(fswritefd, &sblk);
398 if (havesb && cursnapshot == 0 && sblock.fs_magic == FS_UFS2_MAGIC &&
399 sblk.b_bno != sblock.fs_sblockloc / dev_bsize &&
400 !preen && reply("UPDATE STANDARD SUPERBLOCK")) {
401 sblk.b_bno = sblock.fs_sblockloc / dev_bsize;
403 flush(fswritefd, &sblk);
405 flush(fswritefd, &cgblk);
406 free(cgblk.b_un.b_buf);
408 TAILQ_FOREACH_REVERSE_SAFE(bp, &bufhead, buflist, b_list, nbp) {
409 TAILQ_REMOVE(&bufhead, bp, b_list);
411 flush(fswritefd, bp);
412 free(bp->b_un.b_buf);
416 errx(EEXIT, "panic: lost %d buffers", numbufs - cnt);
417 for (cnt = 0; cnt < sblock.fs_ncg; cnt++) {
418 if (cgbufs[cnt].b_un.b_cg == NULL)
420 flush(fswritefd, &cgbufs[cnt]);
421 free(cgbufs[cnt].b_un.b_cg);
424 pbp = pdirbp = (struct bufarea *)0;
425 if (cursnapshot == 0 && sblock.fs_clean != markclean) {
426 if ((sblock.fs_clean = markclean) != 0) {
427 sblock.fs_flags &= ~(FS_UNCLEAN | FS_NEEDSFSCK);
428 sblock.fs_pendingblocks = 0;
429 sblock.fs_pendinginodes = 0;
432 ofsmodified = fsmodified;
433 flush(fswritefd, &sblk);
434 fsmodified = ofsmodified;
436 printf("\n***** FILE SYSTEM MARKED %s *****\n",
437 markclean ? "CLEAN" : "DIRTY");
443 printf("\n***** FILE SYSTEM IS CLEAN *****\n");
445 printf("\n***** FILE SYSTEM STILL DIRTY *****\n");
449 (void)close(fsreadfd);
450 (void)close(fswritefd);
454 * Print out I/O statistics.
463 if (diskreads == 0) {
464 printf("%s: no I/O\n\n", what);
467 if (startpass.tv_sec == 0)
468 startpass = startprog;
469 printf("%s: I/O statistics\n", what);
471 totaldiskreads += diskreads;
473 for (i = 0; i < BT_NUMBUFTYPES; i++) {
474 timespecadd(&totalreadtime[i], &readtime[i]);
475 totalreadcnt[i] += readcnt[i];
476 readtime[i].tv_sec = readtime[i].tv_nsec = 0;
479 clock_gettime(CLOCK_REALTIME_PRECISE, &startpass);
489 printf("Final I/O statistics\n");
490 totaldiskreads += diskreads;
491 diskreads = totaldiskreads;
492 startpass = startprog;
493 for (i = 0; i < BT_NUMBUFTYPES; i++) {
494 timespecadd(&totalreadtime[i], &readtime[i]);
495 totalreadcnt[i] += readcnt[i];
496 readtime[i] = totalreadtime[i];
497 readcnt[i] = totalreadcnt[i];
502 static void printIOstats(void)
504 long long msec, totalmsec;
507 clock_gettime(CLOCK_REALTIME_PRECISE, &finishpass);
508 timespecsub(&finishpass, &startpass);
509 printf("Running time: %jd.%03ld sec\n",
510 (intmax_t)finishpass.tv_sec, finishpass.tv_nsec / 1000000);
511 printf("buffer reads by type:\n");
512 for (totalmsec = 0, i = 0; i < BT_NUMBUFTYPES; i++)
513 totalmsec += readtime[i].tv_sec * 1000 +
514 readtime[i].tv_nsec / 1000000;
517 for (i = 0; i < BT_NUMBUFTYPES; i++) {
521 readtime[i].tv_sec * 1000 + readtime[i].tv_nsec / 1000000;
522 printf("%21s:%8ld %2ld.%ld%% %4jd.%03ld sec %2lld.%lld%%\n",
523 buftype[i], readcnt[i], readcnt[i] * 100 / diskreads,
524 (readcnt[i] * 1000 / diskreads) % 10,
525 (intmax_t)readtime[i].tv_sec, readtime[i].tv_nsec / 1000000,
526 msec * 100 / totalmsec, (msec * 1000 / totalmsec) % 10);
532 blread(int fd, char *buf, ufs2_daddr_t blk, long size)
544 if (lseek(fd, offset, 0) < 0)
545 rwerror("SEEK BLK", blk);
546 else if (read(fd, buf, (int)size) == size) {
551 rwerror("READ BLK", blk);
552 if (lseek(fd, offset, 0) < 0)
553 rwerror("SEEK BLK", blk);
555 memset(buf, 0, (size_t)size);
556 printf("THE FOLLOWING DISK SECTORS COULD NOT BE READ:");
557 for (cp = buf, i = 0; i < size; i += secsize, cp += secsize) {
558 if (read(fd, cp, (int)secsize) != secsize) {
559 (void)lseek(fd, offset + i + secsize, 0);
560 if (secsize != dev_bsize && dev_bsize != 1)
561 printf(" %jd (%jd),",
562 (intmax_t)(blk * dev_bsize + i) / secsize,
563 (intmax_t)blk + i / dev_bsize);
565 printf(" %jd,", (intmax_t)blk + i / dev_bsize);
576 blwrite(int fd, char *buf, ufs2_daddr_t blk, long size)
586 if (lseek(fd, offset, 0) < 0)
587 rwerror("SEEK BLK", blk);
588 else if (write(fd, buf, (int)size) == size) {
593 rwerror("WRITE BLK", blk);
594 if (lseek(fd, offset, 0) < 0)
595 rwerror("SEEK BLK", blk);
596 printf("THE FOLLOWING SECTORS COULD NOT BE WRITTEN:");
597 for (cp = buf, i = 0; i < size; i += dev_bsize, cp += dev_bsize)
598 if (write(fd, cp, (int)dev_bsize) != dev_bsize) {
599 (void)lseek(fd, offset + i + dev_bsize, 0);
600 printf(" %jd,", (intmax_t)blk + i / dev_bsize);
607 blerase(int fd, ufs2_daddr_t blk, long size)
613 ioarg[0] = blk * dev_bsize;
615 ioctl(fd, DIOCGDELETE, ioarg);
616 /* we don't really care if we succeed or not */
621 blzero(int fd, ufs2_daddr_t blk, long size)
630 zero = calloc(len, 1);
632 errx(EEXIT, "cannot allocate buffer pool");
634 offset = blk * dev_bsize;
635 if (lseek(fd, offset, 0) < 0)
636 rwerror("SEEK BLK", blk);
642 if (write(fd, zero, len) != len)
643 rwerror("WRITE BLK", blk);
644 blk += len / dev_bsize;
650 * Verify cylinder group's magic number and other parameters. If the
651 * test fails, offer an option to rebuild the whole cylinder group.
654 check_cgmagic(int cg, struct bufarea *cgbp)
656 struct cg *cgp = cgbp->b_un.b_cg;
659 * Extended cylinder group checks.
661 if (cg_chkmagic(cgp) &&
662 ((sblock.fs_magic == FS_UFS1_MAGIC &&
663 cgp->cg_old_niblk == sblock.fs_ipg &&
664 cgp->cg_ndblk <= sblock.fs_fpg &&
665 cgp->cg_old_ncyl <= sblock.fs_old_cpg) ||
666 (sblock.fs_magic == FS_UFS2_MAGIC &&
667 cgp->cg_niblk == sblock.fs_ipg &&
668 cgp->cg_ndblk <= sblock.fs_fpg &&
669 cgp->cg_initediblk <= sblock.fs_ipg))) {
672 pfatal("CYLINDER GROUP %d: BAD MAGIC NUMBER", cg);
673 if (!reply("REBUILD CYLINDER GROUP")) {
674 printf("YOU WILL NEED TO RERUN FSCK.\n");
679 * Zero out the cylinder group and then initialize critical fields.
680 * Bit maps and summaries will be recalculated by later passes.
682 memset(cgp, 0, (size_t)sblock.fs_cgsize);
683 cgp->cg_magic = CG_MAGIC;
685 cgp->cg_niblk = sblock.fs_ipg;
686 cgp->cg_initediblk = sblock.fs_ipg < 2 * INOPB(&sblock) ?
687 sblock.fs_ipg : 2 * INOPB(&sblock);
688 if (cgbase(&sblock, cg) + sblock.fs_fpg < sblock.fs_size)
689 cgp->cg_ndblk = sblock.fs_fpg;
691 cgp->cg_ndblk = sblock.fs_size - cgbase(&sblock, cg);
692 cgp->cg_iusedoff = &cgp->cg_space[0] - (u_char *)(&cgp->cg_firstfield);
693 if (sblock.fs_magic == FS_UFS1_MAGIC) {
695 cgp->cg_initediblk = 0;
696 cgp->cg_old_ncyl = sblock.fs_old_cpg;
697 cgp->cg_old_niblk = sblock.fs_ipg;
698 cgp->cg_old_btotoff = cgp->cg_iusedoff;
699 cgp->cg_old_boff = cgp->cg_old_btotoff +
700 sblock.fs_old_cpg * sizeof(int32_t);
701 cgp->cg_iusedoff = cgp->cg_old_boff +
702 sblock.fs_old_cpg * sizeof(u_int16_t);
704 cgp->cg_freeoff = cgp->cg_iusedoff + howmany(sblock.fs_ipg, CHAR_BIT);
705 cgp->cg_nextfreeoff = cgp->cg_freeoff + howmany(sblock.fs_fpg,CHAR_BIT);
706 if (sblock.fs_contigsumsize > 0) {
707 cgp->cg_nclusterblks = cgp->cg_ndblk / sblock.fs_frag;
708 cgp->cg_clustersumoff =
709 roundup(cgp->cg_nextfreeoff, sizeof(u_int32_t));
710 cgp->cg_clustersumoff -= sizeof(u_int32_t);
711 cgp->cg_clusteroff = cgp->cg_clustersumoff +
712 (sblock.fs_contigsumsize + 1) * sizeof(u_int32_t);
713 cgp->cg_nextfreeoff = cgp->cg_clusteroff +
714 howmany(fragstoblks(&sblock, sblock.fs_fpg), CHAR_BIT);
721 * allocate a data block with the specified number of fragments
726 int i, j, k, cg, baseblk;
727 struct bufarea *cgbp;
730 if (frags <= 0 || frags > sblock.fs_frag)
732 for (i = 0; i < maxfsblock - sblock.fs_frag; i += sblock.fs_frag) {
733 for (j = 0; j <= sblock.fs_frag - frags; j++) {
736 for (k = 1; k < frags; k++)
737 if (testbmap(i + j + k))
743 cg = dtog(&sblock, i + j);
745 cgp = cgbp->b_un.b_cg;
746 if (!check_cgmagic(cg, cgbp))
748 baseblk = dtogd(&sblock, i + j);
749 for (k = 0; k < frags; k++) {
751 clrbit(cg_blksfree(cgp), baseblk + k);
754 if (frags == sblock.fs_frag)
755 cgp->cg_cs.cs_nbfree--;
757 cgp->cg_cs.cs_nffree -= frags;
766 * Free a previously allocated block
769 freeblk(ufs2_daddr_t blkno, long frags)
771 struct inodesc idesc;
773 idesc.id_blkno = blkno;
774 idesc.id_numfrags = frags;
775 (void)pass4check(&idesc);
778 /* Slow down IO so as to leave some disk bandwidth for other processes */
783 /* Delay one in every 8 operations */
784 slowio_pollcnt = (slowio_pollcnt + 1) & 7;
785 if (slowio_pollcnt == 0) {
786 gettimeofday(&slowio_starttime, NULL);
796 if (slowio_pollcnt != 0)
799 /* Update the slowdown interval. */
800 gettimeofday(&tv, NULL);
801 delay_usec = (tv.tv_sec - slowio_starttime.tv_sec) * 1000000 +
802 (tv.tv_usec - slowio_starttime.tv_usec);
805 if (delay_usec > 2500000)
806 delay_usec = 2500000;
807 slowio_delay_usec = (slowio_delay_usec * 63 + delay_usec) >> 6;
808 /* delay by 8 times the average IO delay */
809 if (slowio_delay_usec > 64)
810 usleep(slowio_delay_usec * 8);
817 getpathname(char *namebuf, ino_t curdir, ino_t ino)
821 struct inodesc idesc;
824 if (curdir == ino && ino == ROOTINO) {
825 (void)strcpy(namebuf, "/");
828 if (busy || !INO_IS_DVALID(curdir)) {
829 (void)strcpy(namebuf, "?");
833 memset(&idesc, 0, sizeof(struct inodesc));
834 idesc.id_type = DATA;
835 idesc.id_fix = IGNORE;
836 cp = &namebuf[MAXPATHLEN - 1];
839 idesc.id_parent = curdir;
842 while (ino != ROOTINO) {
843 idesc.id_number = ino;
844 idesc.id_func = findino;
845 idesc.id_name = strdup("..");
846 if ((ckinode(ginode(ino), &idesc) & FOUND) == 0)
849 idesc.id_number = idesc.id_parent;
850 idesc.id_parent = ino;
851 idesc.id_func = findname;
852 idesc.id_name = namebuf;
853 if ((ckinode(ginode(idesc.id_number), &idesc)&FOUND) == 0)
855 len = strlen(namebuf);
857 memmove(cp, namebuf, (size_t)len);
859 if (cp < &namebuf[MAXNAMLEN])
861 ino = idesc.id_number;
866 memmove(namebuf, cp, (size_t)(&namebuf[MAXPATHLEN] - cp));
870 catch(int sig __unused)
878 * When preening, allow a single quit to signal
879 * a special exit after file system checks complete
880 * so that reboot sequence may be interrupted.
883 catchquit(int sig __unused)
885 printf("returning to single-user after file system check\n");
887 (void)signal(SIGQUIT, SIG_DFL);
891 * determine whether an inode should be fixed.
894 dofix(struct inodesc *idesc, const char *msg)
897 switch (idesc->id_fix) {
900 if (idesc->id_type == DATA)
901 direrror(idesc->id_number, msg);
905 printf(" (SALVAGED)\n");
909 if (reply("SALVAGE") == 0) {
910 idesc->id_fix = NOFIX;
924 errx(EEXIT, "UNKNOWN INODESC FIX MODE %d", idesc->id_fix);
933 * An unexpected inconsistency occured.
934 * Die if preening or file system is running with soft dependency protocol,
935 * otherwise just print message and continue.
938 pfatal(const char *fmt, ...)
943 (void)vfprintf(stdout, fmt, ap);
946 (void)fprintf(stdout,
947 "\nUNEXPECTED SOFT UPDATE INCONSISTENCY\n");
949 * Force foreground fsck to clean up inconsistency.
952 cmd.value = FS_NEEDSFSCK;
954 if (sysctlbyname("vfs.ffs.setflags", 0, 0,
955 &cmd, sizeof cmd) == -1)
956 pwarn("CANNOT SET FS_NEEDSFSCK FLAG\n");
957 fprintf(stdout, "CANNOT RUN IN BACKGROUND\n");
963 if (cdevname == NULL)
964 cdevname = strdup("fsck");
965 (void)fprintf(stdout, "%s: ", cdevname);
966 (void)vfprintf(stdout, fmt, ap);
967 (void)fprintf(stdout,
968 "\n%s: UNEXPECTED%sINCONSISTENCY; RUN fsck MANUALLY.\n",
969 cdevname, usedsoftdep ? " SOFT UPDATE " : " ");
971 * Force foreground fsck to clean up inconsistency.
974 cmd.value = FS_NEEDSFSCK;
976 if (sysctlbyname("vfs.ffs.setflags", 0, 0,
977 &cmd, sizeof cmd) == -1)
978 pwarn("CANNOT SET FS_NEEDSFSCK FLAG\n");
985 * Pwarn just prints a message when not preening or running soft dependency
986 * protocol, or a warning (preceded by filename) when preening.
989 pwarn(const char *fmt, ...)
994 (void)fprintf(stdout, "%s: ", cdevname);
995 (void)vfprintf(stdout, fmt, ap);
1000 * Stub for routines from kernel.
1003 panic(const char *fmt, ...)
1007 pfatal("INTERNAL INCONSISTENCY:");
1008 (void)vfprintf(stdout, fmt, ap);