fsutil.c revision 250056
166864Sadrian/* 266864Sadrian * Copyright (c) 1980, 1986, 1993 366864Sadrian * The Regents of the University of California. All rights reserved. 466864Sadrian * 566864Sadrian * Redistribution and use in source and binary forms, with or without 666864Sadrian * modification, are permitted provided that the following conditions 766864Sadrian * are met: 866864Sadrian * 1. Redistributions of source code must retain the above copyright 966864Sadrian * notice, this list of conditions and the following disclaimer. 1066864Sadrian * 2. Redistributions in binary form must reproduce the above copyright 1166864Sadrian * notice, this list of conditions and the following disclaimer in the 1266864Sadrian * documentation and/or other materials provided with the distribution. 1366864Sadrian * 4. Neither the name of the University nor the names of its contributors 1466864Sadrian * may be used to endorse or promote products derived from this software 1566864Sadrian * without specific prior written permission. 1666864Sadrian * 1766864Sadrian * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 1866864Sadrian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1966864Sadrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2066864Sadrian * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2166864Sadrian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2266864Sadrian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2366864Sadrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2466864Sadrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2566864Sadrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2666864Sadrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2766864Sadrian * SUCH DAMAGE. 2866864Sadrian */ 2966864Sadrian 30114589Sobrien#if 0 3166864Sadrian#ifndef lint 3266864Sadrianstatic const char sccsid[] = "@(#)utilities.c 8.6 (Berkeley) 5/19/95"; 33114589Sobrien#endif /* not lint */ 3466864Sadrian#endif 35114589Sobrien#include <sys/cdefs.h> 36114589Sobrien__FBSDID("$FreeBSD: head/sbin/fsck_ffs/fsutil.c 250056 2013-04-29 20:13:09Z des $"); 3766864Sadrian 3866864Sadrian#include <sys/param.h> 39107671Siedowse#include <sys/time.h> 4066864Sadrian#include <sys/types.h> 4186514Siedowse#include <sys/sysctl.h> 42221233Sdes#include <sys/disk.h> 4398542Smckusick#include <sys/disklabel.h> 44221233Sdes#include <sys/ioctl.h> 4566864Sadrian#include <sys/stat.h> 4666864Sadrian 4766864Sadrian#include <ufs/ufs/dinode.h> 4866864Sadrian#include <ufs/ufs/dir.h> 4966864Sadrian#include <ufs/ffs/fs.h> 5066864Sadrian 5166864Sadrian#include <err.h> 5266864Sadrian#include <errno.h> 5366864Sadrian#include <string.h> 5466864Sadrian#include <ctype.h> 5566864Sadrian#include <fstab.h> 56101037Smux#include <stdint.h> 5766864Sadrian#include <stdio.h> 5866864Sadrian#include <stdlib.h> 59247212Smckusick#include <time.h> 6066864Sadrian#include <unistd.h> 6166864Sadrian 6266864Sadrian#include "fsck.h" 6366864Sadrian 64107671Siedowsestatic void slowio_start(void); 65107671Siedowsestatic void slowio_end(void); 66247212Smckusickstatic void printIOstats(void); 67107671Siedowse 68247212Smckusickstatic long diskreads, totaldiskreads, totalreads; /* Disk cache statistics */ 69247212Smckusickstatic struct timespec startpass, finishpass; 70107671Siedowsestruct timeval slowio_starttime; 71107671Siedowseint slowio_delay_usec = 10000; /* Initial IO delay for background fsck */ 72107671Siedowseint slowio_pollcnt; 73248658Smckusickstatic struct bufarea cgblk; /* backup buffer for cylinder group blocks */ 74246812Smckusickstatic TAILQ_HEAD(buflist, bufarea) bufhead; /* head of buffer cache list */ 75246812Smckusickstatic int numbufs; /* size of buffer cache */ 76247212Smckusickstatic char *buftype[BT_NUMBUFTYPES] = BT_NAMES; 7766864Sadrian 7866864Sadrianint 7998542Smckusickftypeok(union dinode *dp) 8066864Sadrian{ 8198542Smckusick switch (DIP(dp, di_mode) & IFMT) { 8266864Sadrian 8366864Sadrian case IFDIR: 8466864Sadrian case IFREG: 8566864Sadrian case IFBLK: 8666864Sadrian case IFCHR: 8766864Sadrian case IFLNK: 8866864Sadrian case IFSOCK: 8966864Sadrian case IFIFO: 9066864Sadrian return (1); 9166864Sadrian 9266864Sadrian default: 9366864Sadrian if (debug) 9498542Smckusick printf("bad file type 0%o\n", DIP(dp, di_mode)); 9566864Sadrian return (0); 9666864Sadrian } 9766864Sadrian} 9866864Sadrian 9966864Sadrianint 100100935Sphkreply(const char *question) 10166864Sadrian{ 10266864Sadrian int persevere; 10366864Sadrian char c; 10466864Sadrian 10566864Sadrian if (preen) 10666864Sadrian pfatal("INTERNAL ERROR: GOT TO reply()"); 10766864Sadrian persevere = !strcmp(question, "CONTINUE"); 10866864Sadrian printf("\n"); 10974556Smckusick if (!persevere && (nflag || (fswritefd < 0 && bkgrdflag == 0))) { 11066864Sadrian printf("%s? no\n\n", question); 11166864Sadrian resolved = 0; 11266864Sadrian return (0); 11366864Sadrian } 11466864Sadrian if (yflag || (persevere && nflag)) { 11566864Sadrian printf("%s? yes\n\n", question); 11666864Sadrian return (1); 11766864Sadrian } 11866864Sadrian do { 11966864Sadrian printf("%s? [yn] ", question); 12066864Sadrian (void) fflush(stdout); 12166864Sadrian c = getc(stdin); 12266864Sadrian while (c != '\n' && getc(stdin) != '\n') { 12366864Sadrian if (feof(stdin)) { 12466864Sadrian resolved = 0; 12566864Sadrian return (0); 12666864Sadrian } 12766864Sadrian } 12866864Sadrian } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 12966864Sadrian printf("\n"); 13066864Sadrian if (c == 'y' || c == 'Y') 13166864Sadrian return (1); 13266864Sadrian resolved = 0; 13366864Sadrian return (0); 13466864Sadrian} 13566864Sadrian 13666864Sadrian/* 13766864Sadrian * Look up state information for an inode. 13866864Sadrian */ 13966864Sadrianstruct inostat * 14092839Simpinoinfo(ino_t inum) 14166864Sadrian{ 14266864Sadrian static struct inostat unallocated = { USTATE, 0, 0 }; 14366864Sadrian struct inostatlist *ilp; 14466864Sadrian int iloff; 14566864Sadrian 14666864Sadrian if (inum > maxino) 147241012Smdf errx(EEXIT, "inoinfo: inumber %ju out of range", 148241012Smdf (uintmax_t)inum); 14966864Sadrian ilp = &inostathead[inum / sblock.fs_ipg]; 15066864Sadrian iloff = inum % sblock.fs_ipg; 15166864Sadrian if (iloff >= ilp->il_numalloced) 15266864Sadrian return (&unallocated); 15366864Sadrian return (&ilp->il_stat[iloff]); 15466864Sadrian} 15566864Sadrian 15666864Sadrian/* 15766864Sadrian * Malloc buffers and set up cache. 15866864Sadrian */ 15966864Sadrianvoid 16092839Simpbufinit(void) 16166864Sadrian{ 16292806Sobrien struct bufarea *bp; 16366864Sadrian long bufcnt, i; 16466864Sadrian char *bufp; 16566864Sadrian 16666864Sadrian pbp = pdirbp = (struct bufarea *)0; 167248658Smckusick bufp = Malloc((unsigned int)sblock.fs_bsize); 16866864Sadrian if (bufp == 0) 16966864Sadrian errx(EEXIT, "cannot allocate buffer pool"); 17066864Sadrian cgblk.b_un.b_buf = bufp; 171247212Smckusick initbarea(&cgblk, BT_CYLGRP); 172246812Smckusick TAILQ_INIT(&bufhead); 173246812Smckusick bufcnt = MAXBUFS; 17466864Sadrian if (bufcnt < MINBUFS) 17566864Sadrian bufcnt = MINBUFS; 17666864Sadrian for (i = 0; i < bufcnt; i++) { 177248658Smckusick bp = (struct bufarea *)Malloc(sizeof(struct bufarea)); 178248658Smckusick bufp = Malloc((unsigned int)sblock.fs_bsize); 17966864Sadrian if (bp == NULL || bufp == NULL) { 18066864Sadrian if (i >= MINBUFS) 18166864Sadrian break; 18266864Sadrian errx(EEXIT, "cannot allocate buffer pool"); 18366864Sadrian } 18466864Sadrian bp->b_un.b_buf = bufp; 185246812Smckusick TAILQ_INSERT_HEAD(&bufhead, bp, b_list); 186247212Smckusick initbarea(bp, BT_UNKNOWN); 18766864Sadrian } 188246812Smckusick numbufs = i; /* save number of buffers */ 189247212Smckusick for (i = 0; i < BT_NUMBUFTYPES; i++) { 190247212Smckusick readtime[i].tv_sec = totalreadtime[i].tv_sec = 0; 191247212Smckusick readtime[i].tv_nsec = totalreadtime[i].tv_nsec = 0; 192247212Smckusick readcnt[i] = totalreadcnt[i] = 0; 193247212Smckusick } 19466864Sadrian} 19566864Sadrian 19666864Sadrian/* 197248658Smckusick * Manage cylinder group buffers. 198248658Smckusick */ 199248658Smckusickstatic struct bufarea *cgbufs; /* header for cylinder group cache */ 200248658Smckusickstatic int flushtries; /* number of tries to reclaim memory */ 201248658Smckusick 202248658Smckusickstruct bufarea * 203248658Smckusickcgget(int cg) 204248658Smckusick{ 205248658Smckusick struct bufarea *cgbp; 206248658Smckusick struct cg *cgp; 207248658Smckusick 208248658Smckusick if (cgbufs == NULL) { 209248658Smckusick cgbufs = Calloc(sblock.fs_ncg, sizeof(struct bufarea)); 210248658Smckusick if (cgbufs == NULL) 211248658Smckusick errx(EEXIT, "cannot allocate cylinder group buffers"); 212248658Smckusick } 213248658Smckusick cgbp = &cgbufs[cg]; 214248658Smckusick if (cgbp->b_un.b_cg != NULL) 215248658Smckusick return (cgbp); 216248658Smckusick cgp = NULL; 217248658Smckusick if (flushtries == 0) 218248658Smckusick cgp = malloc((unsigned int)sblock.fs_cgsize); 219248658Smckusick if (cgp == NULL) { 220248658Smckusick getblk(&cgblk, cgtod(&sblock, cg), sblock.fs_cgsize); 221248658Smckusick return (&cgblk); 222248658Smckusick } 223248658Smckusick cgbp->b_un.b_cg = cgp; 224248658Smckusick initbarea(cgbp, BT_CYLGRP); 225248658Smckusick getblk(cgbp, cgtod(&sblock, cg), sblock.fs_cgsize); 226248658Smckusick return (cgbp); 227248658Smckusick} 228248658Smckusick 229248658Smckusick/* 230248658Smckusick * Attempt to flush a cylinder group cache entry. 231248658Smckusick * Return whether the flush was successful. 232248658Smckusick */ 233248658Smckusickint 234248658Smckusickflushentry(void) 235248658Smckusick{ 236248658Smckusick struct bufarea *cgbp; 237248658Smckusick 238248658Smckusick cgbp = &cgbufs[flushtries++]; 239248658Smckusick if (cgbp->b_un.b_cg == NULL) 240248658Smckusick return (0); 241248658Smckusick flush(fswritefd, cgbp); 242248658Smckusick free(cgbp->b_un.b_buf); 243248658Smckusick cgbp->b_un.b_buf = NULL; 244248658Smckusick return (1); 245248658Smckusick} 246248658Smckusick 247248658Smckusick/* 24866864Sadrian * Manage a cache of directory blocks. 24966864Sadrian */ 25066864Sadrianstruct bufarea * 251247212Smckusickgetdatablk(ufs2_daddr_t blkno, long size, int type) 25266864Sadrian{ 25392806Sobrien struct bufarea *bp; 25466864Sadrian 255246812Smckusick TAILQ_FOREACH(bp, &bufhead, b_list) 25666864Sadrian if (bp->b_bno == fsbtodb(&sblock, blkno)) 25766864Sadrian goto foundit; 258246812Smckusick TAILQ_FOREACH_REVERSE(bp, &bufhead, buflist, b_list) 25966864Sadrian if ((bp->b_flags & B_INUSE) == 0) 26066864Sadrian break; 261246812Smckusick if (bp == NULL) 26266864Sadrian errx(EEXIT, "deadlocked buffer pool"); 263247212Smckusick bp->b_type = type; 26466864Sadrian getblk(bp, blkno, size); 26566864Sadrian /* fall through */ 26666864Sadrianfoundit: 267247212Smckusick if (debug && bp->b_type != type) 268247212Smckusick printf("Buffer type changed from %s to %s\n", 269247212Smckusick buftype[bp->b_type], buftype[type]); 270246812Smckusick TAILQ_REMOVE(&bufhead, bp, b_list); 271246812Smckusick TAILQ_INSERT_HEAD(&bufhead, bp, b_list); 27266864Sadrian bp->b_flags |= B_INUSE; 27366864Sadrian return (bp); 27466864Sadrian} 27566864Sadrian 276247212Smckusick/* 277247212Smckusick * Timespec operations (from <sys/time.h>). 278247212Smckusick */ 279247212Smckusick#define timespecsub(vvp, uvp) \ 280247212Smckusick do { \ 281247212Smckusick (vvp)->tv_sec -= (uvp)->tv_sec; \ 282247212Smckusick (vvp)->tv_nsec -= (uvp)->tv_nsec; \ 283247212Smckusick if ((vvp)->tv_nsec < 0) { \ 284247212Smckusick (vvp)->tv_sec--; \ 285247212Smckusick (vvp)->tv_nsec += 1000000000; \ 286247212Smckusick } \ 287247212Smckusick } while (0) 288247212Smckusick#define timespecadd(vvp, uvp) \ 289247212Smckusick do { \ 290247212Smckusick (vvp)->tv_sec += (uvp)->tv_sec; \ 291247212Smckusick (vvp)->tv_nsec += (uvp)->tv_nsec; \ 292247212Smckusick if ((vvp)->tv_nsec >= 1000000000) { \ 293247212Smckusick (vvp)->tv_sec++; \ 294247212Smckusick (vvp)->tv_nsec -= 1000000000; \ 295247212Smckusick } \ 296247212Smckusick } while (0) 297247212Smckusick 29866864Sadrianvoid 29998542Smckusickgetblk(struct bufarea *bp, ufs2_daddr_t blk, long size) 30066864Sadrian{ 30198542Smckusick ufs2_daddr_t dblk; 302247212Smckusick struct timespec start, finish; 30366864Sadrian 30466864Sadrian dblk = fsbtodb(&sblock, blk); 305247212Smckusick if (bp->b_bno == dblk) { 306247212Smckusick totalreads++; 307247212Smckusick } else { 30866864Sadrian flush(fswritefd, bp); 309247212Smckusick if (debug) { 310247212Smckusick readcnt[bp->b_type]++; 311247212Smckusick clock_gettime(CLOCK_REALTIME_PRECISE, &start); 312247212Smckusick } 313163845Spjd bp->b_errs = blread(fsreadfd, bp->b_un.b_buf, dblk, size); 314247212Smckusick if (debug) { 315247212Smckusick clock_gettime(CLOCK_REALTIME_PRECISE, &finish); 316247212Smckusick timespecsub(&finish, &start); 317247212Smckusick timespecadd(&readtime[bp->b_type], &finish); 318247212Smckusick } 31966864Sadrian bp->b_bno = dblk; 32066864Sadrian bp->b_size = size; 32166864Sadrian } 32266864Sadrian} 32366864Sadrian 32466864Sadrianvoid 32592839Simpflush(int fd, struct bufarea *bp) 32666864Sadrian{ 32792806Sobrien int i, j; 32866864Sadrian 32966864Sadrian if (!bp->b_dirty) 33066864Sadrian return; 33174556Smckusick bp->b_dirty = 0; 33274556Smckusick if (fswritefd < 0) { 33374556Smckusick pfatal("WRITING IN READ_ONLY MODE.\n"); 33474556Smckusick return; 33574556Smckusick } 33666864Sadrian if (bp->b_errs != 0) 337100935Sphk pfatal("WRITING %sZERO'ED BLOCK %lld TO DISK\n", 33866864Sadrian (bp->b_errs == bp->b_size / dev_bsize) ? "" : "PARTIALLY ", 339100935Sphk (long long)bp->b_bno); 34066864Sadrian bp->b_errs = 0; 341240406Sobrien blwrite(fd, bp->b_un.b_buf, bp->b_bno, bp->b_size); 34266864Sadrian if (bp != &sblk) 34366864Sadrian return; 34466864Sadrian for (i = 0, j = 0; i < sblock.fs_cssize; i += sblock.fs_bsize, j++) { 345163845Spjd blwrite(fswritefd, (char *)sblock.fs_csp + i, 34666864Sadrian fsbtodb(&sblock, sblock.fs_csaddr + j * sblock.fs_frag), 34766864Sadrian sblock.fs_cssize - i < sblock.fs_bsize ? 34866864Sadrian sblock.fs_cssize - i : sblock.fs_bsize); 34966864Sadrian } 35066864Sadrian} 35166864Sadrian 35274556Smckusickvoid 353100935Sphkrwerror(const char *mesg, ufs2_daddr_t blk) 35466864Sadrian{ 35566864Sadrian 35675927Smckusick if (bkgrdcheck) 35775927Smckusick exit(EEXIT); 35866864Sadrian if (preen == 0) 35966864Sadrian printf("\n"); 36086514Siedowse pfatal("CANNOT %s: %ld", mesg, (long)blk); 36166864Sadrian if (reply("CONTINUE") == 0) 36266864Sadrian exit(EEXIT); 36366864Sadrian} 36466864Sadrian 36566864Sadrianvoid 36692839Simpckfini(int markclean) 36766864Sadrian{ 36892806Sobrien struct bufarea *bp, *nbp; 369246812Smckusick int ofsmodified, cnt; 37066864Sadrian 37174556Smckusick if (bkgrdflag) { 37274556Smckusick unlink(snapname); 37374556Smckusick if ((!(sblock.fs_flags & FS_UNCLEAN)) != markclean) { 37474556Smckusick cmd.value = FS_UNCLEAN; 37574556Smckusick cmd.size = markclean ? -1 : 1; 37674556Smckusick if (sysctlbyname("vfs.ffs.setflags", 0, 0, 37774556Smckusick &cmd, sizeof cmd) == -1) 378118302Sru rwerror("SET FILE SYSTEM FLAGS", FS_UNCLEAN); 37974556Smckusick if (!preen) { 38074556Smckusick printf("\n***** FILE SYSTEM MARKED %s *****\n", 38174556Smckusick markclean ? "CLEAN" : "DIRTY"); 38274556Smckusick if (!markclean) 38374556Smckusick rerun = 1; 38474556Smckusick } 38574556Smckusick } else if (!preen && !markclean) { 38674556Smckusick printf("\n***** FILE SYSTEM STILL DIRTY *****\n"); 38774556Smckusick rerun = 1; 38874556Smckusick } 38974556Smckusick } 390246812Smckusick if (debug && totalreads > 0) 391246812Smckusick printf("cache with %d buffers missed %ld of %ld (%d%%)\n", 392247212Smckusick numbufs, totaldiskreads, totalreads, 393247212Smckusick (int)(totaldiskreads * 100 / totalreads)); 39466864Sadrian if (fswritefd < 0) { 39566864Sadrian (void)close(fsreadfd); 39666864Sadrian return; 39766864Sadrian } 39866864Sadrian flush(fswritefd, &sblk); 39998542Smckusick if (havesb && cursnapshot == 0 && sblock.fs_magic == FS_UFS2_MAGIC && 400107294Smckusick sblk.b_bno != sblock.fs_sblockloc / dev_bsize && 40166864Sadrian !preen && reply("UPDATE STANDARD SUPERBLOCK")) { 402107294Smckusick sblk.b_bno = sblock.fs_sblockloc / dev_bsize; 40366864Sadrian sbdirty(); 40466864Sadrian flush(fswritefd, &sblk); 40566864Sadrian } 40666864Sadrian flush(fswritefd, &cgblk); 40766864Sadrian free(cgblk.b_un.b_buf); 408246812Smckusick cnt = 0; 409246812Smckusick TAILQ_FOREACH_REVERSE_SAFE(bp, &bufhead, buflist, b_list, nbp) { 410246812Smckusick TAILQ_REMOVE(&bufhead, bp, b_list); 41166864Sadrian cnt++; 41266864Sadrian flush(fswritefd, bp); 41366864Sadrian free(bp->b_un.b_buf); 41466864Sadrian free((char *)bp); 41566864Sadrian } 416246812Smckusick if (numbufs != cnt) 417246812Smckusick errx(EEXIT, "panic: lost %d buffers", numbufs - cnt); 418248658Smckusick for (cnt = 0; cnt < sblock.fs_ncg; cnt++) { 419248658Smckusick if (cgbufs[cnt].b_un.b_cg == NULL) 420248658Smckusick continue; 421248658Smckusick flush(fswritefd, &cgbufs[cnt]); 422248658Smckusick free(cgbufs[cnt].b_un.b_cg); 423248658Smckusick } 424248658Smckusick free(cgbufs); 42566864Sadrian pbp = pdirbp = (struct bufarea *)0; 42674556Smckusick if (cursnapshot == 0 && sblock.fs_clean != markclean) { 427105436Smckusick if ((sblock.fs_clean = markclean) != 0) { 42875557Smckusick sblock.fs_flags &= ~(FS_UNCLEAN | FS_NEEDSFSCK); 429105436Smckusick sblock.fs_pendingblocks = 0; 430105436Smckusick sblock.fs_pendinginodes = 0; 431105436Smckusick } 43266864Sadrian sbdirty(); 43366864Sadrian ofsmodified = fsmodified; 43466864Sadrian flush(fswritefd, &sblk); 43566864Sadrian fsmodified = ofsmodified; 43666864Sadrian if (!preen) { 43766864Sadrian printf("\n***** FILE SYSTEM MARKED %s *****\n", 43866864Sadrian markclean ? "CLEAN" : "DIRTY"); 43966864Sadrian if (!markclean) 44066864Sadrian rerun = 1; 44166864Sadrian } 442188110Smckusick } else if (!preen) { 443188110Smckusick if (markclean) { 444188110Smckusick printf("\n***** FILE SYSTEM IS CLEAN *****\n"); 445188110Smckusick } else { 446188110Smckusick printf("\n***** FILE SYSTEM STILL DIRTY *****\n"); 447188110Smckusick rerun = 1; 448188110Smckusick } 44966864Sadrian } 45066864Sadrian (void)close(fsreadfd); 45166864Sadrian (void)close(fswritefd); 45266864Sadrian} 45366864Sadrian 454247212Smckusick/* 455247212Smckusick * Print out I/O statistics. 456247212Smckusick */ 457247212Smckusickvoid 458247212SmckusickIOstats(char *what) 459247212Smckusick{ 460247212Smckusick int i; 461247212Smckusick 462247212Smckusick if (debug == 0) 463247212Smckusick return; 464247212Smckusick if (diskreads == 0) { 465247212Smckusick printf("%s: no I/O\n\n", what); 466247212Smckusick return; 467247212Smckusick } 468247212Smckusick if (startpass.tv_sec == 0) 469247212Smckusick startpass = startprog; 470247212Smckusick printf("%s: I/O statistics\n", what); 471247212Smckusick printIOstats(); 472247212Smckusick totaldiskreads += diskreads; 473247212Smckusick diskreads = 0; 474247212Smckusick for (i = 0; i < BT_NUMBUFTYPES; i++) { 475247212Smckusick timespecadd(&totalreadtime[i], &readtime[i]); 476247212Smckusick totalreadcnt[i] += readcnt[i]; 477247212Smckusick readtime[i].tv_sec = readtime[i].tv_nsec = 0; 478247212Smckusick readcnt[i] = 0; 479247212Smckusick } 480247212Smckusick clock_gettime(CLOCK_REALTIME_PRECISE, &startpass); 481247212Smckusick} 482247212Smckusick 483247212Smckusickvoid 484247212SmckusickfinalIOstats(void) 485247212Smckusick{ 486247212Smckusick int i; 487247212Smckusick 488247212Smckusick if (debug == 0) 489247212Smckusick return; 490247212Smckusick printf("Final I/O statistics\n"); 491247212Smckusick totaldiskreads += diskreads; 492247212Smckusick diskreads = totaldiskreads; 493247212Smckusick startpass = startprog; 494247212Smckusick for (i = 0; i < BT_NUMBUFTYPES; i++) { 495247212Smckusick timespecadd(&totalreadtime[i], &readtime[i]); 496247212Smckusick totalreadcnt[i] += readcnt[i]; 497247212Smckusick readtime[i] = totalreadtime[i]; 498247212Smckusick readcnt[i] = totalreadcnt[i]; 499247212Smckusick } 500247212Smckusick printIOstats(); 501247212Smckusick} 502247212Smckusick 503247212Smckusickstatic void printIOstats(void) 504247212Smckusick{ 505247212Smckusick long long msec, totalmsec; 506247212Smckusick int i; 507247212Smckusick 508247212Smckusick clock_gettime(CLOCK_REALTIME_PRECISE, &finishpass); 509247212Smckusick timespecsub(&finishpass, &startpass); 510248691Smckusick printf("Running time: %jd.%03ld sec\n", 511248680Ssbruno (intmax_t)finishpass.tv_sec, finishpass.tv_nsec / 1000000); 512247212Smckusick printf("buffer reads by type:\n"); 513247212Smckusick for (totalmsec = 0, i = 0; i < BT_NUMBUFTYPES; i++) 514247212Smckusick totalmsec += readtime[i].tv_sec * 1000 + 515247212Smckusick readtime[i].tv_nsec / 1000000; 516247212Smckusick if (totalmsec == 0) 517247212Smckusick totalmsec = 1; 518247212Smckusick for (i = 0; i < BT_NUMBUFTYPES; i++) { 519247212Smckusick if (readcnt[i] == 0) 520247212Smckusick continue; 521248691Smckusick msec = 522248691Smckusick readtime[i].tv_sec * 1000 + readtime[i].tv_nsec / 1000000; 523248680Ssbruno printf("%21s:%8ld %2ld.%ld%% %4jd.%03ld sec %2lld.%lld%%\n", 524247212Smckusick buftype[i], readcnt[i], readcnt[i] * 100 / diskreads, 525248658Smckusick (readcnt[i] * 1000 / diskreads) % 10, 526248680Ssbruno (intmax_t)readtime[i].tv_sec, readtime[i].tv_nsec / 1000000, 527247212Smckusick msec * 100 / totalmsec, (msec * 1000 / totalmsec) % 10); 528247212Smckusick } 529247212Smckusick printf("\n"); 530247212Smckusick} 531247212Smckusick 53266864Sadrianint 533163845Spjdblread(int fd, char *buf, ufs2_daddr_t blk, long size) 53466864Sadrian{ 53566864Sadrian char *cp; 53666864Sadrian int i, errs; 53766864Sadrian off_t offset; 53866864Sadrian 53966864Sadrian offset = blk; 54066864Sadrian offset *= dev_bsize; 541107671Siedowse if (bkgrdflag) 542107671Siedowse slowio_start(); 543247212Smckusick totalreads++; 544247212Smckusick diskreads++; 54566864Sadrian if (lseek(fd, offset, 0) < 0) 54674556Smckusick rwerror("SEEK BLK", blk); 547107671Siedowse else if (read(fd, buf, (int)size) == size) { 548107671Siedowse if (bkgrdflag) 549107671Siedowse slowio_end(); 55066864Sadrian return (0); 551107671Siedowse } 55274556Smckusick rwerror("READ BLK", blk); 55366864Sadrian if (lseek(fd, offset, 0) < 0) 55474556Smckusick rwerror("SEEK BLK", blk); 55566864Sadrian errs = 0; 55666864Sadrian memset(buf, 0, (size_t)size); 55766864Sadrian printf("THE FOLLOWING DISK SECTORS COULD NOT BE READ:"); 55866864Sadrian for (cp = buf, i = 0; i < size; i += secsize, cp += secsize) { 55966864Sadrian if (read(fd, cp, (int)secsize) != secsize) { 56066864Sadrian (void)lseek(fd, offset + i + secsize, 0); 56166864Sadrian if (secsize != dev_bsize && dev_bsize != 1) 562101037Smux printf(" %jd (%jd),", 563101037Smux (intmax_t)(blk * dev_bsize + i) / secsize, 564101037Smux (intmax_t)blk + i / dev_bsize); 56566864Sadrian else 566101037Smux printf(" %jd,", (intmax_t)blk + i / dev_bsize); 56766864Sadrian errs++; 56866864Sadrian } 56966864Sadrian } 57066864Sadrian printf("\n"); 57166864Sadrian if (errs) 57266864Sadrian resolved = 0; 57366864Sadrian return (errs); 57466864Sadrian} 57566864Sadrian 57666864Sadrianvoid 577240406Sobrienblwrite(int fd, char *buf, ufs2_daddr_t blk, ssize_t size) 57866864Sadrian{ 57966864Sadrian int i; 58066864Sadrian char *cp; 58166864Sadrian off_t offset; 58266864Sadrian 58366864Sadrian if (fd < 0) 58466864Sadrian return; 58566864Sadrian offset = blk; 58666864Sadrian offset *= dev_bsize; 58766864Sadrian if (lseek(fd, offset, 0) < 0) 58874556Smckusick rwerror("SEEK BLK", blk); 589240406Sobrien else if (write(fd, buf, size) == size) { 59066864Sadrian fsmodified = 1; 59166864Sadrian return; 59266864Sadrian } 59366864Sadrian resolved = 0; 59474556Smckusick rwerror("WRITE BLK", blk); 59566864Sadrian if (lseek(fd, offset, 0) < 0) 59674556Smckusick rwerror("SEEK BLK", blk); 59766864Sadrian printf("THE FOLLOWING SECTORS COULD NOT BE WRITTEN:"); 59866864Sadrian for (cp = buf, i = 0; i < size; i += dev_bsize, cp += dev_bsize) 599240406Sobrien if (write(fd, cp, dev_bsize) != dev_bsize) { 60066864Sadrian (void)lseek(fd, offset + i + dev_bsize, 0); 601101037Smux printf(" %jd,", (intmax_t)blk + i / dev_bsize); 60266864Sadrian } 60366864Sadrian printf("\n"); 60466864Sadrian return; 60566864Sadrian} 60666864Sadrian 607221233Sdesvoid 608221233Sdesblerase(int fd, ufs2_daddr_t blk, long size) 609221233Sdes{ 610221233Sdes off_t ioarg[2]; 611221233Sdes 612221233Sdes if (fd < 0) 613221233Sdes return; 614221233Sdes ioarg[0] = blk * dev_bsize; 615221233Sdes ioarg[1] = size; 616221233Sdes ioctl(fd, DIOCGDELETE, ioarg); 617221233Sdes /* we don't really care if we succeed or not */ 618221233Sdes return; 619221233Sdes} 620221233Sdes 621250056Sdesvoid 622250056Sdesblzero(int fd, ufs2_daddr_t blk, long size) 623250056Sdes{ 624250056Sdes static char *zero; 625250056Sdes off_t offset, len; 626250056Sdes 627250056Sdes if (fd < 0) 628250056Sdes return; 629250056Sdes len = ZEROBUFSIZE; 630250056Sdes if (zero == NULL) { 631250056Sdes zero = calloc(len, 1); 632250056Sdes if (zero == NULL) 633250056Sdes errx(EEXIT, "cannot allocate buffer pool"); 634250056Sdes } 635250056Sdes offset = blk * dev_bsize; 636250056Sdes if (lseek(fd, offset, 0) < 0) 637250056Sdes rwerror("SEEK BLK", blk); 638250056Sdes while (size > 0) { 639250056Sdes if (size > len) 640250056Sdes size = len; 641250056Sdes else 642250056Sdes len = size; 643250056Sdes if (write(fd, zero, len) != len) 644250056Sdes rwerror("WRITE BLK", blk); 645250056Sdes blk += len / dev_bsize; 646250056Sdes size -= len; 647250056Sdes } 648250056Sdes} 649250056Sdes 65066864Sadrian/* 651188110Smckusick * Verify cylinder group's magic number and other parameters. If the 652188110Smckusick * test fails, offer an option to rebuild the whole cylinder group. 653178088Sdelphij */ 654188110Smckusickint 655248658Smckusickcheck_cgmagic(int cg, struct bufarea *cgbp) 656178088Sdelphij{ 657248658Smckusick struct cg *cgp = cgbp->b_un.b_cg; 658178088Sdelphij 659188110Smckusick /* 660188110Smckusick * Extended cylinder group checks. 661188110Smckusick */ 662188110Smckusick if (cg_chkmagic(cgp) && 663188110Smckusick ((sblock.fs_magic == FS_UFS1_MAGIC && 664188110Smckusick cgp->cg_old_niblk == sblock.fs_ipg && 665188110Smckusick cgp->cg_ndblk <= sblock.fs_fpg && 666201700Smckusick cgp->cg_old_ncyl <= sblock.fs_old_cpg) || 667188110Smckusick (sblock.fs_magic == FS_UFS2_MAGIC && 668188110Smckusick cgp->cg_niblk == sblock.fs_ipg && 669188110Smckusick cgp->cg_ndblk <= sblock.fs_fpg && 670188110Smckusick cgp->cg_initediblk <= sblock.fs_ipg))) { 671188110Smckusick return (1); 672178088Sdelphij } 673188110Smckusick pfatal("CYLINDER GROUP %d: BAD MAGIC NUMBER", cg); 674188110Smckusick if (!reply("REBUILD CYLINDER GROUP")) { 675188110Smckusick printf("YOU WILL NEED TO RERUN FSCK.\n"); 676188110Smckusick rerun = 1; 677188110Smckusick return (1); 678188110Smckusick } 679188110Smckusick /* 680188110Smckusick * Zero out the cylinder group and then initialize critical fields. 681188110Smckusick * Bit maps and summaries will be recalculated by later passes. 682188110Smckusick */ 683188110Smckusick memset(cgp, 0, (size_t)sblock.fs_cgsize); 684188110Smckusick cgp->cg_magic = CG_MAGIC; 685188110Smckusick cgp->cg_cgx = cg; 686188110Smckusick cgp->cg_niblk = sblock.fs_ipg; 687188110Smckusick cgp->cg_initediblk = sblock.fs_ipg < 2 * INOPB(&sblock) ? 688188110Smckusick sblock.fs_ipg : 2 * INOPB(&sblock); 689188110Smckusick if (cgbase(&sblock, cg) + sblock.fs_fpg < sblock.fs_size) 690188110Smckusick cgp->cg_ndblk = sblock.fs_fpg; 691188110Smckusick else 692188110Smckusick cgp->cg_ndblk = sblock.fs_size - cgbase(&sblock, cg); 693188110Smckusick cgp->cg_iusedoff = &cgp->cg_space[0] - (u_char *)(&cgp->cg_firstfield); 694188110Smckusick if (sblock.fs_magic == FS_UFS1_MAGIC) { 695188110Smckusick cgp->cg_niblk = 0; 696188110Smckusick cgp->cg_initediblk = 0; 697188110Smckusick cgp->cg_old_ncyl = sblock.fs_old_cpg; 698188110Smckusick cgp->cg_old_niblk = sblock.fs_ipg; 699188110Smckusick cgp->cg_old_btotoff = cgp->cg_iusedoff; 700188110Smckusick cgp->cg_old_boff = cgp->cg_old_btotoff + 701188110Smckusick sblock.fs_old_cpg * sizeof(int32_t); 702188110Smckusick cgp->cg_iusedoff = cgp->cg_old_boff + 703188110Smckusick sblock.fs_old_cpg * sizeof(u_int16_t); 704188110Smckusick } 705188110Smckusick cgp->cg_freeoff = cgp->cg_iusedoff + howmany(sblock.fs_ipg, CHAR_BIT); 706188110Smckusick cgp->cg_nextfreeoff = cgp->cg_freeoff + howmany(sblock.fs_fpg,CHAR_BIT); 707188110Smckusick if (sblock.fs_contigsumsize > 0) { 708188110Smckusick cgp->cg_nclusterblks = cgp->cg_ndblk / sblock.fs_frag; 709188110Smckusick cgp->cg_clustersumoff = 710188110Smckusick roundup(cgp->cg_nextfreeoff, sizeof(u_int32_t)); 711188110Smckusick cgp->cg_clustersumoff -= sizeof(u_int32_t); 712188110Smckusick cgp->cg_clusteroff = cgp->cg_clustersumoff + 713188110Smckusick (sblock.fs_contigsumsize + 1) * sizeof(u_int32_t); 714188110Smckusick cgp->cg_nextfreeoff = cgp->cg_clusteroff + 715188110Smckusick howmany(fragstoblks(&sblock, sblock.fs_fpg), CHAR_BIT); 716188110Smckusick } 717248658Smckusick dirty(cgbp); 718188110Smckusick return (0); 719178088Sdelphij} 720178088Sdelphij 721178088Sdelphij/* 72266864Sadrian * allocate a data block with the specified number of fragments 72366864Sadrian */ 72498542Smckusickufs2_daddr_t 72592839Simpallocblk(long frags) 72666864Sadrian{ 72766864Sadrian int i, j, k, cg, baseblk; 728248658Smckusick struct bufarea *cgbp; 729248658Smckusick struct cg *cgp; 73066864Sadrian 73166864Sadrian if (frags <= 0 || frags > sblock.fs_frag) 73266864Sadrian return (0); 73366864Sadrian for (i = 0; i < maxfsblock - sblock.fs_frag; i += sblock.fs_frag) { 73466864Sadrian for (j = 0; j <= sblock.fs_frag - frags; j++) { 73566864Sadrian if (testbmap(i + j)) 73666864Sadrian continue; 73766864Sadrian for (k = 1; k < frags; k++) 73866864Sadrian if (testbmap(i + j + k)) 73966864Sadrian break; 74066864Sadrian if (k < frags) { 74166864Sadrian j += k; 74266864Sadrian continue; 74366864Sadrian } 74466864Sadrian cg = dtog(&sblock, i + j); 745248658Smckusick cgbp = cgget(cg); 746248658Smckusick cgp = cgbp->b_un.b_cg; 747248658Smckusick if (!check_cgmagic(cg, cgbp)) 748188110Smckusick return (0); 74966864Sadrian baseblk = dtogd(&sblock, i + j); 75066864Sadrian for (k = 0; k < frags; k++) { 75166864Sadrian setbmap(i + j + k); 75266864Sadrian clrbit(cg_blksfree(cgp), baseblk + k); 75366864Sadrian } 75466864Sadrian n_blks += frags; 75566864Sadrian if (frags == sblock.fs_frag) 75666864Sadrian cgp->cg_cs.cs_nbfree--; 75766864Sadrian else 75866864Sadrian cgp->cg_cs.cs_nffree -= frags; 759248658Smckusick dirty(cgbp); 76066864Sadrian return (i + j); 76166864Sadrian } 76266864Sadrian } 76366864Sadrian return (0); 76466864Sadrian} 76566864Sadrian 76666864Sadrian/* 76766864Sadrian * Free a previously allocated block 76866864Sadrian */ 76966864Sadrianvoid 77098542Smckusickfreeblk(ufs2_daddr_t blkno, long frags) 77166864Sadrian{ 77266864Sadrian struct inodesc idesc; 77366864Sadrian 77466864Sadrian idesc.id_blkno = blkno; 77566864Sadrian idesc.id_numfrags = frags; 77666864Sadrian (void)pass4check(&idesc); 77766864Sadrian} 77866864Sadrian 779107671Siedowse/* Slow down IO so as to leave some disk bandwidth for other processes */ 780107671Siedowsevoid 781107671Siedowseslowio_start() 782107671Siedowse{ 783107671Siedowse 784129401Sscottl /* Delay one in every 8 operations */ 785107671Siedowse slowio_pollcnt = (slowio_pollcnt + 1) & 7; 786107671Siedowse if (slowio_pollcnt == 0) { 787107671Siedowse gettimeofday(&slowio_starttime, NULL); 788107671Siedowse } 789107671Siedowse} 790107671Siedowse 791107671Siedowsevoid 792107671Siedowseslowio_end() 793107671Siedowse{ 794107671Siedowse struct timeval tv; 795107671Siedowse int delay_usec; 796107671Siedowse 797107671Siedowse if (slowio_pollcnt != 0) 798107671Siedowse return; 799107671Siedowse 800107671Siedowse /* Update the slowdown interval. */ 801107671Siedowse gettimeofday(&tv, NULL); 802107671Siedowse delay_usec = (tv.tv_sec - slowio_starttime.tv_sec) * 1000000 + 803107671Siedowse (tv.tv_usec - slowio_starttime.tv_usec); 804107671Siedowse if (delay_usec < 64) 805107671Siedowse delay_usec = 64; 806129401Sscottl if (delay_usec > 2500000) 807129401Sscottl delay_usec = 2500000; 808107671Siedowse slowio_delay_usec = (slowio_delay_usec * 63 + delay_usec) >> 6; 809129401Sscottl /* delay by 8 times the average IO delay */ 810129401Sscottl if (slowio_delay_usec > 64) 811129401Sscottl usleep(slowio_delay_usec * 8); 812107671Siedowse} 813107671Siedowse 81466864Sadrian/* 81566864Sadrian * Find a pathname 81666864Sadrian */ 81766864Sadrianvoid 81892839Simpgetpathname(char *namebuf, ino_t curdir, ino_t ino) 81966864Sadrian{ 82066864Sadrian int len; 82192806Sobrien char *cp; 82266864Sadrian struct inodesc idesc; 82366864Sadrian static int busy = 0; 82466864Sadrian 82566864Sadrian if (curdir == ino && ino == ROOTINO) { 82666864Sadrian (void)strcpy(namebuf, "/"); 82766864Sadrian return; 82866864Sadrian } 829136281Struckman if (busy || !INO_IS_DVALID(curdir)) { 83066864Sadrian (void)strcpy(namebuf, "?"); 83166864Sadrian return; 83266864Sadrian } 83366864Sadrian busy = 1; 83466864Sadrian memset(&idesc, 0, sizeof(struct inodesc)); 83566864Sadrian idesc.id_type = DATA; 83666864Sadrian idesc.id_fix = IGNORE; 83766864Sadrian cp = &namebuf[MAXPATHLEN - 1]; 83866864Sadrian *cp = '\0'; 83966864Sadrian if (curdir != ino) { 84066864Sadrian idesc.id_parent = curdir; 84166864Sadrian goto namelookup; 84266864Sadrian } 84366864Sadrian while (ino != ROOTINO) { 84466864Sadrian idesc.id_number = ino; 84566864Sadrian idesc.id_func = findino; 846100935Sphk idesc.id_name = strdup(".."); 84766864Sadrian if ((ckinode(ginode(ino), &idesc) & FOUND) == 0) 84866864Sadrian break; 84966864Sadrian namelookup: 85066864Sadrian idesc.id_number = idesc.id_parent; 85166864Sadrian idesc.id_parent = ino; 85266864Sadrian idesc.id_func = findname; 85366864Sadrian idesc.id_name = namebuf; 85466864Sadrian if ((ckinode(ginode(idesc.id_number), &idesc)&FOUND) == 0) 85566864Sadrian break; 85666864Sadrian len = strlen(namebuf); 85766864Sadrian cp -= len; 85866864Sadrian memmove(cp, namebuf, (size_t)len); 85966864Sadrian *--cp = '/'; 86066864Sadrian if (cp < &namebuf[MAXNAMLEN]) 86166864Sadrian break; 86266864Sadrian ino = idesc.id_number; 86366864Sadrian } 86466864Sadrian busy = 0; 86566864Sadrian if (ino != ROOTINO) 86666864Sadrian *--cp = '?'; 86766864Sadrian memmove(namebuf, cp, (size_t)(&namebuf[MAXPATHLEN] - cp)); 86866864Sadrian} 86966864Sadrian 87066864Sadrianvoid 871100935Sphkcatch(int sig __unused) 87266864Sadrian{ 87396483Sphk 87496483Sphk ckfini(0); 87566864Sadrian exit(12); 87666864Sadrian} 87766864Sadrian 87866864Sadrian/* 87966864Sadrian * When preening, allow a single quit to signal 880102231Strhodes * a special exit after file system checks complete 88166864Sadrian * so that reboot sequence may be interrupted. 88266864Sadrian */ 88366864Sadrianvoid 884100935Sphkcatchquit(int sig __unused) 88566864Sadrian{ 886102231Strhodes printf("returning to single-user after file system check\n"); 88766864Sadrian returntosingle = 1; 88866864Sadrian (void)signal(SIGQUIT, SIG_DFL); 88966864Sadrian} 89066864Sadrian 89166864Sadrian/* 89266864Sadrian * determine whether an inode should be fixed. 89366864Sadrian */ 89466864Sadrianint 895100935Sphkdofix(struct inodesc *idesc, const char *msg) 89666864Sadrian{ 89766864Sadrian 89866864Sadrian switch (idesc->id_fix) { 89966864Sadrian 90066864Sadrian case DONTKNOW: 90166864Sadrian if (idesc->id_type == DATA) 90266864Sadrian direrror(idesc->id_number, msg); 90366864Sadrian else 90481911Skris pwarn("%s", msg); 90566864Sadrian if (preen) { 90666864Sadrian printf(" (SALVAGED)\n"); 90766864Sadrian idesc->id_fix = FIX; 90866864Sadrian return (ALTERED); 90966864Sadrian } 91066864Sadrian if (reply("SALVAGE") == 0) { 91166864Sadrian idesc->id_fix = NOFIX; 91266864Sadrian return (0); 91366864Sadrian } 91466864Sadrian idesc->id_fix = FIX; 91566864Sadrian return (ALTERED); 91666864Sadrian 91766864Sadrian case FIX: 91866864Sadrian return (ALTERED); 91966864Sadrian 92066864Sadrian case NOFIX: 92166864Sadrian case IGNORE: 92266864Sadrian return (0); 92366864Sadrian 92466864Sadrian default: 92566864Sadrian errx(EEXIT, "UNKNOWN INODESC FIX MODE %d", idesc->id_fix); 92666864Sadrian } 92766864Sadrian /* NOTREACHED */ 92866864Sadrian return (0); 92966864Sadrian} 93066864Sadrian 93166864Sadrian#include <stdarg.h> 93266864Sadrian 93366864Sadrian/* 934229778Suqs * An unexpected inconsistency occurred. 935102231Strhodes * Die if preening or file system is running with soft dependency protocol, 93666864Sadrian * otherwise just print message and continue. 93766864Sadrian */ 93866864Sadrianvoid 93966864Sadrianpfatal(const char *fmt, ...) 94066864Sadrian{ 94166864Sadrian va_list ap; 94266864Sadrian va_start(ap, fmt); 94366864Sadrian if (!preen) { 94475927Smckusick (void)vfprintf(stdout, fmt, ap); 94566864Sadrian va_end(ap); 94666864Sadrian if (usedsoftdep) 94775927Smckusick (void)fprintf(stdout, 94866864Sadrian "\nUNEXPECTED SOFT UPDATE INCONSISTENCY\n"); 94975557Smckusick /* 95075557Smckusick * Force foreground fsck to clean up inconsistency. 95175557Smckusick */ 95275557Smckusick if (bkgrdflag) { 95375557Smckusick cmd.value = FS_NEEDSFSCK; 95475557Smckusick cmd.size = 1; 95575557Smckusick if (sysctlbyname("vfs.ffs.setflags", 0, 0, 95675557Smckusick &cmd, sizeof cmd) == -1) 95775557Smckusick pwarn("CANNOT SET FS_NEEDSFSCK FLAG\n"); 95875927Smckusick fprintf(stdout, "CANNOT RUN IN BACKGROUND\n"); 95975557Smckusick ckfini(0); 96075557Smckusick exit(EEXIT); 96175557Smckusick } 96266864Sadrian return; 96366864Sadrian } 96466864Sadrian if (cdevname == NULL) 965100935Sphk cdevname = strdup("fsck"); 96675927Smckusick (void)fprintf(stdout, "%s: ", cdevname); 96775927Smckusick (void)vfprintf(stdout, fmt, ap); 96875927Smckusick (void)fprintf(stdout, 96966864Sadrian "\n%s: UNEXPECTED%sINCONSISTENCY; RUN fsck MANUALLY.\n", 97066864Sadrian cdevname, usedsoftdep ? " SOFT UPDATE " : " "); 97175557Smckusick /* 97275557Smckusick * Force foreground fsck to clean up inconsistency. 97375557Smckusick */ 97475557Smckusick if (bkgrdflag) { 97575557Smckusick cmd.value = FS_NEEDSFSCK; 97675557Smckusick cmd.size = 1; 97775557Smckusick if (sysctlbyname("vfs.ffs.setflags", 0, 0, 97875557Smckusick &cmd, sizeof cmd) == -1) 97975557Smckusick pwarn("CANNOT SET FS_NEEDSFSCK FLAG\n"); 98075557Smckusick } 98166864Sadrian ckfini(0); 98266864Sadrian exit(EEXIT); 98366864Sadrian} 98466864Sadrian 98566864Sadrian/* 98666864Sadrian * Pwarn just prints a message when not preening or running soft dependency 98766864Sadrian * protocol, or a warning (preceded by filename) when preening. 98866864Sadrian */ 98966864Sadrianvoid 99066864Sadrianpwarn(const char *fmt, ...) 99166864Sadrian{ 99266864Sadrian va_list ap; 99366864Sadrian va_start(ap, fmt); 99466864Sadrian if (preen) 99575927Smckusick (void)fprintf(stdout, "%s: ", cdevname); 99675927Smckusick (void)vfprintf(stdout, fmt, ap); 99766864Sadrian va_end(ap); 99866864Sadrian} 99966864Sadrian 100066864Sadrian/* 100166864Sadrian * Stub for routines from kernel. 100266864Sadrian */ 100366864Sadrianvoid 100466864Sadrianpanic(const char *fmt, ...) 100566864Sadrian{ 100666864Sadrian va_list ap; 100766864Sadrian va_start(ap, fmt); 100866864Sadrian pfatal("INTERNAL INCONSISTENCY:"); 100975927Smckusick (void)vfprintf(stdout, fmt, ap); 101066864Sadrian va_end(ap); 101166864Sadrian exit(EEXIT); 101266864Sadrian} 1013