fsutil.c revision 253155
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: stable/9/sbin/fsck_ffs/fsutil.c 253155 2013-07-10 14:13:37Z 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> 59249788Smckusick#include <time.h> 6066864Sadrian#include <unistd.h> 6166864Sadrian 6266864Sadrian#include "fsck.h" 6366864Sadrian 64107671Siedowsestatic void slowio_start(void); 65107671Siedowsestatic void slowio_end(void); 66249788Smckusickstatic void printIOstats(void); 67107671Siedowse 68249788Smckusickstatic long diskreads, totaldiskreads, totalreads; /* Disk cache statistics */ 69249788Smckusickstatic struct timespec startpass, finishpass; 70107671Siedowsestruct timeval slowio_starttime; 71107671Siedowseint slowio_delay_usec = 10000; /* Initial IO delay for background fsck */ 72107671Siedowseint slowio_pollcnt; 73249788Smckusickstatic struct bufarea cgblk; /* backup buffer for cylinder group blocks */ 74248628Smckusickstatic TAILQ_HEAD(buflist, bufarea) bufhead; /* head of buffer cache list */ 75248628Smckusickstatic int numbufs; /* size of buffer cache */ 76249788Smckusickstatic 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) 14766864Sadrian errx(EEXIT, "inoinfo: inumber %d out of range", inum); 14866864Sadrian ilp = &inostathead[inum / sblock.fs_ipg]; 14966864Sadrian iloff = inum % sblock.fs_ipg; 15066864Sadrian if (iloff >= ilp->il_numalloced) 15166864Sadrian return (&unallocated); 15266864Sadrian return (&ilp->il_stat[iloff]); 15366864Sadrian} 15466864Sadrian 15566864Sadrian/* 15666864Sadrian * Malloc buffers and set up cache. 15766864Sadrian */ 15866864Sadrianvoid 15992839Simpbufinit(void) 16066864Sadrian{ 16192806Sobrien struct bufarea *bp; 16266864Sadrian long bufcnt, i; 16366864Sadrian char *bufp; 16466864Sadrian 16566864Sadrian pbp = pdirbp = (struct bufarea *)0; 166249788Smckusick bufp = Malloc((unsigned int)sblock.fs_bsize); 16766864Sadrian if (bufp == 0) 16866864Sadrian errx(EEXIT, "cannot allocate buffer pool"); 16966864Sadrian cgblk.b_un.b_buf = bufp; 170249788Smckusick initbarea(&cgblk, BT_CYLGRP); 171248628Smckusick TAILQ_INIT(&bufhead); 172248628Smckusick bufcnt = MAXBUFS; 17366864Sadrian if (bufcnt < MINBUFS) 17466864Sadrian bufcnt = MINBUFS; 17566864Sadrian for (i = 0; i < bufcnt; i++) { 176249788Smckusick bp = (struct bufarea *)Malloc(sizeof(struct bufarea)); 177249788Smckusick bufp = Malloc((unsigned int)sblock.fs_bsize); 17866864Sadrian if (bp == NULL || bufp == NULL) { 17966864Sadrian if (i >= MINBUFS) 18066864Sadrian break; 18166864Sadrian errx(EEXIT, "cannot allocate buffer pool"); 18266864Sadrian } 18366864Sadrian bp->b_un.b_buf = bufp; 184248628Smckusick TAILQ_INSERT_HEAD(&bufhead, bp, b_list); 185249788Smckusick initbarea(bp, BT_UNKNOWN); 18666864Sadrian } 187248628Smckusick numbufs = i; /* save number of buffers */ 188249788Smckusick for (i = 0; i < BT_NUMBUFTYPES; i++) { 189249788Smckusick readtime[i].tv_sec = totalreadtime[i].tv_sec = 0; 190249788Smckusick readtime[i].tv_nsec = totalreadtime[i].tv_nsec = 0; 191249788Smckusick readcnt[i] = totalreadcnt[i] = 0; 192249788Smckusick } 19366864Sadrian} 19466864Sadrian 19566864Sadrian/* 196249788Smckusick * Manage cylinder group buffers. 197249788Smckusick */ 198249788Smckusickstatic struct bufarea *cgbufs; /* header for cylinder group cache */ 199249788Smckusickstatic int flushtries; /* number of tries to reclaim memory */ 200249788Smckusick 201249788Smckusickstruct bufarea * 202249788Smckusickcgget(int cg) 203249788Smckusick{ 204249788Smckusick struct bufarea *cgbp; 205249788Smckusick struct cg *cgp; 206249788Smckusick 207249788Smckusick if (cgbufs == NULL) { 208249788Smckusick cgbufs = Calloc(sblock.fs_ncg, sizeof(struct bufarea)); 209249788Smckusick if (cgbufs == NULL) 210249788Smckusick errx(EEXIT, "cannot allocate cylinder group buffers"); 211249788Smckusick } 212249788Smckusick cgbp = &cgbufs[cg]; 213249788Smckusick if (cgbp->b_un.b_cg != NULL) 214249788Smckusick return (cgbp); 215249788Smckusick cgp = NULL; 216249788Smckusick if (flushtries == 0) 217249788Smckusick cgp = malloc((unsigned int)sblock.fs_cgsize); 218249788Smckusick if (cgp == NULL) { 219249788Smckusick getblk(&cgblk, cgtod(&sblock, cg), sblock.fs_cgsize); 220249788Smckusick return (&cgblk); 221249788Smckusick } 222249788Smckusick cgbp->b_un.b_cg = cgp; 223249788Smckusick initbarea(cgbp, BT_CYLGRP); 224249788Smckusick getblk(cgbp, cgtod(&sblock, cg), sblock.fs_cgsize); 225249788Smckusick return (cgbp); 226249788Smckusick} 227249788Smckusick 228249788Smckusick/* 229249788Smckusick * Attempt to flush a cylinder group cache entry. 230249788Smckusick * Return whether the flush was successful. 231249788Smckusick */ 232249788Smckusickint 233249788Smckusickflushentry(void) 234249788Smckusick{ 235249788Smckusick struct bufarea *cgbp; 236249788Smckusick 237249788Smckusick cgbp = &cgbufs[flushtries++]; 238249788Smckusick if (cgbp->b_un.b_cg == NULL) 239249788Smckusick return (0); 240249788Smckusick flush(fswritefd, cgbp); 241249788Smckusick free(cgbp->b_un.b_buf); 242249788Smckusick cgbp->b_un.b_buf = NULL; 243249788Smckusick return (1); 244249788Smckusick} 245249788Smckusick 246249788Smckusick/* 24766864Sadrian * Manage a cache of directory blocks. 24866864Sadrian */ 24966864Sadrianstruct bufarea * 250249788Smckusickgetdatablk(ufs2_daddr_t blkno, long size, int type) 25166864Sadrian{ 25292806Sobrien struct bufarea *bp; 25366864Sadrian 254248628Smckusick TAILQ_FOREACH(bp, &bufhead, b_list) 25566864Sadrian if (bp->b_bno == fsbtodb(&sblock, blkno)) 25666864Sadrian goto foundit; 257248628Smckusick TAILQ_FOREACH_REVERSE(bp, &bufhead, buflist, b_list) 25866864Sadrian if ((bp->b_flags & B_INUSE) == 0) 25966864Sadrian break; 260248628Smckusick if (bp == NULL) 26166864Sadrian errx(EEXIT, "deadlocked buffer pool"); 262249788Smckusick bp->b_type = type; 26366864Sadrian getblk(bp, blkno, size); 26466864Sadrian /* fall through */ 26566864Sadrianfoundit: 266249788Smckusick if (debug && bp->b_type != type) 267249788Smckusick printf("Buffer type changed from %s to %s\n", 268249788Smckusick buftype[bp->b_type], buftype[type]); 269248628Smckusick TAILQ_REMOVE(&bufhead, bp, b_list); 270248628Smckusick TAILQ_INSERT_HEAD(&bufhead, bp, b_list); 27166864Sadrian bp->b_flags |= B_INUSE; 27266864Sadrian return (bp); 27366864Sadrian} 27466864Sadrian 275249788Smckusick/* 276249788Smckusick * Timespec operations (from <sys/time.h>). 277249788Smckusick */ 278249788Smckusick#define timespecsub(vvp, uvp) \ 279249788Smckusick do { \ 280249788Smckusick (vvp)->tv_sec -= (uvp)->tv_sec; \ 281249788Smckusick (vvp)->tv_nsec -= (uvp)->tv_nsec; \ 282249788Smckusick if ((vvp)->tv_nsec < 0) { \ 283249788Smckusick (vvp)->tv_sec--; \ 284249788Smckusick (vvp)->tv_nsec += 1000000000; \ 285249788Smckusick } \ 286249788Smckusick } while (0) 287249788Smckusick#define timespecadd(vvp, uvp) \ 288249788Smckusick do { \ 289249788Smckusick (vvp)->tv_sec += (uvp)->tv_sec; \ 290249788Smckusick (vvp)->tv_nsec += (uvp)->tv_nsec; \ 291249788Smckusick if ((vvp)->tv_nsec >= 1000000000) { \ 292249788Smckusick (vvp)->tv_sec++; \ 293249788Smckusick (vvp)->tv_nsec -= 1000000000; \ 294249788Smckusick } \ 295249788Smckusick } while (0) 296249788Smckusick 29766864Sadrianvoid 29898542Smckusickgetblk(struct bufarea *bp, ufs2_daddr_t blk, long size) 29966864Sadrian{ 30098542Smckusick ufs2_daddr_t dblk; 301249788Smckusick struct timespec start, finish; 30266864Sadrian 30366864Sadrian dblk = fsbtodb(&sblock, blk); 304249788Smckusick if (bp->b_bno == dblk) { 305249788Smckusick totalreads++; 306249788Smckusick } else { 30766864Sadrian flush(fswritefd, bp); 308249788Smckusick if (debug) { 309249788Smckusick readcnt[bp->b_type]++; 310249788Smckusick clock_gettime(CLOCK_REALTIME_PRECISE, &start); 311249788Smckusick } 312163845Spjd bp->b_errs = blread(fsreadfd, bp->b_un.b_buf, dblk, size); 313249788Smckusick if (debug) { 314249788Smckusick clock_gettime(CLOCK_REALTIME_PRECISE, &finish); 315249788Smckusick timespecsub(&finish, &start); 316249788Smckusick timespecadd(&readtime[bp->b_type], &finish); 317249788Smckusick } 31866864Sadrian bp->b_bno = dblk; 31966864Sadrian bp->b_size = size; 32066864Sadrian } 32166864Sadrian} 32266864Sadrian 32366864Sadrianvoid 32492839Simpflush(int fd, struct bufarea *bp) 32566864Sadrian{ 32692806Sobrien int i, j; 32766864Sadrian 32866864Sadrian if (!bp->b_dirty) 32966864Sadrian return; 33074556Smckusick bp->b_dirty = 0; 33174556Smckusick if (fswritefd < 0) { 33274556Smckusick pfatal("WRITING IN READ_ONLY MODE.\n"); 33374556Smckusick return; 33474556Smckusick } 33566864Sadrian if (bp->b_errs != 0) 336100935Sphk pfatal("WRITING %sZERO'ED BLOCK %lld TO DISK\n", 33766864Sadrian (bp->b_errs == bp->b_size / dev_bsize) ? "" : "PARTIALLY ", 338100935Sphk (long long)bp->b_bno); 33966864Sadrian bp->b_errs = 0; 340163845Spjd blwrite(fd, bp->b_un.b_buf, bp->b_bno, (long)bp->b_size); 34166864Sadrian if (bp != &sblk) 34266864Sadrian return; 34366864Sadrian for (i = 0, j = 0; i < sblock.fs_cssize; i += sblock.fs_bsize, j++) { 344163845Spjd blwrite(fswritefd, (char *)sblock.fs_csp + i, 34566864Sadrian fsbtodb(&sblock, sblock.fs_csaddr + j * sblock.fs_frag), 34666864Sadrian sblock.fs_cssize - i < sblock.fs_bsize ? 34766864Sadrian sblock.fs_cssize - i : sblock.fs_bsize); 34866864Sadrian } 34966864Sadrian} 35066864Sadrian 35174556Smckusickvoid 352100935Sphkrwerror(const char *mesg, ufs2_daddr_t blk) 35366864Sadrian{ 35466864Sadrian 35575927Smckusick if (bkgrdcheck) 35675927Smckusick exit(EEXIT); 35766864Sadrian if (preen == 0) 35866864Sadrian printf("\n"); 35986514Siedowse pfatal("CANNOT %s: %ld", mesg, (long)blk); 36066864Sadrian if (reply("CONTINUE") == 0) 36166864Sadrian exit(EEXIT); 36266864Sadrian} 36366864Sadrian 36466864Sadrianvoid 36592839Simpckfini(int markclean) 36666864Sadrian{ 36792806Sobrien struct bufarea *bp, *nbp; 368248628Smckusick int ofsmodified, cnt; 36966864Sadrian 37074556Smckusick if (bkgrdflag) { 37174556Smckusick unlink(snapname); 37274556Smckusick if ((!(sblock.fs_flags & FS_UNCLEAN)) != markclean) { 37374556Smckusick cmd.value = FS_UNCLEAN; 37474556Smckusick cmd.size = markclean ? -1 : 1; 37574556Smckusick if (sysctlbyname("vfs.ffs.setflags", 0, 0, 37674556Smckusick &cmd, sizeof cmd) == -1) 377118302Sru rwerror("SET FILE SYSTEM FLAGS", FS_UNCLEAN); 37874556Smckusick if (!preen) { 37974556Smckusick printf("\n***** FILE SYSTEM MARKED %s *****\n", 38074556Smckusick markclean ? "CLEAN" : "DIRTY"); 38174556Smckusick if (!markclean) 38274556Smckusick rerun = 1; 38374556Smckusick } 38474556Smckusick } else if (!preen && !markclean) { 38574556Smckusick printf("\n***** FILE SYSTEM STILL DIRTY *****\n"); 38674556Smckusick rerun = 1; 38774556Smckusick } 38874556Smckusick } 389248628Smckusick if (debug && totalreads > 0) 390248628Smckusick printf("cache with %d buffers missed %ld of %ld (%d%%)\n", 391249788Smckusick numbufs, totaldiskreads, totalreads, 392249788Smckusick (int)(totaldiskreads * 100 / totalreads)); 39366864Sadrian if (fswritefd < 0) { 39466864Sadrian (void)close(fsreadfd); 39566864Sadrian return; 39666864Sadrian } 39766864Sadrian flush(fswritefd, &sblk); 39898542Smckusick if (havesb && cursnapshot == 0 && sblock.fs_magic == FS_UFS2_MAGIC && 399107294Smckusick sblk.b_bno != sblock.fs_sblockloc / dev_bsize && 40066864Sadrian !preen && reply("UPDATE STANDARD SUPERBLOCK")) { 401107294Smckusick sblk.b_bno = sblock.fs_sblockloc / dev_bsize; 40266864Sadrian sbdirty(); 40366864Sadrian flush(fswritefd, &sblk); 40466864Sadrian } 40566864Sadrian flush(fswritefd, &cgblk); 40666864Sadrian free(cgblk.b_un.b_buf); 407248628Smckusick cnt = 0; 408248628Smckusick TAILQ_FOREACH_REVERSE_SAFE(bp, &bufhead, buflist, b_list, nbp) { 409248628Smckusick TAILQ_REMOVE(&bufhead, bp, b_list); 41066864Sadrian cnt++; 41166864Sadrian flush(fswritefd, bp); 41266864Sadrian free(bp->b_un.b_buf); 41366864Sadrian free((char *)bp); 41466864Sadrian } 415248628Smckusick if (numbufs != cnt) 416248628Smckusick errx(EEXIT, "panic: lost %d buffers", numbufs - cnt); 417249788Smckusick for (cnt = 0; cnt < sblock.fs_ncg; cnt++) { 418249788Smckusick if (cgbufs[cnt].b_un.b_cg == NULL) 419249788Smckusick continue; 420249788Smckusick flush(fswritefd, &cgbufs[cnt]); 421249788Smckusick free(cgbufs[cnt].b_un.b_cg); 422249788Smckusick } 423249788Smckusick free(cgbufs); 42466864Sadrian pbp = pdirbp = (struct bufarea *)0; 42574556Smckusick if (cursnapshot == 0 && sblock.fs_clean != markclean) { 426105436Smckusick if ((sblock.fs_clean = markclean) != 0) { 42775557Smckusick sblock.fs_flags &= ~(FS_UNCLEAN | FS_NEEDSFSCK); 428105436Smckusick sblock.fs_pendingblocks = 0; 429105436Smckusick sblock.fs_pendinginodes = 0; 430105436Smckusick } 43166864Sadrian sbdirty(); 43266864Sadrian ofsmodified = fsmodified; 43366864Sadrian flush(fswritefd, &sblk); 43466864Sadrian fsmodified = ofsmodified; 43566864Sadrian if (!preen) { 43666864Sadrian printf("\n***** FILE SYSTEM MARKED %s *****\n", 43766864Sadrian markclean ? "CLEAN" : "DIRTY"); 43866864Sadrian if (!markclean) 43966864Sadrian rerun = 1; 44066864Sadrian } 441188110Smckusick } else if (!preen) { 442188110Smckusick if (markclean) { 443188110Smckusick printf("\n***** FILE SYSTEM IS CLEAN *****\n"); 444188110Smckusick } else { 445188110Smckusick printf("\n***** FILE SYSTEM STILL DIRTY *****\n"); 446188110Smckusick rerun = 1; 447188110Smckusick } 44866864Sadrian } 44966864Sadrian (void)close(fsreadfd); 45066864Sadrian (void)close(fswritefd); 45166864Sadrian} 45266864Sadrian 453249788Smckusick/* 454249788Smckusick * Print out I/O statistics. 455249788Smckusick */ 456249788Smckusickvoid 457249788SmckusickIOstats(char *what) 458249788Smckusick{ 459249788Smckusick int i; 460249788Smckusick 461249788Smckusick if (debug == 0) 462249788Smckusick return; 463249788Smckusick if (diskreads == 0) { 464249788Smckusick printf("%s: no I/O\n\n", what); 465249788Smckusick return; 466249788Smckusick } 467249788Smckusick if (startpass.tv_sec == 0) 468249788Smckusick startpass = startprog; 469249788Smckusick printf("%s: I/O statistics\n", what); 470249788Smckusick printIOstats(); 471249788Smckusick totaldiskreads += diskreads; 472249788Smckusick diskreads = 0; 473249788Smckusick for (i = 0; i < BT_NUMBUFTYPES; i++) { 474249788Smckusick timespecadd(&totalreadtime[i], &readtime[i]); 475249788Smckusick totalreadcnt[i] += readcnt[i]; 476249788Smckusick readtime[i].tv_sec = readtime[i].tv_nsec = 0; 477249788Smckusick readcnt[i] = 0; 478249788Smckusick } 479249788Smckusick clock_gettime(CLOCK_REALTIME_PRECISE, &startpass); 480249788Smckusick} 481249788Smckusick 482249788Smckusickvoid 483249788SmckusickfinalIOstats(void) 484249788Smckusick{ 485249788Smckusick int i; 486249788Smckusick 487249788Smckusick if (debug == 0) 488249788Smckusick return; 489249788Smckusick printf("Final I/O statistics\n"); 490249788Smckusick totaldiskreads += diskreads; 491249788Smckusick diskreads = totaldiskreads; 492249788Smckusick startpass = startprog; 493249788Smckusick for (i = 0; i < BT_NUMBUFTYPES; i++) { 494249788Smckusick timespecadd(&totalreadtime[i], &readtime[i]); 495249788Smckusick totalreadcnt[i] += readcnt[i]; 496249788Smckusick readtime[i] = totalreadtime[i]; 497249788Smckusick readcnt[i] = totalreadcnt[i]; 498249788Smckusick } 499249788Smckusick printIOstats(); 500249788Smckusick} 501249788Smckusick 502249788Smckusickstatic void printIOstats(void) 503249788Smckusick{ 504249788Smckusick long long msec, totalmsec; 505249788Smckusick int i; 506249788Smckusick 507249788Smckusick clock_gettime(CLOCK_REALTIME_PRECISE, &finishpass); 508249788Smckusick timespecsub(&finishpass, &startpass); 509249788Smckusick printf("Running time: %jd.%03ld sec\n", 510249788Smckusick (intmax_t)finishpass.tv_sec, finishpass.tv_nsec / 1000000); 511249788Smckusick printf("buffer reads by type:\n"); 512249788Smckusick for (totalmsec = 0, i = 0; i < BT_NUMBUFTYPES; i++) 513249788Smckusick totalmsec += readtime[i].tv_sec * 1000 + 514249788Smckusick readtime[i].tv_nsec / 1000000; 515249788Smckusick if (totalmsec == 0) 516249788Smckusick totalmsec = 1; 517249788Smckusick for (i = 0; i < BT_NUMBUFTYPES; i++) { 518249788Smckusick if (readcnt[i] == 0) 519249788Smckusick continue; 520249788Smckusick msec = 521249788Smckusick readtime[i].tv_sec * 1000 + readtime[i].tv_nsec / 1000000; 522249788Smckusick printf("%21s:%8ld %2ld.%ld%% %4jd.%03ld sec %2lld.%lld%%\n", 523249788Smckusick buftype[i], readcnt[i], readcnt[i] * 100 / diskreads, 524249788Smckusick (readcnt[i] * 1000 / diskreads) % 10, 525249788Smckusick (intmax_t)readtime[i].tv_sec, readtime[i].tv_nsec / 1000000, 526249788Smckusick msec * 100 / totalmsec, (msec * 1000 / totalmsec) % 10); 527249788Smckusick } 528249788Smckusick printf("\n"); 529249788Smckusick} 530249788Smckusick 53166864Sadrianint 532163845Spjdblread(int fd, char *buf, ufs2_daddr_t blk, long size) 53366864Sadrian{ 53466864Sadrian char *cp; 53566864Sadrian int i, errs; 53666864Sadrian off_t offset; 53766864Sadrian 53866864Sadrian offset = blk; 53966864Sadrian offset *= dev_bsize; 540107671Siedowse if (bkgrdflag) 541107671Siedowse slowio_start(); 542249788Smckusick totalreads++; 543249788Smckusick diskreads++; 54466864Sadrian if (lseek(fd, offset, 0) < 0) 54574556Smckusick rwerror("SEEK BLK", blk); 546107671Siedowse else if (read(fd, buf, (int)size) == size) { 547107671Siedowse if (bkgrdflag) 548107671Siedowse slowio_end(); 54966864Sadrian return (0); 550107671Siedowse } 55174556Smckusick rwerror("READ BLK", blk); 55266864Sadrian if (lseek(fd, offset, 0) < 0) 55374556Smckusick rwerror("SEEK BLK", blk); 55466864Sadrian errs = 0; 55566864Sadrian memset(buf, 0, (size_t)size); 55666864Sadrian printf("THE FOLLOWING DISK SECTORS COULD NOT BE READ:"); 55766864Sadrian for (cp = buf, i = 0; i < size; i += secsize, cp += secsize) { 55866864Sadrian if (read(fd, cp, (int)secsize) != secsize) { 55966864Sadrian (void)lseek(fd, offset + i + secsize, 0); 56066864Sadrian if (secsize != dev_bsize && dev_bsize != 1) 561101037Smux printf(" %jd (%jd),", 562101037Smux (intmax_t)(blk * dev_bsize + i) / secsize, 563101037Smux (intmax_t)blk + i / dev_bsize); 56466864Sadrian else 565101037Smux printf(" %jd,", (intmax_t)blk + i / dev_bsize); 56666864Sadrian errs++; 56766864Sadrian } 56866864Sadrian } 56966864Sadrian printf("\n"); 57066864Sadrian if (errs) 57166864Sadrian resolved = 0; 57266864Sadrian return (errs); 57366864Sadrian} 57466864Sadrian 57566864Sadrianvoid 576163845Spjdblwrite(int fd, char *buf, ufs2_daddr_t blk, long size) 57766864Sadrian{ 57866864Sadrian int i; 57966864Sadrian char *cp; 58066864Sadrian off_t offset; 58166864Sadrian 58266864Sadrian if (fd < 0) 58366864Sadrian return; 58466864Sadrian offset = blk; 58566864Sadrian offset *= dev_bsize; 58666864Sadrian if (lseek(fd, offset, 0) < 0) 58774556Smckusick rwerror("SEEK BLK", blk); 58866864Sadrian else if (write(fd, buf, (int)size) == size) { 58966864Sadrian fsmodified = 1; 59066864Sadrian return; 59166864Sadrian } 59266864Sadrian resolved = 0; 59374556Smckusick rwerror("WRITE BLK", blk); 59466864Sadrian if (lseek(fd, offset, 0) < 0) 59574556Smckusick rwerror("SEEK BLK", blk); 59666864Sadrian printf("THE FOLLOWING SECTORS COULD NOT BE WRITTEN:"); 59766864Sadrian for (cp = buf, i = 0; i < size; i += dev_bsize, cp += dev_bsize) 59866864Sadrian if (write(fd, cp, (int)dev_bsize) != dev_bsize) { 59966864Sadrian (void)lseek(fd, offset + i + dev_bsize, 0); 600101037Smux printf(" %jd,", (intmax_t)blk + i / dev_bsize); 60166864Sadrian } 60266864Sadrian printf("\n"); 60366864Sadrian return; 60466864Sadrian} 60566864Sadrian 606221233Sdesvoid 607221233Sdesblerase(int fd, ufs2_daddr_t blk, long size) 608221233Sdes{ 609221233Sdes off_t ioarg[2]; 610221233Sdes 611221233Sdes if (fd < 0) 612221233Sdes return; 613221233Sdes ioarg[0] = blk * dev_bsize; 614221233Sdes ioarg[1] = size; 615221233Sdes ioctl(fd, DIOCGDELETE, ioarg); 616221233Sdes /* we don't really care if we succeed or not */ 617221233Sdes return; 618221233Sdes} 619221233Sdes 620253155Sdesvoid 621253155Sdesblzero(int fd, ufs2_daddr_t blk, long size) 622253155Sdes{ 623253155Sdes static char *zero; 624253155Sdes off_t offset, len; 625253155Sdes 626253155Sdes if (fd < 0) 627253155Sdes return; 628253155Sdes len = ZEROBUFSIZE; 629253155Sdes if (zero == NULL) { 630253155Sdes zero = calloc(len, 1); 631253155Sdes if (zero == NULL) 632253155Sdes errx(EEXIT, "cannot allocate buffer pool"); 633253155Sdes } 634253155Sdes offset = blk * dev_bsize; 635253155Sdes if (lseek(fd, offset, 0) < 0) 636253155Sdes rwerror("SEEK BLK", blk); 637253155Sdes while (size > 0) { 638253155Sdes if (size > len) 639253155Sdes size = len; 640253155Sdes else 641253155Sdes len = size; 642253155Sdes if (write(fd, zero, len) != len) 643253155Sdes rwerror("WRITE BLK", blk); 644253155Sdes blk += len / dev_bsize; 645253155Sdes size -= len; 646253155Sdes } 647253155Sdes} 648253155Sdes 64966864Sadrian/* 650188110Smckusick * Verify cylinder group's magic number and other parameters. If the 651188110Smckusick * test fails, offer an option to rebuild the whole cylinder group. 652178088Sdelphij */ 653188110Smckusickint 654249788Smckusickcheck_cgmagic(int cg, struct bufarea *cgbp) 655178088Sdelphij{ 656249788Smckusick struct cg *cgp = cgbp->b_un.b_cg; 657178088Sdelphij 658188110Smckusick /* 659188110Smckusick * Extended cylinder group checks. 660188110Smckusick */ 661188110Smckusick if (cg_chkmagic(cgp) && 662188110Smckusick ((sblock.fs_magic == FS_UFS1_MAGIC && 663188110Smckusick cgp->cg_old_niblk == sblock.fs_ipg && 664188110Smckusick cgp->cg_ndblk <= sblock.fs_fpg && 665201700Smckusick cgp->cg_old_ncyl <= sblock.fs_old_cpg) || 666188110Smckusick (sblock.fs_magic == FS_UFS2_MAGIC && 667188110Smckusick cgp->cg_niblk == sblock.fs_ipg && 668188110Smckusick cgp->cg_ndblk <= sblock.fs_fpg && 669188110Smckusick cgp->cg_initediblk <= sblock.fs_ipg))) { 670188110Smckusick return (1); 671178088Sdelphij } 672188110Smckusick pfatal("CYLINDER GROUP %d: BAD MAGIC NUMBER", cg); 673188110Smckusick if (!reply("REBUILD CYLINDER GROUP")) { 674188110Smckusick printf("YOU WILL NEED TO RERUN FSCK.\n"); 675188110Smckusick rerun = 1; 676188110Smckusick return (1); 677188110Smckusick } 678188110Smckusick /* 679188110Smckusick * Zero out the cylinder group and then initialize critical fields. 680188110Smckusick * Bit maps and summaries will be recalculated by later passes. 681188110Smckusick */ 682188110Smckusick memset(cgp, 0, (size_t)sblock.fs_cgsize); 683188110Smckusick cgp->cg_magic = CG_MAGIC; 684188110Smckusick cgp->cg_cgx = cg; 685188110Smckusick cgp->cg_niblk = sblock.fs_ipg; 686188110Smckusick cgp->cg_initediblk = sblock.fs_ipg < 2 * INOPB(&sblock) ? 687188110Smckusick sblock.fs_ipg : 2 * INOPB(&sblock); 688188110Smckusick if (cgbase(&sblock, cg) + sblock.fs_fpg < sblock.fs_size) 689188110Smckusick cgp->cg_ndblk = sblock.fs_fpg; 690188110Smckusick else 691188110Smckusick cgp->cg_ndblk = sblock.fs_size - cgbase(&sblock, cg); 692188110Smckusick cgp->cg_iusedoff = &cgp->cg_space[0] - (u_char *)(&cgp->cg_firstfield); 693188110Smckusick if (sblock.fs_magic == FS_UFS1_MAGIC) { 694188110Smckusick cgp->cg_niblk = 0; 695188110Smckusick cgp->cg_initediblk = 0; 696188110Smckusick cgp->cg_old_ncyl = sblock.fs_old_cpg; 697188110Smckusick cgp->cg_old_niblk = sblock.fs_ipg; 698188110Smckusick cgp->cg_old_btotoff = cgp->cg_iusedoff; 699188110Smckusick cgp->cg_old_boff = cgp->cg_old_btotoff + 700188110Smckusick sblock.fs_old_cpg * sizeof(int32_t); 701188110Smckusick cgp->cg_iusedoff = cgp->cg_old_boff + 702188110Smckusick sblock.fs_old_cpg * sizeof(u_int16_t); 703188110Smckusick } 704188110Smckusick cgp->cg_freeoff = cgp->cg_iusedoff + howmany(sblock.fs_ipg, CHAR_BIT); 705188110Smckusick cgp->cg_nextfreeoff = cgp->cg_freeoff + howmany(sblock.fs_fpg,CHAR_BIT); 706188110Smckusick if (sblock.fs_contigsumsize > 0) { 707188110Smckusick cgp->cg_nclusterblks = cgp->cg_ndblk / sblock.fs_frag; 708188110Smckusick cgp->cg_clustersumoff = 709188110Smckusick roundup(cgp->cg_nextfreeoff, sizeof(u_int32_t)); 710188110Smckusick cgp->cg_clustersumoff -= sizeof(u_int32_t); 711188110Smckusick cgp->cg_clusteroff = cgp->cg_clustersumoff + 712188110Smckusick (sblock.fs_contigsumsize + 1) * sizeof(u_int32_t); 713188110Smckusick cgp->cg_nextfreeoff = cgp->cg_clusteroff + 714188110Smckusick howmany(fragstoblks(&sblock, sblock.fs_fpg), CHAR_BIT); 715188110Smckusick } 716249788Smckusick dirty(cgbp); 717188110Smckusick return (0); 718178088Sdelphij} 719178088Sdelphij 720178088Sdelphij/* 72166864Sadrian * allocate a data block with the specified number of fragments 72266864Sadrian */ 72398542Smckusickufs2_daddr_t 72492839Simpallocblk(long frags) 72566864Sadrian{ 72666864Sadrian int i, j, k, cg, baseblk; 727249788Smckusick struct bufarea *cgbp; 728249788Smckusick struct cg *cgp; 72966864Sadrian 73066864Sadrian if (frags <= 0 || frags > sblock.fs_frag) 73166864Sadrian return (0); 73266864Sadrian for (i = 0; i < maxfsblock - sblock.fs_frag; i += sblock.fs_frag) { 73366864Sadrian for (j = 0; j <= sblock.fs_frag - frags; j++) { 73466864Sadrian if (testbmap(i + j)) 73566864Sadrian continue; 73666864Sadrian for (k = 1; k < frags; k++) 73766864Sadrian if (testbmap(i + j + k)) 73866864Sadrian break; 73966864Sadrian if (k < frags) { 74066864Sadrian j += k; 74166864Sadrian continue; 74266864Sadrian } 74366864Sadrian cg = dtog(&sblock, i + j); 744249788Smckusick cgbp = cgget(cg); 745249788Smckusick cgp = cgbp->b_un.b_cg; 746249788Smckusick if (!check_cgmagic(cg, cgbp)) 747188110Smckusick return (0); 74866864Sadrian baseblk = dtogd(&sblock, i + j); 74966864Sadrian for (k = 0; k < frags; k++) { 75066864Sadrian setbmap(i + j + k); 75166864Sadrian clrbit(cg_blksfree(cgp), baseblk + k); 75266864Sadrian } 75366864Sadrian n_blks += frags; 75466864Sadrian if (frags == sblock.fs_frag) 75566864Sadrian cgp->cg_cs.cs_nbfree--; 75666864Sadrian else 75766864Sadrian cgp->cg_cs.cs_nffree -= frags; 758249788Smckusick dirty(cgbp); 75966864Sadrian return (i + j); 76066864Sadrian } 76166864Sadrian } 76266864Sadrian return (0); 76366864Sadrian} 76466864Sadrian 76566864Sadrian/* 76666864Sadrian * Free a previously allocated block 76766864Sadrian */ 76866864Sadrianvoid 76998542Smckusickfreeblk(ufs2_daddr_t blkno, long frags) 77066864Sadrian{ 77166864Sadrian struct inodesc idesc; 77266864Sadrian 77366864Sadrian idesc.id_blkno = blkno; 77466864Sadrian idesc.id_numfrags = frags; 77566864Sadrian (void)pass4check(&idesc); 77666864Sadrian} 77766864Sadrian 778107671Siedowse/* Slow down IO so as to leave some disk bandwidth for other processes */ 779107671Siedowsevoid 780107671Siedowseslowio_start() 781107671Siedowse{ 782107671Siedowse 783129401Sscottl /* Delay one in every 8 operations */ 784107671Siedowse slowio_pollcnt = (slowio_pollcnt + 1) & 7; 785107671Siedowse if (slowio_pollcnt == 0) { 786107671Siedowse gettimeofday(&slowio_starttime, NULL); 787107671Siedowse } 788107671Siedowse} 789107671Siedowse 790107671Siedowsevoid 791107671Siedowseslowio_end() 792107671Siedowse{ 793107671Siedowse struct timeval tv; 794107671Siedowse int delay_usec; 795107671Siedowse 796107671Siedowse if (slowio_pollcnt != 0) 797107671Siedowse return; 798107671Siedowse 799107671Siedowse /* Update the slowdown interval. */ 800107671Siedowse gettimeofday(&tv, NULL); 801107671Siedowse delay_usec = (tv.tv_sec - slowio_starttime.tv_sec) * 1000000 + 802107671Siedowse (tv.tv_usec - slowio_starttime.tv_usec); 803107671Siedowse if (delay_usec < 64) 804107671Siedowse delay_usec = 64; 805129401Sscottl if (delay_usec > 2500000) 806129401Sscottl delay_usec = 2500000; 807107671Siedowse slowio_delay_usec = (slowio_delay_usec * 63 + delay_usec) >> 6; 808129401Sscottl /* delay by 8 times the average IO delay */ 809129401Sscottl if (slowio_delay_usec > 64) 810129401Sscottl usleep(slowio_delay_usec * 8); 811107671Siedowse} 812107671Siedowse 81366864Sadrian/* 81466864Sadrian * Find a pathname 81566864Sadrian */ 81666864Sadrianvoid 81792839Simpgetpathname(char *namebuf, ino_t curdir, ino_t ino) 81866864Sadrian{ 81966864Sadrian int len; 82092806Sobrien char *cp; 82166864Sadrian struct inodesc idesc; 82266864Sadrian static int busy = 0; 82366864Sadrian 82466864Sadrian if (curdir == ino && ino == ROOTINO) { 82566864Sadrian (void)strcpy(namebuf, "/"); 82666864Sadrian return; 82766864Sadrian } 828136281Struckman if (busy || !INO_IS_DVALID(curdir)) { 82966864Sadrian (void)strcpy(namebuf, "?"); 83066864Sadrian return; 83166864Sadrian } 83266864Sadrian busy = 1; 83366864Sadrian memset(&idesc, 0, sizeof(struct inodesc)); 83466864Sadrian idesc.id_type = DATA; 83566864Sadrian idesc.id_fix = IGNORE; 83666864Sadrian cp = &namebuf[MAXPATHLEN - 1]; 83766864Sadrian *cp = '\0'; 83866864Sadrian if (curdir != ino) { 83966864Sadrian idesc.id_parent = curdir; 84066864Sadrian goto namelookup; 84166864Sadrian } 84266864Sadrian while (ino != ROOTINO) { 84366864Sadrian idesc.id_number = ino; 84466864Sadrian idesc.id_func = findino; 845100935Sphk idesc.id_name = strdup(".."); 84666864Sadrian if ((ckinode(ginode(ino), &idesc) & FOUND) == 0) 84766864Sadrian break; 84866864Sadrian namelookup: 84966864Sadrian idesc.id_number = idesc.id_parent; 85066864Sadrian idesc.id_parent = ino; 85166864Sadrian idesc.id_func = findname; 85266864Sadrian idesc.id_name = namebuf; 85366864Sadrian if ((ckinode(ginode(idesc.id_number), &idesc)&FOUND) == 0) 85466864Sadrian break; 85566864Sadrian len = strlen(namebuf); 85666864Sadrian cp -= len; 85766864Sadrian memmove(cp, namebuf, (size_t)len); 85866864Sadrian *--cp = '/'; 85966864Sadrian if (cp < &namebuf[MAXNAMLEN]) 86066864Sadrian break; 86166864Sadrian ino = idesc.id_number; 86266864Sadrian } 86366864Sadrian busy = 0; 86466864Sadrian if (ino != ROOTINO) 86566864Sadrian *--cp = '?'; 86666864Sadrian memmove(namebuf, cp, (size_t)(&namebuf[MAXPATHLEN] - cp)); 86766864Sadrian} 86866864Sadrian 86966864Sadrianvoid 870100935Sphkcatch(int sig __unused) 87166864Sadrian{ 87296483Sphk 87396483Sphk ckfini(0); 87466864Sadrian exit(12); 87566864Sadrian} 87666864Sadrian 87766864Sadrian/* 87866864Sadrian * When preening, allow a single quit to signal 879102231Strhodes * a special exit after file system checks complete 88066864Sadrian * so that reboot sequence may be interrupted. 88166864Sadrian */ 88266864Sadrianvoid 883100935Sphkcatchquit(int sig __unused) 88466864Sadrian{ 885102231Strhodes printf("returning to single-user after file system check\n"); 88666864Sadrian returntosingle = 1; 88766864Sadrian (void)signal(SIGQUIT, SIG_DFL); 88866864Sadrian} 88966864Sadrian 89066864Sadrian/* 89166864Sadrian * determine whether an inode should be fixed. 89266864Sadrian */ 89366864Sadrianint 894100935Sphkdofix(struct inodesc *idesc, const char *msg) 89566864Sadrian{ 89666864Sadrian 89766864Sadrian switch (idesc->id_fix) { 89866864Sadrian 89966864Sadrian case DONTKNOW: 90066864Sadrian if (idesc->id_type == DATA) 90166864Sadrian direrror(idesc->id_number, msg); 90266864Sadrian else 90381911Skris pwarn("%s", msg); 90466864Sadrian if (preen) { 90566864Sadrian printf(" (SALVAGED)\n"); 90666864Sadrian idesc->id_fix = FIX; 90766864Sadrian return (ALTERED); 90866864Sadrian } 90966864Sadrian if (reply("SALVAGE") == 0) { 91066864Sadrian idesc->id_fix = NOFIX; 91166864Sadrian return (0); 91266864Sadrian } 91366864Sadrian idesc->id_fix = FIX; 91466864Sadrian return (ALTERED); 91566864Sadrian 91666864Sadrian case FIX: 91766864Sadrian return (ALTERED); 91866864Sadrian 91966864Sadrian case NOFIX: 92066864Sadrian case IGNORE: 92166864Sadrian return (0); 92266864Sadrian 92366864Sadrian default: 92466864Sadrian errx(EEXIT, "UNKNOWN INODESC FIX MODE %d", idesc->id_fix); 92566864Sadrian } 92666864Sadrian /* NOTREACHED */ 92766864Sadrian return (0); 92866864Sadrian} 92966864Sadrian 93066864Sadrian#include <stdarg.h> 93166864Sadrian 93266864Sadrian/* 93366864Sadrian * An unexpected inconsistency occured. 934102231Strhodes * Die if preening or file system is running with soft dependency protocol, 93566864Sadrian * otherwise just print message and continue. 93666864Sadrian */ 93766864Sadrianvoid 93866864Sadrianpfatal(const char *fmt, ...) 93966864Sadrian{ 94066864Sadrian va_list ap; 94166864Sadrian va_start(ap, fmt); 94266864Sadrian if (!preen) { 94375927Smckusick (void)vfprintf(stdout, fmt, ap); 94466864Sadrian va_end(ap); 94566864Sadrian if (usedsoftdep) 94675927Smckusick (void)fprintf(stdout, 94766864Sadrian "\nUNEXPECTED SOFT UPDATE INCONSISTENCY\n"); 94875557Smckusick /* 94975557Smckusick * Force foreground fsck to clean up inconsistency. 95075557Smckusick */ 95175557Smckusick if (bkgrdflag) { 95275557Smckusick cmd.value = FS_NEEDSFSCK; 95375557Smckusick cmd.size = 1; 95475557Smckusick if (sysctlbyname("vfs.ffs.setflags", 0, 0, 95575557Smckusick &cmd, sizeof cmd) == -1) 95675557Smckusick pwarn("CANNOT SET FS_NEEDSFSCK FLAG\n"); 95775927Smckusick fprintf(stdout, "CANNOT RUN IN BACKGROUND\n"); 95875557Smckusick ckfini(0); 95975557Smckusick exit(EEXIT); 96075557Smckusick } 96166864Sadrian return; 96266864Sadrian } 96366864Sadrian if (cdevname == NULL) 964100935Sphk cdevname = strdup("fsck"); 96575927Smckusick (void)fprintf(stdout, "%s: ", cdevname); 96675927Smckusick (void)vfprintf(stdout, fmt, ap); 96775927Smckusick (void)fprintf(stdout, 96866864Sadrian "\n%s: UNEXPECTED%sINCONSISTENCY; RUN fsck MANUALLY.\n", 96966864Sadrian cdevname, usedsoftdep ? " SOFT UPDATE " : " "); 97075557Smckusick /* 97175557Smckusick * Force foreground fsck to clean up inconsistency. 97275557Smckusick */ 97375557Smckusick if (bkgrdflag) { 97475557Smckusick cmd.value = FS_NEEDSFSCK; 97575557Smckusick cmd.size = 1; 97675557Smckusick if (sysctlbyname("vfs.ffs.setflags", 0, 0, 97775557Smckusick &cmd, sizeof cmd) == -1) 97875557Smckusick pwarn("CANNOT SET FS_NEEDSFSCK FLAG\n"); 97975557Smckusick } 98066864Sadrian ckfini(0); 98166864Sadrian exit(EEXIT); 98266864Sadrian} 98366864Sadrian 98466864Sadrian/* 98566864Sadrian * Pwarn just prints a message when not preening or running soft dependency 98666864Sadrian * protocol, or a warning (preceded by filename) when preening. 98766864Sadrian */ 98866864Sadrianvoid 98966864Sadrianpwarn(const char *fmt, ...) 99066864Sadrian{ 99166864Sadrian va_list ap; 99266864Sadrian va_start(ap, fmt); 99366864Sadrian if (preen) 99475927Smckusick (void)fprintf(stdout, "%s: ", cdevname); 99575927Smckusick (void)vfprintf(stdout, fmt, ap); 99666864Sadrian va_end(ap); 99766864Sadrian} 99866864Sadrian 99966864Sadrian/* 100066864Sadrian * Stub for routines from kernel. 100166864Sadrian */ 100266864Sadrianvoid 100366864Sadrianpanic(const char *fmt, ...) 100466864Sadrian{ 100566864Sadrian va_list ap; 100666864Sadrian va_start(ap, fmt); 100766864Sadrian pfatal("INTERNAL INCONSISTENCY:"); 100875927Smckusick (void)vfprintf(stdout, fmt, ap); 100966864Sadrian va_end(ap); 101066864Sadrian exit(EEXIT); 101166864Sadrian} 1012