18fae3551SRodney W. Grimes /* 28fae3551SRodney W. Grimes * Copyright (c) 1980, 1986, 1993 38fae3551SRodney W. Grimes * The Regents of the University of California. All rights reserved. 48fae3551SRodney W. Grimes * 58fae3551SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 68fae3551SRodney W. Grimes * modification, are permitted provided that the following conditions 78fae3551SRodney W. Grimes * are met: 88fae3551SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 98fae3551SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 108fae3551SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 118fae3551SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 128fae3551SRodney W. Grimes * documentation and/or other materials provided with the distribution. 138fae3551SRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 148fae3551SRodney W. Grimes * must display the following acknowledgement: 158fae3551SRodney W. Grimes * This product includes software developed by the University of 168fae3551SRodney W. Grimes * California, Berkeley and its contributors. 178fae3551SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 188fae3551SRodney W. Grimes * may be used to endorse or promote products derived from this software 198fae3551SRodney W. Grimes * without specific prior written permission. 208fae3551SRodney W. Grimes * 218fae3551SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 228fae3551SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 238fae3551SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 248fae3551SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 258fae3551SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 268fae3551SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 278fae3551SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 288fae3551SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 298fae3551SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 308fae3551SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 318fae3551SRodney W. Grimes * SUCH DAMAGE. 328fae3551SRodney W. Grimes */ 338fae3551SRodney W. Grimes 348fae3551SRodney W. Grimes #ifndef lint 3531f4ab50SBruce Evans static const char copyright[] = 368fae3551SRodney W. Grimes "@(#) Copyright (c) 1980, 1986, 1993\n\ 378fae3551SRodney W. Grimes The Regents of the University of California. All rights reserved.\n"; 388fae3551SRodney W. Grimes #endif /* not lint */ 398fae3551SRodney W. Grimes 408fae3551SRodney W. Grimes #ifndef lint 416b100474SJulian Elischer #if 0 426b100474SJulian Elischer static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 5/14/95"; 436b100474SJulian Elischer #endif 446b100474SJulian Elischer static const char rcsid[] = 457f3dea24SPeter Wemm "$FreeBSD$"; 468fae3551SRodney W. Grimes #endif /* not lint */ 478fae3551SRodney W. Grimes 488fae3551SRodney W. Grimes #include <sys/param.h> 49571b29eeSPeter Wemm #include <sys/stat.h> 508fae3551SRodney W. Grimes #include <sys/time.h> 518fae3551SRodney W. Grimes #include <sys/mount.h> 5233966081SMatt Jacob #include <sys/resource.h> 53780a5c1eSPeter Wemm 548fae3551SRodney W. Grimes #include <ufs/ufs/dinode.h> 55780a5c1eSPeter Wemm #include <ufs/ufs/ufsmount.h> 568fae3551SRodney W. Grimes #include <ufs/ffs/fs.h> 57780a5c1eSPeter Wemm 58780a5c1eSPeter Wemm #include <err.h> 59d0e1503bSPeter Wemm #include <errno.h> 608fae3551SRodney W. Grimes #include <fstab.h> 61d0e1503bSPeter Wemm #include <paths.h> 62780a5c1eSPeter Wemm 638fae3551SRodney W. Grimes #include "fsck.h" 64780a5c1eSPeter Wemm 659ea6f4f0SAdrian Chadd int returntosingle; 669ea6f4f0SAdrian Chadd 679ea6f4f0SAdrian Chadd static void usage __P((void)); 6831f4ab50SBruce Evans static int argtoi __P((int flag, char *req, char *str, int base)); 6931f4ab50SBruce Evans static int docheck __P((struct fstab *fsp)); 7031f4ab50SBruce Evans static int checkfilesys __P((char *filesys, char *mntpt, long auxdata, 7131f4ab50SBruce Evans int child)); 72571b29eeSPeter Wemm static struct statfs *getmntpt __P((const char *)); 73780a5c1eSPeter Wemm int main __P((int argc, char *argv[])); 748fae3551SRodney W. Grimes 7531f4ab50SBruce Evans int 768fae3551SRodney W. Grimes main(argc, argv) 778fae3551SRodney W. Grimes int argc; 788fae3551SRodney W. Grimes char *argv[]; 798fae3551SRodney W. Grimes { 808fae3551SRodney W. Grimes int ch; 81d33e92f9SJulian Elischer struct rlimit rlimit; 829ea6f4f0SAdrian Chadd int ret = 0; 838fae3551SRodney W. Grimes 848fae3551SRodney W. Grimes sync(); 859ea6f4f0SAdrian Chadd skipclean = 1; 867578c6abSKirk McKusick while ((ch = getopt(argc, argv, "b:Bc:dfm:npy")) != -1) { 878fae3551SRodney W. Grimes switch (ch) { 888fae3551SRodney W. Grimes case 'b': 899ea6f4f0SAdrian Chadd skipclean = 0; 908fae3551SRodney W. Grimes bflag = argtoi('b', "number", optarg, 10); 918fae3551SRodney W. Grimes printf("Alternate super block location: %d\n", bflag); 928fae3551SRodney W. Grimes break; 938fae3551SRodney W. Grimes 947578c6abSKirk McKusick case 'B': 957578c6abSKirk McKusick bkgrdflag = 1; 967578c6abSKirk McKusick break; 977578c6abSKirk McKusick 988fae3551SRodney W. Grimes case 'c': 999ea6f4f0SAdrian Chadd skipclean = 0; 1008fae3551SRodney W. Grimes cvtlevel = argtoi('c', "conversion level", optarg, 10); 1018fae3551SRodney W. Grimes break; 1028fae3551SRodney W. Grimes 1038fae3551SRodney W. Grimes case 'd': 1048fae3551SRodney W. Grimes debug++; 1058fae3551SRodney W. Grimes break; 1068fae3551SRodney W. Grimes 10741cee58cSDavid Greenman case 'f': 1089ea6f4f0SAdrian Chadd skipclean = 0; 1098fae3551SRodney W. Grimes break; 1108fae3551SRodney W. Grimes 1118fae3551SRodney W. Grimes case 'm': 1128fae3551SRodney W. Grimes lfmode = argtoi('m', "mode", optarg, 8); 1138fae3551SRodney W. Grimes if (lfmode &~ 07777) 114780a5c1eSPeter Wemm errx(EEXIT, "bad mode to -m: %o", lfmode); 1158fae3551SRodney W. Grimes printf("** lost+found creation mode %o\n", lfmode); 1168fae3551SRodney W. Grimes break; 1178fae3551SRodney W. Grimes 1188fae3551SRodney W. Grimes case 'n': 1198fae3551SRodney W. Grimes nflag++; 1208fae3551SRodney W. Grimes yflag = 0; 1218fae3551SRodney W. Grimes break; 1228fae3551SRodney W. Grimes 1239ea6f4f0SAdrian Chadd case 'p': 1249ea6f4f0SAdrian Chadd preen++; 1259ea6f4f0SAdrian Chadd break; 1269ea6f4f0SAdrian Chadd 1278fae3551SRodney W. Grimes case 'y': 1288fae3551SRodney W. Grimes yflag++; 1298fae3551SRodney W. Grimes nflag = 0; 1308fae3551SRodney W. Grimes break; 1318fae3551SRodney W. Grimes 1328fae3551SRodney W. Grimes default: 1339ea6f4f0SAdrian Chadd usage(); 1348fae3551SRodney W. Grimes } 1358fae3551SRodney W. Grimes } 1368fae3551SRodney W. Grimes argc -= optind; 1378fae3551SRodney W. Grimes argv += optind; 1389ea6f4f0SAdrian Chadd 1399ea6f4f0SAdrian Chadd if (!argc) 1409ea6f4f0SAdrian Chadd usage(); 1419ea6f4f0SAdrian Chadd 1428fae3551SRodney W. Grimes if (signal(SIGINT, SIG_IGN) != SIG_IGN) 1438fae3551SRodney W. Grimes (void)signal(SIGINT, catch); 1448fae3551SRodney W. Grimes if (preen) 1458fae3551SRodney W. Grimes (void)signal(SIGQUIT, catchquit); 1466db798caSIan Dowse signal(SIGINFO, infohandler); 147d33e92f9SJulian Elischer /* 148d33e92f9SJulian Elischer * Push up our allowed memory limit so we can cope 149d33e92f9SJulian Elischer * with huge filesystems. 150d33e92f9SJulian Elischer */ 151d33e92f9SJulian Elischer if (getrlimit(RLIMIT_DATA, &rlimit) == 0) { 152d33e92f9SJulian Elischer rlimit.rlim_cur = rlimit.rlim_max; 153d33e92f9SJulian Elischer (void)setrlimit(RLIMIT_DATA, &rlimit); 154d33e92f9SJulian Elischer } 1559ea6f4f0SAdrian Chadd while (argc-- > 0) 1569ea6f4f0SAdrian Chadd (void)checkfilesys(blockcheck(*argv++), 0, 0L, 0); 157d33e92f9SJulian Elischer 1588fae3551SRodney W. Grimes if (returntosingle) 1599ea6f4f0SAdrian Chadd ret = 2; 1608fae3551SRodney W. Grimes exit(ret); 1618fae3551SRodney W. Grimes } 1628fae3551SRodney W. Grimes 163780a5c1eSPeter Wemm static int 1648fae3551SRodney W. Grimes argtoi(flag, req, str, base) 1658fae3551SRodney W. Grimes int flag; 1668fae3551SRodney W. Grimes char *req, *str; 1678fae3551SRodney W. Grimes int base; 1688fae3551SRodney W. Grimes { 1698fae3551SRodney W. Grimes char *cp; 1708fae3551SRodney W. Grimes int ret; 1718fae3551SRodney W. Grimes 1728fae3551SRodney W. Grimes ret = (int)strtol(str, &cp, base); 1738fae3551SRodney W. Grimes if (cp == str || *cp) 174780a5c1eSPeter Wemm errx(EEXIT, "-%c flag requires a %s", flag, req); 1758fae3551SRodney W. Grimes return (ret); 1768fae3551SRodney W. Grimes } 1778fae3551SRodney W. Grimes 1788fae3551SRodney W. Grimes /* 1798fae3551SRodney W. Grimes * Check the specified filesystem. 1808fae3551SRodney W. Grimes */ 1818fae3551SRodney W. Grimes /* ARGSUSED */ 182780a5c1eSPeter Wemm static int 1838fae3551SRodney W. Grimes checkfilesys(filesys, mntpt, auxdata, child) 1848fae3551SRodney W. Grimes char *filesys, *mntpt; 1858fae3551SRodney W. Grimes long auxdata; 18631f4ab50SBruce Evans int child; 1878fae3551SRodney W. Grimes { 188780a5c1eSPeter Wemm ufs_daddr_t n_ffree, n_bfree; 1897578c6abSKirk McKusick struct ufs_args args; 1908fae3551SRodney W. Grimes struct dups *dp; 1917578c6abSKirk McKusick struct statfs *mntp; 192d0e1503bSPeter Wemm struct zlncnt *zlnp; 1937578c6abSKirk McKusick ufs_daddr_t blks; 1947578c6abSKirk McKusick ufs_daddr_t files; 195571b29eeSPeter Wemm int cylno; 1968fae3551SRodney W. Grimes 1978fae3551SRodney W. Grimes if (preen && child) 1988fae3551SRodney W. Grimes (void)signal(SIGQUIT, voidquit); 1998fae3551SRodney W. Grimes cdevname = filesys; 2008fae3551SRodney W. Grimes if (debug && preen) 2018fae3551SRodney W. Grimes pwarn("starting\n"); 2027578c6abSKirk McKusick 2037578c6abSKirk McKusick /* 2047578c6abSKirk McKusick * If we are to do a background check: 2057578c6abSKirk McKusick * Get the mount point information of the filesystem 2067578c6abSKirk McKusick * create snapshot file 2077578c6abSKirk McKusick * return created snapshot file 2087578c6abSKirk McKusick * if not found, clear bkgrdflag and proceed with normal fsck 2097578c6abSKirk McKusick */ 2107578c6abSKirk McKusick mntp = getmntpt(filesys); 2117578c6abSKirk McKusick if (bkgrdflag) { 2127578c6abSKirk McKusick if (mntp == NULL) { 2137578c6abSKirk McKusick bkgrdflag = 0; 2147578c6abSKirk McKusick pwarn("NOT MOUNTED, CANNOT RUN IN BACKGROUND\n"); 2157578c6abSKirk McKusick } else if ((mntp->f_flags & MNT_SOFTDEP) == 0) { 2167578c6abSKirk McKusick bkgrdflag = 0; 2177578c6abSKirk McKusick pwarn("NOT USING SOFT UPDATES, CANNOT RUN IN BACKGROUND\n"); 2187578c6abSKirk McKusick } else if ((mntp->f_flags & MNT_RDONLY) != 0) { 2197578c6abSKirk McKusick bkgrdflag = 0; 2207578c6abSKirk McKusick pwarn("MOUNTED READ-ONLY, CANNOT RUN IN BACKGROUND\n"); 2217578c6abSKirk McKusick } else { 2227578c6abSKirk McKusick snprintf(snapname, sizeof snapname, "%s/.fsck_snapshot", 2237578c6abSKirk McKusick mntp->f_mntonname); 2247578c6abSKirk McKusick args.fspec = snapname; 2257578c6abSKirk McKusick while (mount("ffs", mntp->f_mntonname, 2267578c6abSKirk McKusick mntp->f_flags | MNT_UPDATE | MNT_SNAPSHOT, 2277578c6abSKirk McKusick &args) < 0) { 2287578c6abSKirk McKusick if (errno == EEXIST && unlink(snapname) == 0) 2297578c6abSKirk McKusick continue; 2307578c6abSKirk McKusick bkgrdflag = 0; 2317578c6abSKirk McKusick pwarn("CANNOT CREATE SNAPSHOT %s: %s\n", 2327578c6abSKirk McKusick snapname, strerror(errno)); 2337578c6abSKirk McKusick break; 2347578c6abSKirk McKusick } 2357578c6abSKirk McKusick if (bkgrdflag != 0) 2367578c6abSKirk McKusick filesys = snapname; 2377578c6abSKirk McKusick } 2387578c6abSKirk McKusick } 2397578c6abSKirk McKusick 240780a5c1eSPeter Wemm switch (setup(filesys)) { 241780a5c1eSPeter Wemm case 0: 2428fae3551SRodney W. Grimes if (preen) 2438fae3551SRodney W. Grimes pfatal("CAN'T CHECK FILE SYSTEM."); 2446b100474SJulian Elischer return (0); 245780a5c1eSPeter Wemm case -1: 2466b100474SJulian Elischer pwarn("clean, %ld free ", sblock.fs_cstotal.cs_nffree + 2476b100474SJulian Elischer sblock.fs_frag * sblock.fs_cstotal.cs_nbfree); 2486b100474SJulian Elischer printf("(%d frags, %d blocks, %.1f%% fragmentation)\n", 2496b100474SJulian Elischer sblock.fs_cstotal.cs_nffree, sblock.fs_cstotal.cs_nbfree, 2506b100474SJulian Elischer sblock.fs_cstotal.cs_nffree * 100.0 / sblock.fs_dsize); 25141cee58cSDavid Greenman return (0); 25241cee58cSDavid Greenman } 2536b100474SJulian Elischer 2548fae3551SRodney W. Grimes /* 255b1897c19SJulian Elischer * Cleared if any questions answered no. Used to decide if 256b1897c19SJulian Elischer * the superblock should be marked clean. 257b1897c19SJulian Elischer */ 258b1897c19SJulian Elischer resolved = 1; 259b1897c19SJulian Elischer /* 2608fae3551SRodney W. Grimes * 1: scan inodes tallying blocks used 2618fae3551SRodney W. Grimes */ 2628fae3551SRodney W. Grimes if (preen == 0) { 2638fae3551SRodney W. Grimes printf("** Last Mounted on %s\n", sblock.fs_fsmnt); 2647578c6abSKirk McKusick if (mntp != NULL && mntp->f_flags & MNT_ROOTFS) 2658fae3551SRodney W. Grimes printf("** Root file system\n"); 2668fae3551SRodney W. Grimes printf("** Phase 1 - Check Blocks and Sizes\n"); 2678fae3551SRodney W. Grimes } 2688fae3551SRodney W. Grimes pass1(); 2698fae3551SRodney W. Grimes 2708fae3551SRodney W. Grimes /* 2718fae3551SRodney W. Grimes * 1b: locate first references to duplicates, if any 2728fae3551SRodney W. Grimes */ 2738fae3551SRodney W. Grimes if (duplist) { 274b1897c19SJulian Elischer if (preen || usedsoftdep) 2758fae3551SRodney W. Grimes pfatal("INTERNAL ERROR: dups with -p"); 2768fae3551SRodney W. Grimes printf("** Phase 1b - Rescan For More DUPS\n"); 2778fae3551SRodney W. Grimes pass1b(); 2788fae3551SRodney W. Grimes } 2798fae3551SRodney W. Grimes 2808fae3551SRodney W. Grimes /* 2818fae3551SRodney W. Grimes * 2: traverse directories from root to mark all connected directories 2828fae3551SRodney W. Grimes */ 2838fae3551SRodney W. Grimes if (preen == 0) 2848fae3551SRodney W. Grimes printf("** Phase 2 - Check Pathnames\n"); 2858fae3551SRodney W. Grimes pass2(); 2868fae3551SRodney W. Grimes 2878fae3551SRodney W. Grimes /* 2888fae3551SRodney W. Grimes * 3: scan inodes looking for disconnected directories 2898fae3551SRodney W. Grimes */ 2908fae3551SRodney W. Grimes if (preen == 0) 2918fae3551SRodney W. Grimes printf("** Phase 3 - Check Connectivity\n"); 2928fae3551SRodney W. Grimes pass3(); 2938fae3551SRodney W. Grimes 2948fae3551SRodney W. Grimes /* 2958fae3551SRodney W. Grimes * 4: scan inodes looking for disconnected files; check reference counts 2968fae3551SRodney W. Grimes */ 2978fae3551SRodney W. Grimes if (preen == 0) 2988fae3551SRodney W. Grimes printf("** Phase 4 - Check Reference Counts\n"); 2998fae3551SRodney W. Grimes pass4(); 3008fae3551SRodney W. Grimes 3018fae3551SRodney W. Grimes /* 3028fae3551SRodney W. Grimes * 5: check and repair resource counts in cylinder groups 3038fae3551SRodney W. Grimes */ 3048fae3551SRodney W. Grimes if (preen == 0) 3058fae3551SRodney W. Grimes printf("** Phase 5 - Check Cyl groups\n"); 3068fae3551SRodney W. Grimes pass5(); 3078fae3551SRodney W. Grimes 3088fae3551SRodney W. Grimes /* 3098fae3551SRodney W. Grimes * print out summary statistics 3108fae3551SRodney W. Grimes */ 3118fae3551SRodney W. Grimes n_ffree = sblock.fs_cstotal.cs_nffree; 3128fae3551SRodney W. Grimes n_bfree = sblock.fs_cstotal.cs_nbfree; 3137578c6abSKirk McKusick files = maxino - ROOTINO - sblock.fs_cstotal.cs_nifree - n_files; 3147578c6abSKirk McKusick blks = n_blks + 3157578c6abSKirk McKusick sblock.fs_ncg * (cgdmin(&sblock, 0) - cgsblock(&sblock, 0)); 3167578c6abSKirk McKusick blks += cgsblock(&sblock, 0) - cgbase(&sblock, 0); 3177578c6abSKirk McKusick blks += howmany(sblock.fs_cssize, sblock.fs_fsize); 3187578c6abSKirk McKusick blks = maxfsblock - (n_ffree + sblock.fs_frag * n_bfree) - blks; 3197578c6abSKirk McKusick if (bkgrdflag && (files > 0 || blks > 0)) { 3207578c6abSKirk McKusick countdirs = sblock.fs_cstotal.cs_ndir - countdirs; 3217578c6abSKirk McKusick pwarn("Reclaimed: %d directories, %d files, %d fragments\n", 3227578c6abSKirk McKusick countdirs, files - countdirs, blks); 3237578c6abSKirk McKusick } 3248fae3551SRodney W. Grimes pwarn("%ld files, %ld used, %ld free ", 3258fae3551SRodney W. Grimes n_files, n_blks, n_ffree + sblock.fs_frag * n_bfree); 326ccc3fadfSBruce Evans printf("(%d frags, %d blocks, %.1f%% fragmentation)\n", 327ccc3fadfSBruce Evans n_ffree, n_bfree, n_ffree * 100.0 / sblock.fs_dsize); 3288fae3551SRodney W. Grimes if (debug) { 3297578c6abSKirk McKusick if (files < 0) 3307578c6abSKirk McKusick printf("%d inodes missing\n", -files); 3317578c6abSKirk McKusick if (blks < 0) 3327578c6abSKirk McKusick printf("%d blocks missing\n", -blks); 3338fae3551SRodney W. Grimes if (duplist != NULL) { 3348fae3551SRodney W. Grimes printf("The following duplicate blocks remain:"); 3358fae3551SRodney W. Grimes for (dp = duplist; dp; dp = dp->next) 336ccc3fadfSBruce Evans printf(" %d,", dp->dup); 3378fae3551SRodney W. Grimes printf("\n"); 3388fae3551SRodney W. Grimes } 3398fae3551SRodney W. Grimes if (zlnhead != NULL) { 3408fae3551SRodney W. Grimes printf("The following zero link count inodes remain:"); 3418fae3551SRodney W. Grimes for (zlnp = zlnhead; zlnp; zlnp = zlnp->next) 342ccc3fadfSBruce Evans printf(" %u,", zlnp->zlncnt); 3438fae3551SRodney W. Grimes printf("\n"); 3448fae3551SRodney W. Grimes } 3458fae3551SRodney W. Grimes } 3468fae3551SRodney W. Grimes zlnhead = (struct zlncnt *)0; 3478fae3551SRodney W. Grimes duplist = (struct dups *)0; 3488fae3551SRodney W. Grimes muldup = (struct dups *)0; 3498fae3551SRodney W. Grimes inocleanup(); 350802cd8e6SDavid Greenman if (fsmodified) { 351d33e92f9SJulian Elischer sblock.fs_time = time(NULL); 3528fae3551SRodney W. Grimes sbdirty(); 3538fae3551SRodney W. Grimes } 3548fae3551SRodney W. Grimes if (cvtlevel && sblk.b_dirty) { 3558fae3551SRodney W. Grimes /* 3568fae3551SRodney W. Grimes * Write out the duplicate super blocks 3578fae3551SRodney W. Grimes */ 3588fae3551SRodney W. Grimes for (cylno = 0; cylno < sblock.fs_ncg; cylno++) 3598fae3551SRodney W. Grimes bwrite(fswritefd, (char *)&sblock, 3608fae3551SRodney W. Grimes fsbtodb(&sblock, cgsblock(&sblock, cylno)), SBSIZE); 3618fae3551SRodney W. Grimes } 362b1897c19SJulian Elischer if (rerun) 363b1897c19SJulian Elischer resolved = 0; 364571b29eeSPeter Wemm 365d0e1503bSPeter Wemm /* 366aa5344b7SPeter Wemm * Check to see if the filesystem is mounted read-write. 367d0e1503bSPeter Wemm */ 3687578c6abSKirk McKusick if (bkgrdflag == 0 && mntp != NULL && (mntp->f_flags & MNT_RDONLY) == 0) 369b1897c19SJulian Elischer resolved = 0; 370b1897c19SJulian Elischer ckfini(resolved); 371d33e92f9SJulian Elischer 372d33e92f9SJulian Elischer for (cylno = 0; cylno < sblock.fs_ncg; cylno++) 373d33e92f9SJulian Elischer if (inostathead[cylno].il_stat != NULL) 374d33e92f9SJulian Elischer free((char *)inostathead[cylno].il_stat); 375d33e92f9SJulian Elischer free((char *)inostathead); 376d33e92f9SJulian Elischer inostathead = NULL; 377d33e92f9SJulian Elischer if (fsmodified && !preen) 3788fae3551SRodney W. Grimes printf("\n***** FILE SYSTEM WAS MODIFIED *****\n"); 37947ceb636SGuido van Rooij if (rerun) 38047ceb636SGuido van Rooij printf("\n***** PLEASE RERUN FSCK *****\n"); 3817578c6abSKirk McKusick if (mntp != NULL) { 382780a5c1eSPeter Wemm struct ufs_args args; 383780a5c1eSPeter Wemm int ret; 384d0e1503bSPeter Wemm /* 385d0e1503bSPeter Wemm * We modified a mounted filesystem. Do a mount update on 386d0e1503bSPeter Wemm * it unless it is read-write, so we can continue using it 387d0e1503bSPeter Wemm * as safely as possible. 388d0e1503bSPeter Wemm */ 3897578c6abSKirk McKusick if (mntp->f_flags & MNT_RDONLY) { 3908fae3551SRodney W. Grimes args.fspec = 0; 3918fae3551SRodney W. Grimes args.export.ex_flags = 0; 3928fae3551SRodney W. Grimes args.export.ex_root = 0; 3937578c6abSKirk McKusick ret = mount("ufs", mntp->f_mntonname, 3947578c6abSKirk McKusick mntp->f_flags | MNT_UPDATE | MNT_RELOAD, &args); 3958fae3551SRodney W. Grimes if (ret == 0) 396d0e1503bSPeter Wemm return (0); 397d0e1503bSPeter Wemm pwarn("mount reload of '%s' failed: %s\n\n", 3987578c6abSKirk McKusick mntp->f_mntonname, strerror(errno)); 399d0e1503bSPeter Wemm } 400d33e92f9SJulian Elischer if (!fsmodified) 401d33e92f9SJulian Elischer return (0); 4028fae3551SRodney W. Grimes if (!preen) 4038fae3551SRodney W. Grimes printf("\n***** REBOOT NOW *****\n"); 4048fae3551SRodney W. Grimes sync(); 4058fae3551SRodney W. Grimes return (4); 4068fae3551SRodney W. Grimes } 4078fae3551SRodney W. Grimes return (0); 4088fae3551SRodney W. Grimes } 409571b29eeSPeter Wemm 410571b29eeSPeter Wemm /* 411d0e1503bSPeter Wemm * Get the directory that the device is mounted on. 412571b29eeSPeter Wemm */ 413571b29eeSPeter Wemm static struct statfs * 414571b29eeSPeter Wemm getmntpt(name) 415571b29eeSPeter Wemm const char *name; 416571b29eeSPeter Wemm { 417571b29eeSPeter Wemm struct stat devstat, mntdevstat; 418d0e1503bSPeter Wemm char device[sizeof(_PATH_DEV) - 1 + MNAMELEN]; 419d0e1503bSPeter Wemm char *devname; 420d0e1503bSPeter Wemm struct statfs *mntbuf; 421571b29eeSPeter Wemm int i, mntsize; 422571b29eeSPeter Wemm 423d0e1503bSPeter Wemm if (stat(name, &devstat) != 0 || 424571b29eeSPeter Wemm !(S_ISCHR(devstat.st_mode) || S_ISBLK(devstat.st_mode))) 425571b29eeSPeter Wemm return (NULL); 426571b29eeSPeter Wemm mntsize = getmntinfo(&mntbuf, MNT_NOWAIT); 427571b29eeSPeter Wemm for (i = 0; i < mntsize; i++) { 428d0e1503bSPeter Wemm if (strcmp(mntbuf[i].f_fstypename, "ufs") != 0) 429571b29eeSPeter Wemm continue; 430d0e1503bSPeter Wemm devname = mntbuf[i].f_mntfromname; 431d0e1503bSPeter Wemm if (*devname != '/') { 432d0e1503bSPeter Wemm strcpy(device, _PATH_DEV); 433d0e1503bSPeter Wemm strcat(device, devname); 434d0e1503bSPeter Wemm devname = device; 435d0e1503bSPeter Wemm } 436aa5344b7SPeter Wemm if (stat(devname, &mntdevstat) == 0 && 437d0e1503bSPeter Wemm mntdevstat.st_rdev == devstat.st_rdev) 438571b29eeSPeter Wemm return (&mntbuf[i]); 439571b29eeSPeter Wemm } 440571b29eeSPeter Wemm return (NULL); 441571b29eeSPeter Wemm } 4429ea6f4f0SAdrian Chadd 4439ea6f4f0SAdrian Chadd static void 4449ea6f4f0SAdrian Chadd usage() 4459ea6f4f0SAdrian Chadd { 4469ea6f4f0SAdrian Chadd extern char *__progname; 4479ea6f4f0SAdrian Chadd 4489ea6f4f0SAdrian Chadd (void) fprintf(stderr, 4499ea6f4f0SAdrian Chadd "Usage: %s [-dfnpy] [-B be|le] [-b block] [-c level] [-m mode] " 4509ea6f4f0SAdrian Chadd "filesystem ...\n", 4519ea6f4f0SAdrian Chadd __progname); 4529ea6f4f0SAdrian Chadd exit(1); 4539ea6f4f0SAdrian Chadd } 454