do not need to check for root device as blockcheck has done so already;

[unix-history] / usr / src / sbin / fsck / main.c

diff --git a/usr/src/sbin/fsck/main.c b/usr/src/sbin/fsck/main.c
index 4fd8998..0b600f1 100644 (file)
--- a/usr/src/sbin/fsck/main.c
+++ b/usr/src/sbin/fsck/main.c
@@ -1,23 +1,161 @@
+/*
+ * Copyright (c) 1980, 1986 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef lint
+char copyright[] =
+"@(#) Copyright (c) 1980, 1986 The Regents of the University of California.\n\
+ All rights reserved.\n";
+#endif /* not lint */
+

 #ifndef lint
 #ifndef lint

-static char version[] = "@(#)main.c    3.1 (Berkeley) %G%";
-#endif
+static char sccsid[] = "@(#)main.c     5.22 (Berkeley) %G%";
+#endif /* not lint */

 
 #include <sys/param.h>
 
 #include <sys/param.h>

-#include <sys/inode.h>
-#include <sys/fs.h>
+#include <ufs/dinode.h>
+#include <ufs/fs.h>
+#include <fstab.h>
+#include <strings.h>
+#include <ctype.h>
+#include <stdio.h>

 #include "fsck.h"
 
 #include "fsck.h"
 

-checkfilesys(filesys)
-       char *filesys;
+void   catch(), catchquit(), voidquit();
+int    returntosingle;
+
+main(argc, argv)
+       int     argc;
+       char    *argv[];

 {
 {

+       char ch;
+       int ret, maxrun = 0;
+       extern int docheck(), checkfilesys();
+       extern char *optarg;
+       extern int optind;
+
+       sync();
+       while ((ch = getopt(argc, argv, "cdpnNyYb:l:m:")) != EOF) {
+               switch (ch) {
+               case 'p':
+                       preen++;
+                       break;
+
+               case 'b':
+                       if (!isdigit(*optarg))
+                               errexit("-b flag requires a number\n");
+                       bflag = atoi(optarg);
+                       printf("Alternate super block location: %d\n", bflag);
+                       break;
+
+               case 'c':
+                       cvtflag++;
+                       break;
+
+               case 'd':
+                       debug++;
+                       break;
+
+               case 'l':
+                       if (!isdigit(*optarg))
+                               errexit("-l flag requires a number\n");
+                       maxrun = atoi(optarg);
+                       break;
+
+               case 'm':
+                       if (!isdigit(*optarg))
+                               errexit("-m flag requires a mode\n");
+                       sscanf(optarg, "%o", &lfmode);
+                       if (lfmode &~ 07777)
+                               errexit("bad mode to -m: %o\n", lfmode);
+                       printf("** lost+found creation mode %o\n", lfmode);
+                       break;
+
+               case 'n':
+               case 'N':
+                       nflag++;
+                       yflag = 0;
+                       break;
+
+               case 'y':
+               case 'Y':
+                       yflag++;
+                       nflag = 0;
+                       break;

 
 

+               default:
+                       errexit("%c option?\n", ch);
+               }
+       }
+       argc -= optind;
+       argv += optind;
+       if (signal(SIGINT, SIG_IGN) != SIG_IGN)
+               (void)signal(SIGINT, catch);
+       if (preen)
+               (void)signal(SIGQUIT, catchquit);
+       if (argc) {
+               while (argc-- > 0)
+                       checkfilesys(*argv++);
+               exit(0);
+       }
+       ret = checkfstab(preen, maxrun, docheck, checkfilesys);
+       if (returntosingle)
+               exit(2);
+       exit(ret);
+}
+
+/*
+ * Determine whether a filesystem should be checked.
+ */
+docheck(fsp)
+       register struct fstab *fsp;
+{
+
+       if (strcmp(fsp->fs_vfstype, "ufs") ||
+           (strcmp(fsp->fs_type, FSTAB_RW) &&
+            strcmp(fsp->fs_type, FSTAB_RO)) ||
+           fsp->fs_passno == 0)
+               return (0);
+       return (1);
+}
+
+/*
+ * Check the specified filesystem.
+ */
+/* ARGSUSED */
+checkfilesys(filesys, mntpt, auxdata)
+       char *filesys, *mntpt;
+       long auxdata;
+{
+       daddr_t n_ffree, n_bfree;
+       struct dups *dp;
+       struct zlncnt *zlnp;
+
+       (void)signal(SIGQUIT, voidquit);

        devname = filesys;
        devname = filesys;

+       if (debug && preen)
+               pwarn("starting\n");

        if (setup(filesys) == 0) {
                if (preen)
                        pfatal("CAN'T CHECK FILE SYSTEM.");
        if (setup(filesys) == 0) {
                if (preen)
                        pfatal("CAN'T CHECK FILE SYSTEM.");

-               return;
+               return (0);

        }
        }

-/* 1: scan inodes tallying blocks used */
+       /*
+        * 1: scan inodes tallying blocks used
+        */

        if (preen == 0) {
                printf("** Last Mounted on %s\n", sblock.fs_fsmnt);
                if (hotroot)
        if (preen == 0) {
                printf("** Last Mounted on %s\n", sblock.fs_fsmnt);
                if (hotroot)


@@ -26,56 +164,89 @@ checkfilesys(filesys)
        }
        pass1();
 
        }
        pass1();
 

-/* 1b: locate first references to duplicates, if any */
-       if (enddup != &duplist[0]) {
+       /*
+        * 1b: locate first references to duplicates, if any
+        */
+       if (duplist) {

                if (preen)
                        pfatal("INTERNAL ERROR: dups with -p");
                printf("** Phase 1b - Rescan For More DUPS\n");
                pass1b();
        }
 
                if (preen)
                        pfatal("INTERNAL ERROR: dups with -p");
                printf("** Phase 1b - Rescan For More DUPS\n");
                pass1b();
        }
 

-/* 2: traverse directories from root to mark all connected directories */
+       /*
+        * 2: traverse directories from root to mark all connected directories
+        */

        if (preen == 0)
                printf("** Phase 2 - Check Pathnames\n");
        pass2();
 
        if (preen == 0)
                printf("** Phase 2 - Check Pathnames\n");
        pass2();
 

-/* 3: scan inodes looking for disconnected directories */
+       /*
+        * 3: scan inodes looking for disconnected directories
+        */

        if (preen == 0)
                printf("** Phase 3 - Check Connectivity\n");
        pass3();
 
        if (preen == 0)
                printf("** Phase 3 - Check Connectivity\n");
        pass3();
 

-/* 4: scan inodes looking for disconnected files; check reference counts */
+       /*
+        * 4: scan inodes looking for disconnected files; check reference counts
+        */

        if (preen == 0)
                printf("** Phase 4 - Check Reference Counts\n");
        pass4();
 
        if (preen == 0)
                printf("** Phase 4 - Check Reference Counts\n");
        pass4();
 

-/* 5: check resource counts in cylinder groups */
+       /*
+        * 5: check and repair resource counts in cylinder groups
+        */

        if (preen == 0)
                printf("** Phase 5 - Check Cyl groups\n");
        pass5();
 
        if (preen == 0)
                printf("** Phase 5 - Check Cyl groups\n");
        pass5();
 

-       if (fixcg) {
-               if (preen == 0)
-                       printf("** Phase 6 - Salvage Cylinder Groups\n");
-               makecg();
-               n_ffree = sblock.fs_cstotal.cs_nffree;
-               n_bfree = sblock.fs_cstotal.cs_nbfree;
+       /*
+        * print out summary statistics
+        */
+       n_ffree = sblock.fs_cstotal.cs_nffree;
+       n_bfree = sblock.fs_cstotal.cs_nbfree;
+       pwarn("%d files, %d used, %d free ",
+           n_files, n_blks, n_ffree + sblock.fs_frag * n_bfree);
+       printf("(%d frags, %d blocks, %.1f%% fragmentation)\n",
+           n_ffree, n_bfree, (float)(n_ffree * 100) / sblock.fs_dsize);
+       if (debug &&
+           (n_files -= maxino - ROOTINO - sblock.fs_cstotal.cs_nifree))
+               printf("%d files missing\n", n_files);
+       if (debug) {
+               n_blks += sblock.fs_ncg *
+                       (cgdmin(&sblock, 0) - cgsblock(&sblock, 0));
+               n_blks += cgsblock(&sblock, 0) - cgbase(&sblock, 0);
+               n_blks += howmany(sblock.fs_cssize, sblock.fs_fsize);
+               if (n_blks -= maxfsblock - (n_ffree + sblock.fs_frag * n_bfree))
+                       printf("%d blocks missing\n", n_blks);
+               if (duplist != NULL) {
+                       printf("The following duplicate blocks remain:");
+                       for (dp = duplist; dp; dp = dp->next)
+                               printf(" %d,", dp->dup);
+                       printf("\n");
+               }
+               if (zlnhead != NULL) {
+                       printf("The following zero link count inodes remain:");
+                       for (zlnp = zlnhead; zlnp; zlnp = zlnp->next)
+                               printf(" %d,", zlnp->zlncnt);
+                       printf("\n");
+               }

        }
        }

-
-       pwarn("%d files, %d used, %d free (%d frags, %d blocks)\n",
-           n_files, n_blks - howmany(sblock.fs_cssize, sblock.fs_fsize),
-           n_ffree + sblock.fs_frag * n_bfree, n_ffree, n_bfree);
-       if (dfile.mod) {
+       zlnhead = (struct zlncnt *)0;
+       duplist = (struct dups *)0;
+       inocleanup();
+       if (fsmodified) {

                (void)time(&sblock.fs_time);
                sbdirty();
        }
        ckfini();
        free(blockmap);
                (void)time(&sblock.fs_time);
                sbdirty();
        }
        ckfini();
        free(blockmap);

-       free(freemap);

        free(statemap);
        free((char *)lncntp);
        free(statemap);
        free((char *)lncntp);

-       if (!dfile.mod)
-               return;
+       if (!fsmodified)
+               return (0);

        if (!preen) {
                printf("\n***** FILE SYSTEM WAS MODIFIED *****\n");
                if (hotroot)
        if (!preen) {
                printf("\n***** FILE SYSTEM WAS MODIFIED *****\n");
                if (hotroot)


@@ -83,6 +254,7 @@ checkfilesys(filesys)
        }
        if (hotroot) {
                sync();
        }
        if (hotroot) {
                sync();

-               exit(4);
+               return (4);

        }
        }

+       return (0);

 }
 }