jiofsck.c

   1
   2 /*
   3  * jiofsck - A journal checker and recovery tool for libjio
   4  * Alberto Bertogli (albertogli@telpin.com.ar)
   5  */
   6
   7 #include <stdio.h>
   8 #include <string.h>
   9 #include "libjio.h"
  10
  11
  12 void usage()
  13 {
  14         printf("Use: jiofsck [clean] FILE\n\n");
  15         printf("Where \"FILE\" is the name of the file "
  16                         "which you want to check the journal from,\n"
  17                         "and the optional parameter \"clean\" makes "
  18                         "jiofsck to clean up the journal after\n"
  19                         "recovery.\n");
  20 }
  21
  22 int main(int argc, char **argv)
  23 {
  24         int rv, do_cleanup;
  25         char *file;
  26         struct jfsck_result res;
  27
  28         if (argc != 2 && argc != 3) {
  29                 usage();
  30                 return 1;
  31         }
  32
  33         if (argc == 3) {
  34                 if (strcmp("clean", argv[1]) != 0 ) {
  35                         usage();
  36                         return 1;
  37                 }
  38                 file = argv[2];
  39                 do_cleanup = 1;
  40         } else {
  41                 file = argv[1];
  42                 do_cleanup = 0;
  43         }
  44
  45         memset(&res, 0, sizeof(res));
  46
  47         printf("Checking journal: ");
  48         fflush(stdout);
  49         rv = jfsck(file, &res);
  50
  51         if (rv == J_ENOENT) {
  52                 printf("No such file or directory\n");
  53                 return 1;
  54         } else if (rv == J_ENOJOURNAL) {
  55                 printf("No journal associated to the file, "
  56                                 "or journal empty\n");
  57                 return 1;
  58         }
  59
  60         printf("done\n");
  61
  62         if (do_cleanup) {
  63                 printf("Cleaning journal: ");
  64                 fflush(stdout);
  65                 if (!jfsck_cleanup(file)) {
  66                         printf("Error cleaning journal\n");
  67                         return 1;
  68                 }
  69
  70                 printf("done\n");
  71         }
  72
  73         printf("Journal checking results\n");
  74         printf("------------------------\n\n");
  75
  76         printf("Total:\t\t %d\n", res.total);
  77         printf("Invalid:\t %d\n", res.invalid);
  78         printf("In progress:\t %d\n", res.in_progress);
  79         printf("Broken head:\t %d\n", res.broken_head);
  80         printf("Broken body:\t %d\n", res.broken_body);
  81         printf("Load error:\t %d\n", res.load_error);
  82         printf("Corrupt:\t %d\n", res.corrupt);
  83         printf("Apply error:\t %d\n", res.apply_error);
  84         printf("Reapplied:\t %d\n", res.reapplied);
  85         printf("\n");
  86
  87         if (!do_cleanup) {
  88                 printf("You can now safely remove the journal directory "
  89                                 "completely\nto start a new journal.\n");
  90         } else {
  91                 printf("The journal has been checked and cleaned up.\n");
  92         }
  93
  94         return 0;
  95 }
  96