test_ininfo.c

   1 #include "sofs09.h"
   2 #include "fsck.h"
   3 #include "fsck_helper.h"
   4
   5 /* This test can only be run after all other inode tests. */
   6 testresult_t test_ininfo(void)
   7 {
   8     testresult_t ret;
   9     int inodeidx;
  10     SOInode inode;
  11     ic_t icstat;
  12     int typesum;
  13     uint32_t realrefcount;
  14     SOSuperBlock *sb;
  15     int fret;
  16
  17     ret = nice;
  18     fetch_superblock(&sb);
  19
  20     for (inodeidx = 0; inodeidx < sb->itotal; ++inodeidx) {
  21         fret = soReadInode(&inode, inodeidx);
  22         if (fret < 0) FABORT(fret, "test_ininfo");
  23
  24         /* check freeness */
  25         ictable_get(inodeidx, &icstat);
  26         switch(icstat) {
  27             case idle:
  28                 if ((inode.mode && INODE_FREE) == 0) {
  29                     printf("Inode %d is free, but it's INODE_FREE bit is not "
  30                            "set.\n", inodeidx);
  31                     ret = corrupt;
  32                 }
  33                 break;
  34            case busy:
  35                 if ((inode.mode && INODE_FREE) == INODE_FREE) {
  36                     printf("Inode %d is in use, but it's INODE_FREE bit is "
  37                            "set.\n", inodeidx);
  38                     ret = corrupt;
  39                 }
  40                 break;
  41            default:
  42                 printf("BUM! test_ininfo assumes inodes are either free or "
  43                        "used.\n");
  44                 return corrupt;
  45         }
  46
  47         /* check type */
  48         typesum = (inode.mode && INODE_DIR)/INODE_DIR +
  49                   (inode.mode && INODE_FILE)/INODE_FILE +
  50                   (inode.mode && INODE_SYMLINK)/INODE_SYMLINK;
  51         if (((inode.mode && INODE_FREE) == 0) && typesum == 0) {
  52             printf("Inode %d is not free but has no type.\n", inodeidx);
  53             ret = corrupt;
  54         }
  55         if (typesum > 1) {
  56             printf("Inode %d has many types.\n", inodeidx);
  57             ret = corrupt;
  58         }
  59
  60         /* check refcount */
  61         irtable_get(inodeidx, &realrefcount);
  62         if (realrefcount != inode.refcount) {
  63             printf("Refcount of inode %d is %d but should be %d.\n", inodeidx,
  64             inode.refcount, realrefcount);
  65             ret = corrupt;
  66         }
  67     }
  68
  69     return ret;
  70 }