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  * This test is more like a set of tests, so, a lot of returns are spread all
   7  * over the code.
   8  */
   9 testresult_t test_ininfo(void)
  10 {
  11     testresult_t ret;
  12     int inodeidx;
  13     SOInode inode;
  14     ic_t icstat;
  15     int typesum;
  16     uint32_t realrefcount;
  17     SOSuperBlock *sb;
  18     int fret;
  19
  20     ret = nice;
  21     fetch_superblock(&sb);
  22
  23     for (inodeidx = 0; inodeidx < sb->itotal; ++inodeidx) {
  24         fret = soReadInode(&inode, inodeidx);
  25         if (fret < 0) FABORT(fret, "test_ininfo");
  26
  27         /* check freeness */
  28         ictable_get(inodeidx, &icstat);
  29         switch(icstat) {
  30             case idle:
  31                 if ((inode.mode && INODE_FREE) == 0) {
  32                     printf("Inode %d is free, but it's INODE_FREE bit is not "
  33                            "set.\n", inodeidx);
  34                     ret = corrupt;
  35                 }
  36                 break;
  37            case busy:
  38                 if ((inode.mode && INODE_FREE) == INODE_FREE) {
  39                     printf("Inode %d is in use, but it's INODE_FREE bit is "
  40                            "set.\n", inodeidx);
  41                     ret = corrupt;
  42                 }
  43                 break;
  44            default:
  45                 printf("BUM! test_ininfo assumes inodes are either free or "
  46                        "used.\n");
  47                 return corrupt;
  48         }
  49
  50         /* check type */
  51         typesum = (inode.mode && INODE_DIR)/INODE_DIR +
  52                   (inode.mode && INODE_FILE)/INODE_FILE +
  53                   (inode.mode && INODE_SYMLINK)/INODE_SYMLINK;
  54         if (((inode.mode && INODE_FREE) == 0) && typesum == 0) {
  55             printf("Inode %d is not free but has no type.\n", inodeidx);
  56             ret = corrupt;
  57         }
  58         if (typesum > 1) {
  59             printf("Inode %d has many types.\n", inodeidx);
  60             ret = corrupt;
  61         }
  62
  63         /* check refcount */
  64         irtable_get(inodeidx, &realrefcount);
  65         if (realrefcount != inode.refcount) {
  66             printf("Refcount of inode %d is %d but should be %d.\n", inodeidx,
  67             inode.refcount, realrefcount);
  68             ret = corrupt;
  69         }
  70     }
  71
  72     return ret;
  73 }