minix/fs/pfs/inode.h

   1 #ifndef __PFS_INODE_H__
   2 #define __PFS_INODE_H__
   3
   4 /* Inode table.  This table holds inodes that are currently in use.
   5  */
   6
   7 #include <sys/queue.h>
   8
   9 EXTERN struct inode {
  10   mode_t i_mode;                /* file type, protection, etc. */
  11   nlink_t i_nlinks;             /* how many links to this file */
  12   uid_t i_uid;                  /* user id of the file's owner */
  13   gid_t i_gid;                  /* group number */
  14   off_t i_size;                 /* current file size in bytes */
  15   time_t i_atime;               /* time of last access (V2 only) */
  16   time_t i_mtime;               /* when was file data last changed */
  17   time_t i_ctime;               /* when was inode itself changed (V2 only)*/
  18
  19   /* The following items are not present on the disk. */
  20   dev_t i_dev;                  /* which device is the inode on */
  21   dev_t i_rdev;                 /* which special device is the inode on */
  22   ino_t i_num;                  /* inode number on its (minor) device */
  23   int i_count;                  /* # times inode used; 0 means slot is free */
  24   char i_update;                /* the ATIME, CTIME, and MTIME bits are here */
  25
  26   LIST_ENTRY(inode) i_hash;     /* hash list */
  27   TAILQ_ENTRY(inode) i_unused;  /* free and unused list */
  28
  29
  30 } inode[PFS_NR_INODES];
  31
  32 /* list of unused/free inodes */
  33 EXTERN TAILQ_HEAD(unused_inodes_t, inode)  unused_inodes;
  34
  35 /* inode hashtable */
  36 EXTERN LIST_HEAD(inodelist, inode)         hash_inodes[INODE_HASH_SIZE];
  37
  38
  39 #endif