include/linux/coda_fs_i.h

   1 /*
   2  *  coda_fs_i.h
   3  *
   4  *  Copyright (C) 1998 Carnegie Mellon University
   5  *
   6  */
   7
   8 #ifndef _LINUX_CODA_FS_I
   9 #define _LINUX_CODA_FS_I
  10
  11 #include <linux/types.h>
  12 #include <linux/list.h>
  13 #include <linux/coda.h>
  14
  15 /*
  16  * coda fs inode data
  17  */
  18 struct coda_inode_info {
  19         struct CodaFid     c_fid;       /* Coda identifier */
  20         u_short            c_flags;     /* flags (see below) */
  21         struct list_head   c_cilist;    /* list of all coda inodes */
  22         unsigned int       c_mapcount;  /* nr of times this inode is mapped */
  23         unsigned int       c_cached_epoch; /* epoch for cached permissions */
  24         vuid_t             c_uid;       /* fsuid for cached permissions */
  25         unsigned int       c_cached_perm; /* cached access permissions */
  26         struct inode       vfs_inode;
  27 };
  28
  29 /*
  30  * coda fs file private data
  31  */
  32 #define CODA_MAGIC 0xC0DAC0DA
  33 struct coda_file_info {
  34         int                cfi_magic;     /* magic number */
  35         struct file       *cfi_container; /* container file for this cnode */
  36         unsigned int       cfi_mapcount;  /* nr of times this file is mapped */
  37 };
  38
  39 #define CODA_FTOC(file) ((struct coda_file_info *)((file)->private_data))
  40
  41 /* flags */
  42 #define C_VATTR       0x1   /* Validity of vattr in inode */
  43 #define C_FLUSH       0x2   /* used after a flush */
  44 #define C_DYING       0x4   /* from venus (which died) */
  45 #define C_PURGE       0x8
  46
  47 int coda_cnode_make(struct inode **, struct CodaFid *, struct super_block *);
  48 struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr);
  49 int coda_cnode_makectl(struct inode **inode, struct super_block *sb);
  50 struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb);
  51 void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *);
  52
  53 #endif