src/vol/namei_ops.h

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 /* User space file system operations for Unix platforms. */
  11
  12 #ifndef _AFS_NAMEI_OPS_H_H_
  13 #define _AFS_NAMEI_OPS_H_H_
  14
  15 #ifdef AFS_NAMEI_ENV
  16
  17 /* Basic file operations */
  18 extern FD_t namei_fdopen(IHandle_t * h, char *fdperms);
  19 extern int namei_unlink(char *name);
  20
  21 /* Inode operations */
  22 extern Inode namei_MakeSpecIno(VolumeId volid, int type);
  23 extern Inode namei_icreate(IHandle_t * lh, char *part, afs_uint32 p1,
  24                            afs_uint32 p2, afs_uint32 p3, afs_uint32 p4);
  25 extern IHandle_t *namei_icreate_init(IHandle_t *lh, int dev, char *part,
  26                                      afs_uint32 p1, afs_uint32 p2,
  27                                      afs_uint32 p3, afs_uint32 p4);
  28 extern FD_t namei_iopen(IHandle_t * h);
  29 extern int namei_irelease(IHandle_t * h);
  30 afs_sfsize_t namei_iread(IHandle_t * h, afs_foff_t offset, char *buf,
  31                          afs_fsize_t size);
  32 afs_sfsize_t namei_iwrite(IHandle_t * h, afs_foff_t offset, char *buf,
  33                           afs_fsize_t size);
  34 extern int namei_dec(IHandle_t * h, Inode ino, int p1);
  35 extern int namei_inc(IHandle_t * h, Inode ino, int p1);
  36 extern int namei_GetLinkCount(FdHandle_t * h, Inode ino, int lockit, int fixup, int nowrite);
  37 extern int namei_SetLinkCount(FdHandle_t * h, Inode ino, int count, int locked);
  38 extern int namei_ViceREADME(char *partition);
  39 extern int namei_FixSpecialOGM(FdHandle_t *h, int check);
  40 #include "nfs.h"
  41 #include "viceinode.h"
  42 int namei_ListAFSFiles(char *dev,
  43                        int (*write_fun) (FD_t fp,
  44                                          struct ViceInodeInfo * info,
  45                                          char *dir, char *file), FD_t fp,
  46                        int (*judge_fun) (struct ViceInodeInfo * info,
  47                                          VolumeId vid, void *rock),
  48                        VolumeId singleVolumeNumber, void *rock);
  49 int ListViceInodes(char *devname, char *mountedOn, FD_t inodeFile,
  50                    int (*judgeInode) (struct ViceInodeInfo * info, VolumeId vid,
  51                                       void *rock),
  52                    VolumeId singleVolumeNumber, int *forcep, int forceR,
  53                    char *wpath, void *rock);
  54
  55 #define NAMEI_LCOMP_LEN 32
  56 #define NAMEI_PATH_LEN 256
  57
  58 #ifdef AFS_NT40_ENV
  59 #define NAMEI_DRIVE_LEN 3
  60 #define NAMEI_HASH_LEN 2
  61 #define NAMEI_COMP_LEN 18
  62 typedef struct {
  63     char n_drive[NAMEI_DRIVE_LEN];
  64     char n_voldir[NAMEI_COMP_LEN];
  65     char n_dir[NAMEI_HASH_LEN];
  66     char n_inode[NAMEI_COMP_LEN];
  67     char n_path[NAMEI_PATH_LEN];
  68 } namei_t;
  69 #else
  70 #define NAMEI_SCOMP_LEN 12
  71 typedef struct {
  72     char n_base[NAMEI_LCOMP_LEN];
  73     char n_voldir1[NAMEI_SCOMP_LEN];
  74     char n_voldir2[NAMEI_LCOMP_LEN];
  75     char n_dir1[NAMEI_SCOMP_LEN];
  76     char n_dir2[NAMEI_SCOMP_LEN];
  77     char n_inode[NAMEI_LCOMP_LEN];
  78     char n_path[NAMEI_PATH_LEN];
  79 } namei_t;
  80 #endif
  81
  82 void namei_HandleToName(namei_t * name, IHandle_t * h);
  83 int namei_ConvertROtoRWvolume(char *pname, VolumeId volumeId);
  84 int namei_replace_file_by_hardlink(IHandle_t *hLink, IHandle_t *hTarget);
  85
  86 # ifdef AFS_SALSRV_ENV
  87 #  include <afs/work_queue.h>
  88 extern void namei_SetWorkQueue(struct afs_work_queue *wq);
  89 # endif
  90
  91 #endif /* AFS_NAMEI_ENV */
  92
  93 #endif /* _AFS_NAMEI_OPS_H_H_ */