linux-imx

/* AFS fileserver XDR types

 *

 * Copyright (C) 2018 Red Hat, Inc. All Rights Reserved.

 * Written by David Howells (dhowells@redhat.com)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public Licence

 * as published by the Free Software Foundation; either version

 * 2 of the Licence, or (at your option) any later version.

 */

​

#ifndef XDR_FS_H

#define XDR_FS_H

​

struct afs_xdr_AFSFetchStatus {

    __be32  if_version;

#define AFS_FSTATUS_VERSION 1

    __be32  type;

    __be32  nlink;

    __be32  size_lo;

    __be32  data_version_lo;

    __be32  author;

    __be32  owner;

    __be32  caller_access;

    __be32  anon_access;

    __be32  mode;

    __be32  parent_vnode;

    __be32  parent_unique;

    __be32  seg_size;

    __be32  mtime_client;

    __be32  mtime_server;

    __be32  group;

    __be32  sync_counter;

    __be32  data_version_hi;

    __be32  lock_count;

    __be32  size_hi;

    __be32  abort_code;

} __packed;

​

#define AFS_DIR_HASHTBL_SIZE    128

#define AFS_DIR_DIRENT_SIZE 32

#define AFS_DIR_SLOTS_PER_BLOCK 64

#define AFS_DIR_BLOCK_SIZE  2048

#define AFS_DIR_BLOCKS_PER_PAGE (PAGE_SIZE / AFS_DIR_BLOCK_SIZE)

#define AFS_DIR_MAX_SLOTS   65536

#define AFS_DIR_BLOCKS_WITH_CTR 128

#define AFS_DIR_MAX_BLOCKS  1023

#define AFS_DIR_RESV_BLOCKS 1

#define AFS_DIR_RESV_BLOCKS0    13

​

/*

 * Directory entry structure.

 */

union afs_xdr_dirent {

    struct {

        u8      valid;

        u8      unused[1];

        __be16      hash_next;

        __be32      vnode;

        __be32      unique;

        u8      name[16];

        u8      overflow[4];    /* if any char of the name (inc

                         * NUL) reaches here, consume