fs/cifs/cifs_fs_sb.h

   1 /*
   2  *   fs/cifs/cifs_fs_sb.h
   3  *
   4  *   Copyright (c) International Business Machines  Corp., 2002,2004
   5  *   Author(s): Steve French (sfrench@us.ibm.com)
   6  *
   7  *   This library is free software; you can redistribute it and/or modify
   8  *   it under the terms of the GNU Lesser General Public License as published
   9  *   by the Free Software Foundation; either version 2.1 of the License, or
  10  *   (at your option) any later version.
  11  *
  12  *   This library is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  15  *   the GNU Lesser General Public License for more details.
  16  *
  17  */
  18 #include <linux/rbtree.h>
  19
  20 #ifndef _CIFS_FS_SB_H
  21 #define _CIFS_FS_SB_H
  22
  23 #include <linux/backing-dev.h>
  24
  25 #define CIFS_MOUNT_NO_PERM      1 /* do not do client vfs_perm check */
  26 #define CIFS_MOUNT_SET_UID      2 /* set current's euid in create etc. */
  27 #define CIFS_MOUNT_SERVER_INUM  4 /* inode numbers from uniqueid from server  */
  28 #define CIFS_MOUNT_DIRECT_IO    8 /* do not write nor read through page cache */
  29 #define CIFS_MOUNT_NO_XATTR     0x10  /* if set - disable xattr support       */
  30 #define CIFS_MOUNT_MAP_SPECIAL_CHR 0x20 /* remap illegal chars in filenames   */
  31 #define CIFS_MOUNT_POSIX_PATHS  0x40  /* Negotiate posix pathnames if possible*/
  32 #define CIFS_MOUNT_UNX_EMUL     0x80  /* Network compat with SFUnix emulation */
  33 #define CIFS_MOUNT_NO_BRL       0x100 /* No sending byte range locks to srv   */
  34 #define CIFS_MOUNT_CIFS_ACL     0x200 /* send ACL requests to non-POSIX srv   */
  35 #define CIFS_MOUNT_OVERR_UID    0x400 /* override uid returned from server    */
  36 #define CIFS_MOUNT_OVERR_GID    0x800 /* override gid returned from server    */
  37 #define CIFS_MOUNT_DYNPERM      0x1000 /* allow in-memory only mode setting   */
  38 #define CIFS_MOUNT_NOPOSIXBRL   0x2000 /* mandatory not posix byte range lock */
  39 #define CIFS_MOUNT_NOSSYNC      0x4000 /* don't do slow SMBflush on every sync*/
  40 #define CIFS_MOUNT_FSCACHE      0x8000 /* local caching enabled */
  41 #define CIFS_MOUNT_MF_SYMLINKS  0x10000 /* Minshall+French Symlinks enabled */
  42 #define CIFS_MOUNT_MULTIUSER    0x20000 /* multiuser mount */
  43 #define CIFS_MOUNT_STRICT_IO    0x40000 /* strict cache mode */
  44
  45 struct cifs_sb_info {
  46         struct rb_root tlink_tree;
  47         spinlock_t tlink_tree_lock;
  48         struct tcon_link *master_tlink;
  49         struct nls_table *local_nls;
  50         unsigned int rsize;
  51         unsigned int wsize;
  52         unsigned long actimeo; /* attribute cache timeout (jiffies) */
  53         atomic_t active;
  54         uid_t   mnt_uid;
  55         gid_t   mnt_gid;
  56         mode_t  mnt_file_mode;
  57         mode_t  mnt_dir_mode;
  58         unsigned int mnt_cifs_flags;
  59         int     prepathlen;
  60         char   *prepath; /* relative path under the share to mount to */
  61 #ifdef CONFIG_CIFS_DFS_UPCALL
  62         char   *mountdata; /* mount options received at mount time */
  63 #endif
  64         struct backing_dev_info bdi;
  65         struct delayed_work prune_tlinks;
  66 };
  67 #endif                          /* _CIFS_FS_SB_H */