linux-imx

/*

 *   fs/cifs/cifs_fs_sb.h

 *

 *   Copyright (c) International Business Machines  Corp., 2002,2004

 *   Author(s): Steve French (sfrench@us.ibm.com)

 *

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

 *   it under the terms of the GNU Lesser General Public License as published

 *   by the Free Software Foundation; either version 2.1 of the License, or

 *   (at your option) any later version.

 *

 *   This library is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See

 *   the GNU Lesser General Public License for more details.

 *

 */

#include <linux/rbtree.h>

​

#ifndef _CIFS_FS_SB_H

#define _CIFS_FS_SB_H

​

#include <linux/backing-dev.h>

​

#define CIFS_MOUNT_NO_PERM      1 /* do not do client vfs_perm check */

#define CIFS_MOUNT_SET_UID      2 /* set current's euid in create etc. */

#define CIFS_MOUNT_SERVER_INUM  4 /* inode numbers from uniqueid from server  */

#define CIFS_MOUNT_DIRECT_IO    8 /* do not write nor read through page cache */

#define CIFS_MOUNT_NO_XATTR     0x10  /* if set - disable xattr support       */

#define CIFS_MOUNT_MAP_SPECIAL_CHR 0x20 /* remap illegal chars in filenames   */

#define CIFS_MOUNT_POSIX_PATHS  0x40  /* Negotiate posix pathnames if possible*/

#define CIFS_MOUNT_UNX_EMUL     0x80  /* Network compat with SFUnix emulation */

#define CIFS_MOUNT_NO_BRL       0x100 /* No sending byte range locks to srv   */

#define CIFS_MOUNT_CIFS_ACL     0x200 /* send ACL requests to non-POSIX srv   */

#define CIFS_MOUNT_OVERR_UID    0x400 /* override uid returned from server    */

#define CIFS_MOUNT_OVERR_GID    0x800 /* override gid returned from server    */

#define CIFS_MOUNT_DYNPERM      0x1000 /* allow in-memory only mode setting   */

#define CIFS_MOUNT_NOPOSIXBRL   0x2000 /* mandatory not posix byte range lock */

#define CIFS_MOUNT_NOSSYNC      0x4000 /* don't do slow SMBflush on every sync*/

#define CIFS_MOUNT_FSCACHE  0x8000 /* local caching enabled */

#define CIFS_MOUNT_MF_SYMLINKS  0x10000 /* Minshall+French Symlinks enabled */

#define CIFS_MOUNT_MULTIUSER    0x20000 /* multiuser mount */

#define CIFS_MOUNT_STRICT_IO    0x40000 /* strict cache mode */

#define CIFS_MOUNT_RWPIDFORWARD 0x80000 /* use pid forwarding for rw */

#define CIFS_MOUNT_POSIXACL 0x100000 /* mirror of SB_POSIXACL in mnt_cifs_flags */

#define CIFS_MOUNT_CIFS_BACKUPUID 0x200000 /* backup intent bit for a user */

#define CIFS_MOUNT_CIFS_BACKUPGID 0x400000 /* backup intent bit for a group */

#define CIFS_MOUNT_MAP_SFM_CHR  0x800000 /* SFM/MAC mapping for illegal chars */

#define CIFS_MOUNT_USE_PREFIX_PATH 0x1000000 /* make subpath with unaccessible

                          * root mountable

                          */

#define CIFS_MOUNT_UID_FROM_ACL 0x2000000 /* try to get UID via special SID */

#define CIFS_MOUNT_NO_HANDLE_CACHE 0x4000000 /* disable caching dir handles */

#define CIFS_MOUNT_NO_DFS 0x8000000 /* disable DFS resolving */

​

struct cifs_sb_info {

    struct rb_root tlink_tree;

    spinlock_t tlink_tree_lock;

    struct tcon_link *master_tlink;

    struct nls_table *local_nls;

    unsigned int bsize;

    unsigned int rsize;

    unsigned int wsize;