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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 */
Jeff Laytonb647c352010-10-28 11:16:44 -040018#include <linux/rbtree.h>
Jeff Layton9d002df2010-10-06 19:51:11 -040019
Linus Torvalds1da177e2005-04-16 15:20:36 -070020#ifndef _CIFS_FS_SB_H
21#define _CIFS_FS_SB_H
22
Jens Axboe8044f7f2010-04-22 12:09:48 +020023#include <linux/backing-dev.h>
24
Linus Torvalds1da177e2005-04-16 15:20:36 -070025#define CIFS_MOUNT_NO_PERM 1 /* do not do client vfs_perm check */
David Howellsa001e5b2008-11-14 10:38:47 +110026#define CIFS_MOUNT_SET_UID 2 /* set current's euid in create etc. */
Steve French13a6e422008-12-02 17:24:33 +000027#define CIFS_MOUNT_SERVER_INUM 4 /* inode numbers from uniqueid from server */
Linus Torvalds1da177e2005-04-16 15:20:36 -070028#define CIFS_MOUNT_DIRECT_IO 8 /* do not write nor read through page cache */
Steve French4523cc32007-04-30 20:13:06 +000029#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 */
Steve French13a6e422008-12-02 17:24:33 +000037#define CIFS_MOUNT_DYNPERM 0x1000 /* allow in-memory only mode setting */
38#define CIFS_MOUNT_NOPOSIXBRL 0x2000 /* mandatory not posix byte range lock */
Steve French4717bed2009-02-24 14:44:19 +000039#define CIFS_MOUNT_NOSSYNC 0x4000 /* don't do slow SMBflush on every sync*/
Suresh Jayaramanfa1df752010-07-05 18:13:36 +053040#define CIFS_MOUNT_FSCACHE 0x8000 /* local caching enabled */
Stefan Metzmacher1b12b9c2010-08-05 21:19:56 +020041#define CIFS_MOUNT_MF_SYMLINKS 0x10000 /* Minshall+French Symlinks enabled */
Jeff Layton6508d902010-09-29 19:51:11 -040042#define CIFS_MOUNT_MULTIUSER 0x20000 /* multiuser mount */
Pavel Shilovsky4f8ba8a2010-11-21 22:36:12 +030043#define CIFS_MOUNT_STRICT_IO 0x40000 /* strict cache mode */
Pavel Shilovskyd4ffff12011-05-26 06:02:00 +000044#define CIFS_MOUNT_RWPIDFORWARD 0x80000 /* use pid forwarding for rw */
Al Viro2c6292a2011-06-17 09:05:48 -040045#define CIFS_MOUNT_POSIXACL 0x100000 /* mirror of MS_POSIXACL in mnt_cifs_flags */
Shirish Pargaonkar3d3ea8e2011-09-26 09:56:44 -050046#define CIFS_MOUNT_CIFS_BACKUPUID 0x200000 /* backup intent bit for a user */
47#define CIFS_MOUNT_CIFS_BACKUPGID 0x400000 /* backup intent bit for a group */
Steve Frenchb6938552014-09-25 13:20:05 -050048#define CIFS_MOUNT_MAP_SFM_CHR 0x800000 /* SFM/MAC mapping for illegal chars */
Linus Torvalds1da177e2005-04-16 15:20:36 -070049
50struct cifs_sb_info {
Jeff Laytonb647c352010-10-28 11:16:44 -040051 struct rb_root tlink_tree;
Jeff Layton9d002df2010-10-06 19:51:11 -040052 spinlock_t tlink_tree_lock;
Jeff Layton413e6612010-10-28 13:33:38 -040053 struct tcon_link *master_tlink;
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 struct nls_table *local_nls;
55 unsigned int rsize;
56 unsigned int wsize;
Suresh Jayaraman6d20e842010-12-01 14:42:28 +053057 unsigned long actimeo; /* attribute cache timeout (jiffies) */
Jeff Laytond7c86ff2010-10-11 15:07:19 -040058 atomic_t active;
Eric W. Biederman1f682332013-02-06 01:20:20 -080059 kuid_t mnt_uid;
60 kgid_t mnt_gid;
61 kuid_t mnt_backupuid;
62 kgid_t mnt_backupgid;
Al Viro5206efd2011-07-26 03:22:14 -040063 umode_t mnt_file_mode;
64 umode_t mnt_dir_mode;
Jeff Layton6508d902010-09-29 19:51:11 -040065 unsigned int mnt_cifs_flags;
Sean Finneyf14bcf72011-04-11 13:19:35 +000066 char *mountdata; /* options received at mount time or via DFS refs */
Jens Axboe8044f7f2010-04-22 12:09:48 +020067 struct backing_dev_info bdi;
Jeff Layton2de970f2010-10-06 19:51:12 -040068 struct delayed_work prune_tlinks;
Al Viro2e32cf52013-10-03 12:53:37 -040069 struct rcu_head rcu;
Linus Torvalds1da177e2005-04-16 15:20:36 -070070};
71#endif /* _CIFS_FS_SB_H */