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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 | #define CIFS_MOUNT_RWPIDFORWARD 0x80000 /* use pid forwarding for rw */ | |
45 | #define CIFS_MOUNT_POSIXACL 0x100000 /* mirror of MS_POSIXACL in mnt_cifs_flags */ | |
46 | #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 */ | |
48 | #define CIFS_MOUNT_MAP_SFM_CHR 0x800000 /* SFM/MAC mapping for illegal chars */ | |
49 | #define CIFS_MOUNT_USE_PREFIX_PATH 0x1000000 /* make subpath with unaccessible | |
50 | * root mountable | |
51 | */ | |
52 | #define CIFS_MOUNT_UID_FROM_ACL 0x2000000 /* try to get UID via special SID */ | |
53 | ||
54 | struct cifs_sb_info { | |
55 | struct rb_root tlink_tree; | |
56 | spinlock_t tlink_tree_lock; | |
57 | struct tcon_link *master_tlink; | |
58 | struct nls_table *local_nls; | |
59 | unsigned int rsize; | |
60 | unsigned int wsize; | |
61 | unsigned long actimeo; /* attribute cache timeout (jiffies) */ | |
62 | atomic_t active; | |
63 | kuid_t mnt_uid; | |
64 | kgid_t mnt_gid; | |
65 | kuid_t mnt_backupuid; | |
66 | kgid_t mnt_backupgid; | |
67 | umode_t mnt_file_mode; | |
68 | umode_t mnt_dir_mode; | |
69 | unsigned int mnt_cifs_flags; | |
70 | char *mountdata; /* options received at mount time or via DFS refs */ | |
71 | struct delayed_work prune_tlinks; | |
72 | struct rcu_head rcu; | |
73 | char *prepath; | |
74 | }; | |
75 | #endif /* _CIFS_FS_SB_H */ |