Commit | Line | Data |
---|---|---|
929be906 | 1 | /* SPDX-License-Identifier: LGPL-2.1 */ |
1da177e4 | 2 | /* |
1da177e4 LT |
3 | * |
4 | * Copyright (c) International Business Machines Corp., 2002,2004 | |
5 | * Author(s): Steve French (sfrench@us.ibm.com) | |
6 | * | |
1da177e4 | 7 | */ |
b647c35f | 8 | #include <linux/rbtree.h> |
9d002df4 | 9 | |
1da177e4 LT |
10 | #ifndef _CIFS_FS_SB_H |
11 | #define _CIFS_FS_SB_H | |
12 | ||
8044f7f4 JA |
13 | #include <linux/backing-dev.h> |
14 | ||
1da177e4 | 15 | #define CIFS_MOUNT_NO_PERM 1 /* do not do client vfs_perm check */ |
a001e5b5 | 16 | #define CIFS_MOUNT_SET_UID 2 /* set current's euid in create etc. */ |
13a6e42a | 17 | #define CIFS_MOUNT_SERVER_INUM 4 /* inode numbers from uniqueid from server */ |
1da177e4 | 18 | #define CIFS_MOUNT_DIRECT_IO 8 /* do not write nor read through page cache */ |
4523cc30 SF |
19 | #define CIFS_MOUNT_NO_XATTR 0x10 /* if set - disable xattr support */ |
20 | #define CIFS_MOUNT_MAP_SPECIAL_CHR 0x20 /* remap illegal chars in filenames */ | |
21 | #define CIFS_MOUNT_POSIX_PATHS 0x40 /* Negotiate posix pathnames if possible*/ | |
22 | #define CIFS_MOUNT_UNX_EMUL 0x80 /* Network compat with SFUnix emulation */ | |
23 | #define CIFS_MOUNT_NO_BRL 0x100 /* No sending byte range locks to srv */ | |
24 | #define CIFS_MOUNT_CIFS_ACL 0x200 /* send ACL requests to non-POSIX srv */ | |
25 | #define CIFS_MOUNT_OVERR_UID 0x400 /* override uid returned from server */ | |
26 | #define CIFS_MOUNT_OVERR_GID 0x800 /* override gid returned from server */ | |
13a6e42a SF |
27 | #define CIFS_MOUNT_DYNPERM 0x1000 /* allow in-memory only mode setting */ |
28 | #define CIFS_MOUNT_NOPOSIXBRL 0x2000 /* mandatory not posix byte range lock */ | |
4717bed6 | 29 | #define CIFS_MOUNT_NOSSYNC 0x4000 /* don't do slow SMBflush on every sync*/ |
fa1df75d | 30 | #define CIFS_MOUNT_FSCACHE 0x8000 /* local caching enabled */ |
1b12b9c1 | 31 | #define CIFS_MOUNT_MF_SYMLINKS 0x10000 /* Minshall+French Symlinks enabled */ |
6508d904 | 32 | #define CIFS_MOUNT_MULTIUSER 0x20000 /* multiuser mount */ |
4f8ba8a0 | 33 | #define CIFS_MOUNT_STRICT_IO 0x40000 /* strict cache mode */ |
d4ffff1f | 34 | #define CIFS_MOUNT_RWPIDFORWARD 0x80000 /* use pid forwarding for rw */ |
1751e8a6 | 35 | #define CIFS_MOUNT_POSIXACL 0x100000 /* mirror of SB_POSIXACL in mnt_cifs_flags */ |
3d3ea8e6 SP |
36 | #define CIFS_MOUNT_CIFS_BACKUPUID 0x200000 /* backup intent bit for a user */ |
37 | #define CIFS_MOUNT_CIFS_BACKUPGID 0x400000 /* backup intent bit for a group */ | |
b693855f | 38 | #define CIFS_MOUNT_MAP_SFM_CHR 0x800000 /* SFM/MAC mapping for illegal chars */ |
a6b5058f AA |
39 | #define CIFS_MOUNT_USE_PREFIX_PATH 0x1000000 /* make subpath with unaccessible |
40 | * root mountable | |
41 | */ | |
95932655 | 42 | #define CIFS_MOUNT_UID_FROM_ACL 0x2000000 /* try to get UID via special SID */ |
3d4ef9a1 | 43 | #define CIFS_MOUNT_NO_HANDLE_CACHE 0x4000000 /* disable caching dir handles */ |
8393072b | 44 | #define CIFS_MOUNT_NO_DFS 0x8000000 /* disable DFS resolving */ |
412094a8 | 45 | #define CIFS_MOUNT_MODE_FROM_SID 0x10000000 /* retrieve mode from special ACE */ |
83bbfa70 | 46 | #define CIFS_MOUNT_RO_CACHE 0x20000000 /* assumes share will not change */ |
41e033fe | 47 | #define CIFS_MOUNT_RW_CACHE 0x40000000 /* assumes only client accessing */ |
087f757b | 48 | #define CIFS_MOUNT_SHUTDOWN 0x80000000 |
1da177e4 LT |
49 | |
50 | struct cifs_sb_info { | |
b647c35f | 51 | struct rb_root tlink_tree; |
9d002df4 | 52 | spinlock_t tlink_tree_lock; |
413e661c | 53 | struct tcon_link *master_tlink; |
1da177e4 | 54 | struct nls_table *local_nls; |
d17abdf7 | 55 | struct smb3_fs_context *ctx; |
d7c86ff8 | 56 | atomic_t active; |
6508d904 | 57 | unsigned int mnt_cifs_flags; |
2de970ff | 58 | struct delayed_work prune_tlinks; |
2e32cf5e | 59 | struct rcu_head rcu; |
93d5cb51 PA |
60 | |
61 | /* only used when CIFS_MOUNT_USE_PREFIX_PATH is set */ | |
a6b5058f | 62 | char *prepath; |
93d5cb51 | 63 | |
29fbeb7a PAS |
64 | /* |
65 | * Indicate whether serverino option was turned off later | |
66 | * (cifs_autodisable_serverino) in order to match new mounts. | |
67 | */ | |
68 | bool mnt_cifs_serverino_autodisabled; | |
269f67e1 RS |
69 | /* |
70 | * Available once the mount has completed. | |
71 | */ | |
72 | struct dentry *root; | |
1da177e4 LT |
73 | }; |
74 | #endif /* _CIFS_FS_SB_H */ |