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 */ 68