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kernel/linux-rt-4.4.41/fs/cifs/cifs_fs_sb.h 3.32 KB
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  /*
   *   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 MS_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
  					      */
  
  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 rsize;
  	unsigned int wsize;
  	unsigned long actimeo; /* attribute cache timeout (jiffies) */
  	atomic_t active;
  	kuid_t	mnt_uid;
  	kgid_t	mnt_gid;
  	kuid_t	mnt_backupuid;
  	kgid_t	mnt_backupgid;
  	umode_t	mnt_file_mode;
  	umode_t	mnt_dir_mode;
  	unsigned int mnt_cifs_flags;
  	char   *mountdata; /* options received at mount time or via DFS refs */
  	struct backing_dev_info bdi;
  	struct delayed_work prune_tlinks;
  	struct rcu_head rcu;
  	char *prepath;
  };
  #endif				/* _CIFS_FS_SB_H */