82 строки
3.6 KiB
C
82 строки
3.6 KiB
C
/* SPDX-License-Identifier: LGPL-2.1 */
|
|
/*
|
|
*
|
|
* Copyright (c) International Business Machines Corp., 2002,2004
|
|
* Author(s): Steve French (sfrench@us.ibm.com)
|
|
*
|
|
*/
|
|
#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 SB_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
|
|
*/
|
|
#define CIFS_MOUNT_UID_FROM_ACL 0x2000000 /* try to get UID via special SID */
|
|
#define CIFS_MOUNT_NO_HANDLE_CACHE 0x4000000 /* disable caching dir handles */
|
|
#define CIFS_MOUNT_NO_DFS 0x8000000 /* disable DFS resolving */
|
|
#define CIFS_MOUNT_MODE_FROM_SID 0x10000000 /* retrieve mode from special ACE */
|
|
#define CIFS_MOUNT_RO_CACHE 0x20000000 /* assumes share will not change */
|
|
#define CIFS_MOUNT_RW_CACHE 0x40000000 /* assumes only client accessing */
|
|
#define CIFS_MOUNT_SHUTDOWN 0x80000000
|
|
|
|
struct cifs_sb_info {
|
|
struct rb_root tlink_tree;
|
|
spinlock_t tlink_tree_lock;
|
|
struct tcon_link *master_tlink;
|
|
struct nls_table *local_nls;
|
|
struct smb3_fs_context *ctx;
|
|
atomic_t active;
|
|
unsigned int mnt_cifs_flags;
|
|
struct delayed_work prune_tlinks;
|
|
struct rcu_head rcu;
|
|
|
|
/* only used when CIFS_MOUNT_USE_PREFIX_PATH is set */
|
|
char *prepath;
|
|
|
|
/*
|
|
* Canonical DFS path initially provided by the mount call. We might connect to something
|
|
* different via DFS but we want to keep it to do failover properly.
|
|
*/
|
|
char *origin_fullpath; /* \\HOST\SHARE\[OPTIONAL PATH] */
|
|
/* randomly generated 128-bit number for indexing dfs mount groups in referral cache */
|
|
uuid_t dfs_mount_id;
|
|
/*
|
|
* Indicate whether serverino option was turned off later
|
|
* (cifs_autodisable_serverino) in order to match new mounts.
|
|
*/
|
|
bool mnt_cifs_serverino_autodisabled;
|
|
/*
|
|
* Available once the mount has completed.
|
|
*/
|
|
struct dentry *root;
|
|
};
|
|
#endif /* _CIFS_FS_SB_H */
|