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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * fs/cifs/cifsfs.h
3 *
Steve French297647c2007-10-12 04:11:59 +00004 * Copyright (c) International Business Machines Corp., 2002, 2007
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 * 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 * You should have received a copy of the GNU Lesser General Public License
18 * along with this library; if not, write to the Free Software
Steve Frenchd38d8c72007-06-28 19:44:13 +000019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Linus Torvalds1da177e2005-04-16 15:20:36 -070020 */
21
22#ifndef _CIFSFS_H
23#define _CIFSFS_H
24
25#define ROOT_I 2
26
Jeff Laytoncc0bad72009-06-25 00:56:52 -040027/*
28 * ino_t is 32-bits on 32-bit arch. We have to squash the 64-bit value down
29 * so that it will fit.
30 */
31static inline ino_t
32cifs_uniqueid_to_ino_t(u64 fileid)
33{
34 ino_t ino = (ino_t) fileid;
35 if (sizeof(ino_t) < sizeof(u64))
36 ino ^= fileid >> (sizeof(u64)-sizeof(ino_t)) * 8;
37 return ino;
38}
39
Igor Mammedove6ab1582008-01-11 01:49:48 +000040extern struct file_system_type cifs_fs_type;
Christoph Hellwigf5e54d62006-06-28 04:26:44 -070041extern const struct address_space_operations cifs_addr_ops;
42extern const struct address_space_operations cifs_addr_ops_smallbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -070043
Linus Torvalds1da177e2005-04-16 15:20:36 -070044/* Functions related to inodes */
Arjan van de Ven754661f2007-02-12 00:55:38 -080045extern const struct inode_operations cifs_dir_inode_ops;
Shirish Pargaonkar9b6763e2011-02-21 23:56:59 -060046extern struct inode *cifs_root_iget(struct super_block *);
Al Viro4acdaf22011-07-26 01:42:34 -040047extern int cifs_create(struct inode *, struct dentry *, umode_t,
Al Viroebfc3b42012-06-10 18:05:36 -040048 bool excl);
Al Virod9585272012-06-22 12:39:14 +040049extern int cifs_atomic_open(struct inode *, struct dentry *,
Al Viro30d90492012-06-22 12:40:19 +040050 struct file *, unsigned, umode_t,
Al Virod9585272012-06-22 12:39:14 +040051 int *);
Steve French50c2f752007-07-13 00:33:32 +000052extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
Al Viro00cd8dd2012-06-10 17:13:09 -040053 unsigned int);
Jeff Layton5f0319a2008-09-16 14:05:16 -040054extern int cifs_unlink(struct inode *dir, struct dentry *dentry);
Linus Torvalds1da177e2005-04-16 15:20:36 -070055extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
Al Viro1a67aaf2011-07-26 01:52:52 -040056extern int cifs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
Al Viro18bb1db2011-07-26 01:41:39 -040057extern int cifs_mkdir(struct inode *, struct dentry *, umode_t);
Linus Torvalds1da177e2005-04-16 15:20:36 -070058extern int cifs_rmdir(struct inode *, struct dentry *);
59extern int cifs_rename(struct inode *, struct dentry *, struct inode *,
60 struct dentry *);
Pavel Shilovsky6feb9892011-04-07 18:18:11 +040061extern int cifs_revalidate_file_attr(struct file *filp);
62extern int cifs_revalidate_dentry_attr(struct dentry *);
Jeff Laytonabab0952010-02-12 07:44:18 -050063extern int cifs_revalidate_file(struct file *filp);
Jeff Laytondf2cf172010-02-12 07:44:16 -050064extern int cifs_revalidate_dentry(struct dentry *);
Pavel Shilovsky6feb9892011-04-07 18:18:11 +040065extern int cifs_invalidate_mapping(struct inode *inode);
Linus Torvalds1da177e2005-04-16 15:20:36 -070066extern int cifs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
67extern int cifs_setattr(struct dentry *, struct iattr *);
68
Arjan van de Ven754661f2007-02-12 00:55:38 -080069extern const struct inode_operations cifs_file_inode_ops;
70extern const struct inode_operations cifs_symlink_inode_ops;
Alexey Dobriyan6e1d5dc2009-09-21 17:01:11 -070071extern const struct inode_operations cifs_dfs_referral_inode_operations;
Igor Mammedov6d5ae0d2008-01-25 03:28:31 +000072
73
Linus Torvalds1da177e2005-04-16 15:20:36 -070074/* Functions related to files and directories */
Arjan van de Ven4b6f5d22006-03-28 01:56:42 -080075extern const struct file_operations cifs_file_ops;
Steve Frenchd38d8c72007-06-28 19:44:13 +000076extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */
Pavel Shilovsky8be7e6b2010-12-12 13:11:13 +030077extern const struct file_operations cifs_file_strict_ops; /* if strictio mnt */
78extern const struct file_operations cifs_file_nobrl_ops; /* no brlocks */
79extern const struct file_operations cifs_file_direct_nobrl_ops;
80extern const struct file_operations cifs_file_strict_nobrl_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070081extern int cifs_open(struct inode *inode, struct file *file);
82extern int cifs_close(struct inode *inode, struct file *file);
83extern int cifs_closedir(struct inode *inode, struct file *file);
Pavel Shilovsky0b81c1c2011-03-10 10:11:05 +030084extern ssize_t cifs_user_readv(struct kiocb *iocb, const struct iovec *iov,
85 unsigned long nr_segs, loff_t pos);
Pavel Shilovskya70307e2010-12-14 11:50:41 +030086extern ssize_t cifs_strict_readv(struct kiocb *iocb, const struct iovec *iov,
87 unsigned long nr_segs, loff_t pos);
Pavel Shilovsky0b81c1c2011-03-10 10:11:05 +030088extern ssize_t cifs_user_writev(struct kiocb *iocb, const struct iovec *iov,
89 unsigned long nr_segs, loff_t pos);
Pavel Shilovsky72432ff2011-01-24 14:16:35 -050090extern ssize_t cifs_strict_writev(struct kiocb *iocb, const struct iovec *iov,
91 unsigned long nr_segs, loff_t pos);
Linus Torvalds1da177e2005-04-16 15:20:36 -070092extern int cifs_lock(struct file *, int, struct file_lock *);
Josef Bacik02c24a82011-07-16 20:44:56 -040093extern int cifs_fsync(struct file *, loff_t, loff_t, int);
94extern int cifs_strict_fsync(struct file *, loff_t, loff_t, int);
Miklos Szeredi75e1fcc2006-06-23 02:05:12 -070095extern int cifs_flush(struct file *, fl_owner_t id);
Linus Torvalds1da177e2005-04-16 15:20:36 -070096extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
Pavel Shilovsky7a6a19b2010-12-14 11:29:51 +030097extern int cifs_file_strict_mmap(struct file * , struct vm_area_struct *);
Arjan van de Ven4b6f5d22006-03-28 01:56:42 -080098extern const struct file_operations cifs_dir_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070099extern int cifs_dir_open(struct inode *inode, struct file *file);
100extern int cifs_readdir(struct file *file, void *direntry, filldir_t filldir);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101
102/* Functions related to dir entries */
Al Viro4fd03e82009-02-20 05:57:07 +0000103extern const struct dentry_operations cifs_dentry_ops;
104extern const struct dentry_operations cifs_ci_dentry_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105
David Howells01c64fe2011-01-14 18:45:47 +0000106#ifdef CONFIG_CIFS_DFS_UPCALL
107extern struct vfsmount *cifs_dfs_d_automount(struct path *path);
108#else
109#define cifs_dfs_d_automount NULL
110#endif
111
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112/* Functions related to symlinks */
Linus Torvaldscc314ee2005-08-19 18:02:56 -0700113extern void *cifs_follow_link(struct dentry *direntry, struct nameidata *nd);
Steve Frenchd38d8c72007-06-28 19:44:13 +0000114extern void cifs_put_link(struct dentry *direntry,
115 struct nameidata *nd, void *);
116extern int cifs_readlink(struct dentry *direntry, char __user *buffer,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117 int buflen);
118extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
119 const char *symname);
120extern int cifs_removexattr(struct dentry *, const char *);
Steve French13cd4b72010-10-07 18:46:32 +0000121extern int cifs_setxattr(struct dentry *, const char *, const void *,
Steve Frenchf654bac2005-04-28 22:41:04 -0700122 size_t, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123extern ssize_t cifs_getxattr(struct dentry *, const char *, void *, size_t);
124extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
Steve Frenchf9ddcca2008-05-15 05:51:55 +0000125extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
Steve French297647c2007-10-12 04:11:59 +0000126
Paul Bollef3a6a602011-10-12 14:14:04 +0200127#ifdef CONFIG_CIFS_NFSD_EXPORT
Christoph Hellwig39655162007-10-21 16:42:17 -0700128extern const struct export_operations cifs_export_ops;
Paul Bollef3a6a602011-10-12 14:14:04 +0200129#endif /* CONFIG_CIFS_NFSD_EXPORT */
Steve French297647c2007-10-12 04:11:59 +0000130
Steve French5efeb092012-09-19 06:22:46 -0700131#define CIFS_VERSION "2.0"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700132#endif /* _CIFSFS_H */