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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
44/* Functions related to super block operations */
Jeff Laytond7c86ff2010-10-11 15:07:19 -040045extern void cifs_sb_active(struct super_block *sb);
46extern void cifs_sb_deactive(struct super_block *sb);
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
48/* Functions related to inodes */
Arjan van de Ven754661f2007-02-12 00:55:38 -080049extern const struct inode_operations cifs_dir_inode_ops;
Jeff Laytonbd433d42009-05-27 09:37:34 -040050extern struct inode *cifs_root_iget(struct super_block *, unsigned long);
Steve Frenchd38d8c72007-06-28 19:44:13 +000051extern int cifs_create(struct inode *, struct dentry *, int,
Linus Torvalds1da177e2005-04-16 15:20:36 -070052 struct nameidata *);
Steve French50c2f752007-07-13 00:33:32 +000053extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 struct nameidata *);
Jeff Layton5f0319a2008-09-16 14:05:16 -040055extern int cifs_unlink(struct inode *dir, struct dentry *dentry);
Linus Torvalds1da177e2005-04-16 15:20:36 -070056extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
57extern int cifs_mknod(struct inode *, struct dentry *, int, dev_t);
58extern int cifs_mkdir(struct inode *, struct dentry *, int);
59extern int cifs_rmdir(struct inode *, struct dentry *);
60extern int cifs_rename(struct inode *, struct dentry *, struct inode *,
61 struct dentry *);
Jeff Laytonabab0952010-02-12 07:44:18 -050062extern int cifs_revalidate_file(struct file *filp);
Jeff Laytondf2cf172010-02-12 07:44:16 -050063extern int cifs_revalidate_dentry(struct dentry *);
Pavel Shilovsky8be7e6b2010-12-12 13:11:13 +030064extern void cifs_invalidate_mapping(struct inode *inode);
Linus Torvalds1da177e2005-04-16 15:20:36 -070065extern int cifs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
66extern int cifs_setattr(struct dentry *, struct iattr *);
67
Arjan van de Ven754661f2007-02-12 00:55:38 -080068extern const struct inode_operations cifs_file_inode_ops;
69extern const struct inode_operations cifs_symlink_inode_ops;
Alexey Dobriyan6e1d5dc2009-09-21 17:01:11 -070070extern const struct inode_operations cifs_dfs_referral_inode_operations;
Igor Mammedov6d5ae0d2008-01-25 03:28:31 +000071
72
Linus Torvalds1da177e2005-04-16 15:20:36 -070073/* Functions related to files and directories */
Arjan van de Ven4b6f5d22006-03-28 01:56:42 -080074extern const struct file_operations cifs_file_ops;
Steve Frenchd38d8c72007-06-28 19:44:13 +000075extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */
Pavel Shilovsky8be7e6b2010-12-12 13:11:13 +030076extern const struct file_operations cifs_file_strict_ops; /* if strictio mnt */
77extern const struct file_operations cifs_file_nobrl_ops; /* no brlocks */
78extern const struct file_operations cifs_file_direct_nobrl_ops;
79extern const struct file_operations cifs_file_strict_nobrl_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070080extern int cifs_open(struct inode *inode, struct file *file);
81extern int cifs_close(struct inode *inode, struct file *file);
82extern int cifs_closedir(struct inode *inode, struct file *file);
83extern ssize_t cifs_user_read(struct file *file, char __user *read_data,
Pavel Shilovskya70307e2010-12-14 11:50:41 +030084 size_t read_size, loff_t *poffset);
85extern ssize_t cifs_strict_readv(struct kiocb *iocb, const struct iovec *iov,
86 unsigned long nr_segs, loff_t pos);
Linus Torvalds1da177e2005-04-16 15:20:36 -070087extern ssize_t cifs_user_write(struct file *file, const char __user *write_data,
Pavel Shilovsky72432ff2011-01-24 14:16:35 -050088 size_t write_size, loff_t *poffset);
89extern ssize_t cifs_strict_writev(struct kiocb *iocb, const struct iovec *iov,
90 unsigned long nr_segs, loff_t pos);
Linus Torvalds1da177e2005-04-16 15:20:36 -070091extern int cifs_lock(struct file *, int, struct file_lock *);
Christoph Hellwig7ea80852010-05-26 17:53:25 +020092extern int cifs_fsync(struct file *, int);
Pavel Shilovsky8be7e6b2010-12-12 13:11:13 +030093extern int cifs_strict_fsync(struct file *, int);
Miklos Szeredi75e1fcc2006-06-23 02:05:12 -070094extern int cifs_flush(struct file *, fl_owner_t id);
Linus Torvalds1da177e2005-04-16 15:20:36 -070095extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
Pavel Shilovsky7a6a19b2010-12-14 11:29:51 +030096extern int cifs_file_strict_mmap(struct file * , struct vm_area_struct *);
Arjan van de Ven4b6f5d22006-03-28 01:56:42 -080097extern const struct file_operations cifs_dir_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070098extern int cifs_dir_open(struct inode *inode, struct file *file);
99extern int cifs_readdir(struct file *file, void *direntry, filldir_t filldir);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100
101/* Functions related to dir entries */
Al Viro4fd03e82009-02-20 05:57:07 +0000102extern const struct dentry_operations cifs_dentry_ops;
103extern const struct dentry_operations cifs_ci_dentry_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104
David Howells01c64fe2011-01-14 18:45:47 +0000105#ifdef CONFIG_CIFS_DFS_UPCALL
106extern struct vfsmount *cifs_dfs_d_automount(struct path *path);
107#else
108#define cifs_dfs_d_automount NULL
109#endif
110
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111/* Functions related to symlinks */
Linus Torvaldscc314ee2005-08-19 18:02:56 -0700112extern void *cifs_follow_link(struct dentry *direntry, struct nameidata *nd);
Steve Frenchd38d8c72007-06-28 19:44:13 +0000113extern void cifs_put_link(struct dentry *direntry,
114 struct nameidata *nd, void *);
115extern int cifs_readlink(struct dentry *direntry, char __user *buffer,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116 int buflen);
117extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
118 const char *symname);
119extern int cifs_removexattr(struct dentry *, const char *);
Steve French13cd4b72010-10-07 18:46:32 +0000120extern int cifs_setxattr(struct dentry *, const char *, const void *,
Steve Frenchf654bac2005-04-28 22:41:04 -0700121 size_t, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122extern ssize_t cifs_getxattr(struct dentry *, const char *, void *, size_t);
123extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
Steve Frenchf9ddcca2008-05-15 05:51:55 +0000124extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
Steve French297647c2007-10-12 04:11:59 +0000125
126#ifdef CONFIG_CIFS_EXPERIMENTAL
Christoph Hellwig39655162007-10-21 16:42:17 -0700127extern const struct export_operations cifs_export_ops;
Steve French297647c2007-10-12 04:11:59 +0000128#endif /* EXPERIMENTAL */
129
Steve Frencheed9e832011-02-21 22:31:47 +0000130#define CIFS_VERSION "1.71"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131#endif /* _CIFSFS_H */