1 /*
2 * fs/cifs/cifsfs.h
3 *
4 * Copyright (c) International Business Machines Corp., 2002, 2007
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 * 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
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 #ifndef _CIFSFS_H
23 #define _CIFSFS_H
24
25 #define ROOT_I 2
26
27 /*
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 */
31 static inline ino_t
32 cifs_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
40 extern struct file_system_type cifs_fs_type;
41 extern const struct address_space_operations cifs_addr_ops;
42 extern const struct address_space_operations cifs_addr_ops_smallbuf;
43
44 /* Functions related to super block operations */
45 /* extern const struct super_operations cifs_super_ops;*/
46 extern void cifs_read_inode(struct inode *);
47 /*extern void cifs_delete_inode(struct inode *);*/ /* BB not needed yet */
48 /* extern void cifs_write_inode(struct inode *); */ /* BB not needed yet */
49
50 /* Functions related to inodes */
51 extern const struct inode_operations cifs_dir_inode_ops;
52 extern struct inode *cifs_root_iget(struct super_block *, unsigned long);
53 extern int cifs_create(struct inode *, struct dentry *, int,
54 struct nameidata *);
55 extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
56 struct nameidata *);
57 extern int cifs_unlink(struct inode *dir, struct dentry *dentry);
58 extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
59 extern int cifs_mknod(struct inode *, struct dentry *, int, dev_t);
60 extern int cifs_mkdir(struct inode *, struct dentry *, int);
61 extern int cifs_rmdir(struct inode *, struct dentry *);
62 extern int cifs_rename(struct inode *, struct dentry *, struct inode *,
63 struct dentry *);
64 extern int cifs_revalidate(struct dentry *);
65 extern int cifs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
66 extern int cifs_setattr(struct dentry *, struct iattr *);
67
68 extern const struct inode_operations cifs_file_inode_ops;
69 extern const struct inode_operations cifs_symlink_inode_ops;
70 extern struct inode_operations cifs_dfs_referral_inode_operations;
71
72
73 /* Functions related to files and directories */
74 extern const struct file_operations cifs_file_ops;
75 extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */
76 extern const struct file_operations cifs_file_nobrl_ops;
77 extern const struct file_operations cifs_file_direct_nobrl_ops; /* no brlocks */
78 extern int cifs_open(struct inode *inode, struct file *file);
79 extern int cifs_close(struct inode *inode, struct file *file);
80 extern int cifs_closedir(struct inode *inode, struct file *file);
81 extern ssize_t cifs_user_read(struct file *file, char __user *read_data,
82 size_t read_size, loff_t *poffset);
83 extern ssize_t cifs_user_write(struct file *file, const char __user *write_data,
84 size_t write_size, loff_t *poffset);
85 extern int cifs_lock(struct file *, int, struct file_lock *);
86 extern int cifs_fsync(struct file *, struct dentry *, int);
87 extern int cifs_flush(struct file *, fl_owner_t id);
88 extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
89 extern const struct file_operations cifs_dir_ops;
90 extern int cifs_dir_open(struct inode *inode, struct file *file);
91 extern int cifs_readdir(struct file *file, void *direntry, filldir_t filldir);
92
93 /* Functions related to dir entries */
94 extern const struct dentry_operations cifs_dentry_ops;
95 extern const struct dentry_operations cifs_ci_dentry_ops;
96
97 /* Functions related to symlinks */
98 extern void *cifs_follow_link(struct dentry *direntry, struct nameidata *nd);
99 extern void cifs_put_link(struct dentry *direntry,
100 struct nameidata *nd, void *);
101 extern int cifs_readlink(struct dentry *direntry, char __user *buffer,
102 int buflen);
103 extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
104 const char *symname);
105 extern int cifs_removexattr(struct dentry *, const char *);
106 extern int cifs_setxattr(struct dentry *, const char *, const void *,
107 size_t, int);
108 extern ssize_t cifs_getxattr(struct dentry *, const char *, void *, size_t);
109 extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
110 extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
111
112 #ifdef CONFIG_CIFS_EXPERIMENTAL
113 extern const struct export_operations cifs_export_ops;
114 #endif /* EXPERIMENTAL */
115
116 #define CIFS_VERSION "1.60"
117 #endif /* _CIFSFS_H */
118
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