Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * fs/cifs/cifsfs.h | |
3 | * | |
297647c2 | 4 | * Copyright (c) International Business Machines Corp., 2002, 2007 |
1da177e4 LT |
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 | |
d38d8c74 | 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
1da177e4 LT |
20 | */ |
21 | ||
22 | #ifndef _CIFSFS_H | |
23 | #define _CIFSFS_H | |
24 | ||
02323db1 JL |
25 | #include <linux/hash.h> |
26 | ||
1da177e4 LT |
27 | #define ROOT_I 2 |
28 | ||
cc0bad75 JL |
29 | /* |
30 | * ino_t is 32-bits on 32-bit arch. We have to squash the 64-bit value down | |
02323db1 JL |
31 | * so that it will fit. We use hash_64 to convert the value to 31 bits, and |
32 | * then add 1, to ensure that we don't end up with a 0 as the value. | |
cc0bad75 | 33 | */ |
02323db1 JL |
34 | static inline ino_t |
35 | cifs_uniqueid_to_ino_t(u64 fileid) | |
36 | { | |
1ee9f4bd YF |
37 | if ((sizeof(ino_t)) < (sizeof(u64))) |
38 | return (ino_t)hash_64(fileid, (sizeof(ino_t) * 8) - 1) + 1; | |
39 | ||
02323db1 | 40 | return (ino_t)fileid; |
1ee9f4bd | 41 | |
02323db1 | 42 | } |
cc0bad75 | 43 | |
e6ab1582 | 44 | extern struct file_system_type cifs_fs_type; |
f5e54d6e CH |
45 | extern const struct address_space_operations cifs_addr_ops; |
46 | extern const struct address_space_operations cifs_addr_ops_smallbuf; | |
1da177e4 | 47 | |
24261fc2 MG |
48 | /* Functions related to super block operations */ |
49 | extern void cifs_sb_active(struct super_block *sb); | |
50 | extern void cifs_sb_deactive(struct super_block *sb); | |
51 | ||
1da177e4 | 52 | /* Functions related to inodes */ |
754661f1 | 53 | extern const struct inode_operations cifs_dir_inode_ops; |
9b6763e0 | 54 | extern struct inode *cifs_root_iget(struct super_block *); |
4acdaf27 | 55 | extern int cifs_create(struct inode *, struct dentry *, umode_t, |
ebfc3b49 | 56 | bool excl); |
d9585277 | 57 | extern int cifs_atomic_open(struct inode *, struct dentry *, |
30d90494 | 58 | struct file *, unsigned, umode_t, |
d9585277 | 59 | int *); |
50c2f753 | 60 | extern struct dentry *cifs_lookup(struct inode *, struct dentry *, |
00cd8dd3 | 61 | unsigned int); |
5f0319a7 | 62 | extern int cifs_unlink(struct inode *dir, struct dentry *dentry); |
1da177e4 | 63 | extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *); |
1a67aafb | 64 | extern int cifs_mknod(struct inode *, struct dentry *, umode_t, dev_t); |
18bb1db3 | 65 | extern int cifs_mkdir(struct inode *, struct dentry *, umode_t); |
1da177e4 | 66 | extern int cifs_rmdir(struct inode *, struct dentry *); |
7c33d597 MS |
67 | extern int cifs_rename2(struct inode *, struct dentry *, struct inode *, |
68 | struct dentry *, unsigned int); | |
6feb9891 PS |
69 | extern int cifs_revalidate_file_attr(struct file *filp); |
70 | extern int cifs_revalidate_dentry_attr(struct dentry *); | |
abab095d | 71 | extern int cifs_revalidate_file(struct file *filp); |
df2cf170 | 72 | extern int cifs_revalidate_dentry(struct dentry *); |
6feb9891 | 73 | extern int cifs_invalidate_mapping(struct inode *inode); |
e284e53f | 74 | extern int cifs_revalidate_mapping(struct inode *inode); |
4f73c7d3 | 75 | extern int cifs_zap_mapping(struct inode *inode); |
1da177e4 LT |
76 | extern int cifs_getattr(struct vfsmount *, struct dentry *, struct kstat *); |
77 | extern int cifs_setattr(struct dentry *, struct iattr *); | |
78 | ||
754661f1 AV |
79 | extern const struct inode_operations cifs_file_inode_ops; |
80 | extern const struct inode_operations cifs_symlink_inode_ops; | |
6e1d5dcc | 81 | extern const struct inode_operations cifs_dfs_referral_inode_operations; |
6d5ae0de IM |
82 | |
83 | ||
1da177e4 | 84 | /* Functions related to files and directories */ |
4b6f5d20 | 85 | extern const struct file_operations cifs_file_ops; |
d38d8c74 | 86 | extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */ |
8be7e6ba PS |
87 | extern const struct file_operations cifs_file_strict_ops; /* if strictio mnt */ |
88 | extern const struct file_operations cifs_file_nobrl_ops; /* no brlocks */ | |
89 | extern const struct file_operations cifs_file_direct_nobrl_ops; | |
90 | extern const struct file_operations cifs_file_strict_nobrl_ops; | |
1da177e4 LT |
91 | extern int cifs_open(struct inode *inode, struct file *file); |
92 | extern int cifs_close(struct inode *inode, struct file *file); | |
93 | extern int cifs_closedir(struct inode *inode, struct file *file); | |
e6a7bcb4 AV |
94 | extern ssize_t cifs_user_readv(struct kiocb *iocb, struct iov_iter *to); |
95 | extern ssize_t cifs_strict_readv(struct kiocb *iocb, struct iov_iter *to); | |
3dae8750 AV |
96 | extern ssize_t cifs_user_writev(struct kiocb *iocb, struct iov_iter *from); |
97 | extern ssize_t cifs_strict_writev(struct kiocb *iocb, struct iov_iter *from); | |
1da177e4 | 98 | extern int cifs_lock(struct file *, int, struct file_lock *); |
02c24a82 JB |
99 | extern int cifs_fsync(struct file *, loff_t, loff_t, int); |
100 | extern int cifs_strict_fsync(struct file *, loff_t, loff_t, int); | |
75e1fcc0 | 101 | extern int cifs_flush(struct file *, fl_owner_t id); |
1da177e4 | 102 | extern int cifs_file_mmap(struct file * , struct vm_area_struct *); |
7a6a19b1 | 103 | extern int cifs_file_strict_mmap(struct file * , struct vm_area_struct *); |
4b6f5d20 | 104 | extern const struct file_operations cifs_dir_ops; |
1da177e4 | 105 | extern int cifs_dir_open(struct inode *inode, struct file *file); |
be4ccdcc | 106 | extern int cifs_readdir(struct file *file, struct dir_context *ctx); |
1da177e4 LT |
107 | |
108 | /* Functions related to dir entries */ | |
4fd03e84 AV |
109 | extern const struct dentry_operations cifs_dentry_ops; |
110 | extern const struct dentry_operations cifs_ci_dentry_ops; | |
1da177e4 | 111 | |
01c64fea DH |
112 | #ifdef CONFIG_CIFS_DFS_UPCALL |
113 | extern struct vfsmount *cifs_dfs_d_automount(struct path *path); | |
114 | #else | |
115 | #define cifs_dfs_d_automount NULL | |
116 | #endif | |
117 | ||
1da177e4 | 118 | /* Functions related to symlinks */ |
fceef393 AV |
119 | extern const char *cifs_get_link(struct dentry *, struct inode *, |
120 | struct delayed_call *); | |
1da177e4 LT |
121 | extern int cifs_symlink(struct inode *inode, struct dentry *direntry, |
122 | const char *symname); | |
123 | extern int cifs_removexattr(struct dentry *, const char *); | |
13cd4b7f | 124 | extern int cifs_setxattr(struct dentry *, const char *, const void *, |
f654bac2 | 125 | size_t, int); |
1da177e4 LT |
126 | extern ssize_t cifs_getxattr(struct dentry *, const char *, void *, size_t); |
127 | extern ssize_t cifs_listxattr(struct dentry *, char *, size_t); | |
f9ddcca4 | 128 | extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); |
f3a6a60e | 129 | #ifdef CONFIG_CIFS_NFSD_EXPORT |
39655164 | 130 | extern const struct export_operations cifs_export_ops; |
f3a6a60e | 131 | #endif /* CONFIG_CIFS_NFSD_EXPORT */ |
297647c2 | 132 | |
616a5399 | 133 | #define CIFS_VERSION "2.08" |
1da177e4 | 134 | #endif /* _CIFSFS_H */ |