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TOMOYO Linux Cross Reference
Linux/fs/cifs/cifsfs.h

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  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 inodes */
 45 extern const struct inode_operations cifs_dir_inode_ops;
 46 extern struct inode *cifs_root_iget(struct super_block *);
 47 extern int cifs_create(struct inode *, struct dentry *, umode_t,
 48                        bool excl);
 49 extern int cifs_atomic_open(struct inode *, struct dentry *,
 50                             struct file *, unsigned, umode_t,
 51                             int *);
 52 extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
 53                                   unsigned int);
 54 extern int cifs_unlink(struct inode *dir, struct dentry *dentry);
 55 extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
 56 extern int cifs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
 57 extern int cifs_mkdir(struct inode *, struct dentry *, umode_t);
 58 extern int cifs_rmdir(struct inode *, struct dentry *);
 59 extern int cifs_rename(struct inode *, struct dentry *, struct inode *,
 60                        struct dentry *);
 61 extern int cifs_revalidate_file_attr(struct file *filp);
 62 extern int cifs_revalidate_dentry_attr(struct dentry *);
 63 extern int cifs_revalidate_file(struct file *filp);
 64 extern int cifs_revalidate_dentry(struct dentry *);
 65 extern int cifs_invalidate_mapping(struct inode *inode);
 66 extern int cifs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 67 extern int cifs_setattr(struct dentry *, struct iattr *);
 68 
 69 extern const struct inode_operations cifs_file_inode_ops;
 70 extern const struct inode_operations cifs_symlink_inode_ops;
 71 extern const struct inode_operations cifs_dfs_referral_inode_operations;
 72 
 73 
 74 /* Functions related to files and directories */
 75 extern const struct file_operations cifs_file_ops;
 76 extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */
 77 extern const struct file_operations cifs_file_strict_ops; /* if strictio mnt */
 78 extern const struct file_operations cifs_file_nobrl_ops; /* no brlocks */
 79 extern const struct file_operations cifs_file_direct_nobrl_ops;
 80 extern const struct file_operations cifs_file_strict_nobrl_ops;
 81 extern int cifs_open(struct inode *inode, struct file *file);
 82 extern int cifs_close(struct inode *inode, struct file *file);
 83 extern int cifs_closedir(struct inode *inode, struct file *file);
 84 extern ssize_t cifs_user_readv(struct kiocb *iocb, const struct iovec *iov,
 85                                unsigned long nr_segs, loff_t pos);
 86 extern ssize_t cifs_strict_readv(struct kiocb *iocb, const struct iovec *iov,
 87                                  unsigned long nr_segs, loff_t pos);
 88 extern ssize_t cifs_user_writev(struct kiocb *iocb, const struct iovec *iov,
 89                                 unsigned long nr_segs, loff_t pos);
 90 extern ssize_t cifs_strict_writev(struct kiocb *iocb, const struct iovec *iov,
 91                                   unsigned long nr_segs, loff_t pos);
 92 extern int cifs_lock(struct file *, int, struct file_lock *);
 93 extern int cifs_fsync(struct file *, loff_t, loff_t, int);
 94 extern int cifs_strict_fsync(struct file *, loff_t, loff_t, int);
 95 extern int cifs_flush(struct file *, fl_owner_t id);
 96 extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
 97 extern int cifs_file_strict_mmap(struct file * , struct vm_area_struct *);
 98 extern const struct file_operations cifs_dir_ops;
 99 extern int cifs_dir_open(struct inode *inode, struct file *file);
100 extern int cifs_readdir(struct file *file, void *direntry, filldir_t filldir);
101 
102 /* Functions related to dir entries */
103 extern const struct dentry_operations cifs_dentry_ops;
104 extern const struct dentry_operations cifs_ci_dentry_ops;
105 
106 #ifdef CONFIG_CIFS_DFS_UPCALL
107 extern struct vfsmount *cifs_dfs_d_automount(struct path *path);
108 #else
109 #define cifs_dfs_d_automount NULL
110 #endif
111 
112 /* Functions related to symlinks */
113 extern void *cifs_follow_link(struct dentry *direntry, struct nameidata *nd);
114 extern void cifs_put_link(struct dentry *direntry,
115                           struct nameidata *nd, void *);
116 extern int cifs_readlink(struct dentry *direntry, char __user *buffer,
117                          int buflen);
118 extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
119                         const char *symname);
120 extern int      cifs_removexattr(struct dentry *, const char *);
121 extern int      cifs_setxattr(struct dentry *, const char *, const void *,
122                         size_t, int);
123 extern ssize_t  cifs_getxattr(struct dentry *, const char *, void *, size_t);
124 extern ssize_t  cifs_listxattr(struct dentry *, char *, size_t);
125 extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
126 
127 #ifdef CONFIG_CIFS_NFSD_EXPORT
128 extern const struct export_operations cifs_export_ops;
129 #endif /* CONFIG_CIFS_NFSD_EXPORT */
130 
131 #define CIFS_VERSION   "1.78"
132 #endif                          /* _CIFSFS_H */
133 

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