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 */ 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 40extern struct file_system_type cifs_fs_type; 41extern const struct address_space_operations cifs_addr_ops; 42extern 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;*/ 46extern 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 */ 51extern const struct inode_operations cifs_dir_inode_ops; 52extern struct inode *cifs_root_iget(struct super_block *, unsigned long); 53extern int cifs_create(struct inode *, struct dentry *, int, 54 struct nameidata *); 55extern struct dentry *cifs_lookup(struct inode *, struct dentry *, 56 struct nameidata *); 57extern int cifs_unlink(struct inode *dir, struct dentry *dentry); 58extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *); 59extern int cifs_mknod(struct inode *, struct dentry *, int, dev_t); 60extern int cifs_mkdir(struct inode *, struct dentry *, int); 61extern int cifs_rmdir(struct inode *, struct dentry *); 62extern int cifs_rename(struct inode *, struct dentry *, struct inode *, 63 struct dentry *); 64extern int cifs_revalidate_file(struct file *filp); 65extern int cifs_revalidate_dentry(struct dentry *); 66extern int cifs_getattr(struct vfsmount *, struct dentry *, struct kstat *); 67extern int cifs_setattr(struct dentry *, struct iattr *); 68 69extern const struct inode_operations cifs_file_inode_ops; 70extern const struct inode_operations cifs_symlink_inode_ops; 71extern const struct inode_operations cifs_dfs_referral_inode_operations; 72 73 74/* Functions related to files and directories */ 75extern const struct file_operations cifs_file_ops; 76extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */ 77extern const struct file_operations cifs_file_nobrl_ops; 78extern const struct file_operations cifs_file_direct_nobrl_ops; /* no brlocks */ 79extern int cifs_open(struct inode *inode, struct file *file); 80extern int cifs_close(struct inode *inode, struct file *file); 81extern int cifs_closedir(struct inode *inode, struct file *file); 82extern ssize_t cifs_user_read(struct file *file, char __user *read_data, 83 size_t read_size, loff_t *poffset); 84extern ssize_t cifs_user_write(struct file *file, const char __user *write_data, 85 size_t write_size, loff_t *poffset); 86extern int cifs_lock(struct file *, int, struct file_lock *); 87extern int cifs_fsync(struct file *, int); 88extern int cifs_flush(struct file *, fl_owner_t id); 89extern int cifs_file_mmap(struct file * , struct vm_area_struct *); 90extern const struct file_operations cifs_dir_ops; 91extern int cifs_dir_open(struct inode *inode, struct file *file); 92extern int cifs_readdir(struct file *file, void *direntry, filldir_t filldir); 93 94/* Functions related to dir entries */ 95extern const struct dentry_operations cifs_dentry_ops; 96extern const struct dentry_operations cifs_ci_dentry_ops; 97 98/* Functions related to symlinks */ 99extern void *cifs_follow_link(struct dentry *direntry, struct nameidata *nd); 100extern void cifs_put_link(struct dentry *direntry, 101 struct nameidata *nd, void *); 102extern int cifs_readlink(struct dentry *direntry, char __user *buffer, 103 int buflen); 104extern int cifs_symlink(struct inode *inode, struct dentry *direntry, 105 const char *symname); 106extern int cifs_removexattr(struct dentry *, const char *); 107extern int cifs_setxattr(struct dentry *, const char *, const void *, 108 size_t, int); 109extern ssize_t cifs_getxattr(struct dentry *, const char *, void *, size_t); 110extern ssize_t cifs_listxattr(struct dentry *, char *, size_t); 111extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); 112 113#ifdef CONFIG_CIFS_EXPERIMENTAL 114extern const struct export_operations cifs_export_ops; 115#endif /* EXPERIMENTAL */ 116 117#define CIFS_VERSION "1.65" 118#endif /* _CIFSFS_H */ 119