2005-04-17 06:20:36 +08:00
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/*
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* fs/cifs/cifsfs.h
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*
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2007-10-12 12:11:59 +08:00
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* Copyright (c) International Business Machines Corp., 2002, 2007
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2005-04-17 06:20:36 +08:00
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* Author(s): Steve French (sfrench@us.ibm.com)
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software
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2007-06-29 03:44:13 +08:00
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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2005-04-17 06:20:36 +08:00
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*/
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#ifndef _CIFSFS_H
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#define _CIFSFS_H
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2014-05-03 01:50:02 +08:00
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#include <linux/hash.h>
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2005-04-17 06:20:36 +08:00
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#define ROOT_I 2
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2009-06-25 12:56:52 +08:00
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/*
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* ino_t is 32-bits on 32-bit arch. We have to squash the 64-bit value down
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2014-05-03 01:50:02 +08:00
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* so that it will fit. We use hash_64 to convert the value to 31 bits, and
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* then add 1, to ensure that we don't end up with a 0 as the value.
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2009-06-25 12:56:52 +08:00
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*/
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2014-05-03 01:50:02 +08:00
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#if BITS_PER_LONG == 64
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static inline ino_t
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cifs_uniqueid_to_ino_t(u64 fileid)
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{
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return (ino_t)fileid;
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}
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#else
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2009-06-25 12:56:52 +08:00
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static inline ino_t
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cifs_uniqueid_to_ino_t(u64 fileid)
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{
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2014-05-03 01:50:02 +08:00
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return (ino_t)hash_64(fileid, (sizeof(ino_t) * 8) - 1) + 1;
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2009-06-25 12:56:52 +08:00
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}
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2014-05-03 01:50:02 +08:00
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#endif
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2009-06-25 12:56:52 +08:00
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2008-01-11 09:49:48 +08:00
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extern struct file_system_type cifs_fs_type;
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2006-06-28 19:26:44 +08:00
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extern const struct address_space_operations cifs_addr_ops;
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extern const struct address_space_operations cifs_addr_ops_smallbuf;
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2005-04-17 06:20:36 +08:00
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2013-03-08 23:30:03 +08:00
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/* Functions related to super block operations */
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extern void cifs_sb_active(struct super_block *sb);
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extern void cifs_sb_deactive(struct super_block *sb);
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2005-04-17 06:20:36 +08:00
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/* Functions related to inodes */
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2007-02-12 16:55:38 +08:00
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extern const struct inode_operations cifs_dir_inode_ops;
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2011-02-22 13:56:59 +08:00
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extern struct inode *cifs_root_iget(struct super_block *);
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2011-07-26 13:42:34 +08:00
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extern int cifs_create(struct inode *, struct dentry *, umode_t,
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2012-06-11 06:05:36 +08:00
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bool excl);
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2012-06-22 16:39:14 +08:00
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extern int cifs_atomic_open(struct inode *, struct dentry *,
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2012-06-22 16:40:19 +08:00
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struct file *, unsigned, umode_t,
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2012-06-22 16:39:14 +08:00
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int *);
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2007-07-13 08:33:32 +08:00
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extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
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2012-06-11 05:13:09 +08:00
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unsigned int);
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2008-09-17 02:05:16 +08:00
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extern int cifs_unlink(struct inode *dir, struct dentry *dentry);
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2005-04-17 06:20:36 +08:00
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extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
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2011-07-26 13:52:52 +08:00
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extern int cifs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
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2011-07-26 13:41:39 +08:00
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extern int cifs_mkdir(struct inode *, struct dentry *, umode_t);
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2005-04-17 06:20:36 +08:00
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extern int cifs_rmdir(struct inode *, struct dentry *);
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2014-07-23 21:15:36 +08:00
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extern int cifs_rename2(struct inode *, struct dentry *, struct inode *,
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struct dentry *, unsigned int);
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2011-04-07 22:18:11 +08:00
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extern int cifs_revalidate_file_attr(struct file *filp);
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extern int cifs_revalidate_dentry_attr(struct dentry *);
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2010-02-12 20:44:18 +08:00
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extern int cifs_revalidate_file(struct file *filp);
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2010-02-12 20:44:16 +08:00
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extern int cifs_revalidate_dentry(struct dentry *);
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2011-04-07 22:18:11 +08:00
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extern int cifs_invalidate_mapping(struct inode *inode);
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2014-04-30 21:31:46 +08:00
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extern int cifs_revalidate_mapping(struct inode *inode);
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2014-04-30 21:31:47 +08:00
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extern int cifs_zap_mapping(struct inode *inode);
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2005-04-17 06:20:36 +08:00
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extern int cifs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
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extern int cifs_setattr(struct dentry *, struct iattr *);
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2007-02-12 16:55:38 +08:00
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extern const struct inode_operations cifs_file_inode_ops;
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extern const struct inode_operations cifs_symlink_inode_ops;
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2009-09-22 08:01:11 +08:00
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extern const struct inode_operations cifs_dfs_referral_inode_operations;
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2008-01-25 11:28:31 +08:00
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2005-04-17 06:20:36 +08:00
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/* Functions related to files and directories */
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2006-03-28 17:56:42 +08:00
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extern const struct file_operations cifs_file_ops;
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2007-06-29 03:44:13 +08:00
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extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */
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2010-12-12 18:11:13 +08:00
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extern const struct file_operations cifs_file_strict_ops; /* if strictio mnt */
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extern const struct file_operations cifs_file_nobrl_ops; /* no brlocks */
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extern const struct file_operations cifs_file_direct_nobrl_ops;
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extern const struct file_operations cifs_file_strict_nobrl_ops;
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2005-04-17 06:20:36 +08:00
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extern int cifs_open(struct inode *inode, struct file *file);
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extern int cifs_close(struct inode *inode, struct file *file);
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extern int cifs_closedir(struct inode *inode, struct file *file);
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2014-04-03 07:53:36 +08:00
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extern ssize_t cifs_user_readv(struct kiocb *iocb, struct iov_iter *to);
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extern ssize_t cifs_strict_readv(struct kiocb *iocb, struct iov_iter *to);
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2014-04-04 00:05:17 +08:00
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extern ssize_t cifs_user_writev(struct kiocb *iocb, struct iov_iter *from);
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extern ssize_t cifs_strict_writev(struct kiocb *iocb, struct iov_iter *from);
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2005-04-17 06:20:36 +08:00
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extern int cifs_lock(struct file *, int, struct file_lock *);
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2011-07-17 08:44:56 +08:00
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extern int cifs_fsync(struct file *, loff_t, loff_t, int);
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extern int cifs_strict_fsync(struct file *, loff_t, loff_t, int);
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2006-06-23 17:05:12 +08:00
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extern int cifs_flush(struct file *, fl_owner_t id);
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2005-04-17 06:20:36 +08:00
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extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
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2010-12-14 16:29:51 +08:00
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extern int cifs_file_strict_mmap(struct file * , struct vm_area_struct *);
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2006-03-28 17:56:42 +08:00
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extern const struct file_operations cifs_dir_ops;
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2005-04-17 06:20:36 +08:00
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extern int cifs_dir_open(struct inode *inode, struct file *file);
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2013-05-23 04:17:25 +08:00
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extern int cifs_readdir(struct file *file, struct dir_context *ctx);
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2005-04-17 06:20:36 +08:00
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/* Functions related to dir entries */
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2009-02-20 13:57:07 +08:00
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extern const struct dentry_operations cifs_dentry_ops;
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extern const struct dentry_operations cifs_ci_dentry_ops;
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2005-04-17 06:20:36 +08:00
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2011-01-15 02:45:47 +08:00
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#ifdef CONFIG_CIFS_DFS_UPCALL
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extern struct vfsmount *cifs_dfs_d_automount(struct path *path);
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#else
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#define cifs_dfs_d_automount NULL
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#endif
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2005-04-17 06:20:36 +08:00
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/* Functions related to symlinks */
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2015-05-03 01:37:52 +08:00
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extern const char *cifs_follow_link(struct dentry *direntry, void **cookie);
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2007-06-29 03:44:13 +08:00
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extern int cifs_readlink(struct dentry *direntry, char __user *buffer,
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2005-04-17 06:20:36 +08:00
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int buflen);
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extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
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const char *symname);
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extern int cifs_removexattr(struct dentry *, const char *);
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2010-10-08 02:46:32 +08:00
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extern int cifs_setxattr(struct dentry *, const char *, const void *,
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2005-04-29 13:41:04 +08:00
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size_t, int);
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2005-04-17 06:20:36 +08:00
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extern ssize_t cifs_getxattr(struct dentry *, const char *, void *, size_t);
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extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
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2008-05-15 13:51:55 +08:00
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extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
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2007-10-12 12:11:59 +08:00
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2011-10-12 20:14:04 +08:00
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#ifdef CONFIG_CIFS_NFSD_EXPORT
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2007-10-22 07:42:17 +08:00
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extern const struct export_operations cifs_export_ops;
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2011-10-12 20:14:04 +08:00
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#endif /* CONFIG_CIFS_NFSD_EXPORT */
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2007-10-12 12:11:59 +08:00
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2015-07-05 07:45:33 +08:00
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#define CIFS_VERSION "2.07"
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2005-04-17 06:20:36 +08:00
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#endif /* _CIFSFS_H */
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