[linux-block.git] / fs / cifs / cifsfs.h

/*
 *   fs/cifs/cifsfs.h
 *
 *   Copyright (c) International Business Machines  Corp., 2002, 2007
 *   Author(s): Steve French (sfrench@us.ibm.com)
 *
 *   This library is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Lesser General Public License as published
 *   by the Free Software Foundation; either version 2.1 of the License, or
 *   (at your option) any later version.
 *
 *   This library is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
 *   the GNU Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public License
 *   along with this library; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef _CIFSFS_H
#define _CIFSFS_H

#define ROOT_I 2

/*
 * ino_t is 32-bits on 32-bit arch. We have to squash the 64-bit value down
 * so that it will fit.
 */
static inline ino_t
cifs_uniqueid_to_ino_t(u64 fileid)
{
	ino_t ino = (ino_t) fileid;
	if (sizeof(ino_t) < sizeof(u64))
		ino ^= fileid >> (sizeof(u64)-sizeof(ino_t)) * 8;
	return ino;
}

extern struct file_system_type cifs_fs_type;
extern const struct address_space_operations cifs_addr_ops;
extern const struct address_space_operations cifs_addr_ops_smallbuf;

/* Functions related to super block operations */
extern void cifs_sb_active(struct super_block *sb);
extern void cifs_sb_deactive(struct super_block *sb);

/* Functions related to inodes */
extern const struct inode_operations cifs_dir_inode_ops;
extern struct inode *cifs_root_iget(struct super_block *);
extern int cifs_create(struct inode *, struct dentry *, int,
		       struct nameidata *);
extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
				  struct nameidata *);
extern int cifs_unlink(struct inode *dir, struct dentry *dentry);
extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
extern int cifs_mknod(struct inode *, struct dentry *, int, dev_t);
extern int cifs_mkdir(struct inode *, struct dentry *, int);
extern int cifs_rmdir(struct inode *, struct dentry *);
extern int cifs_rename(struct inode *, struct dentry *, struct inode *,
		       struct dentry *);
extern int cifs_revalidate_file(struct file *filp);
extern int cifs_revalidate_dentry(struct dentry *);
extern void cifs_invalidate_mapping(struct inode *inode);
extern int cifs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
extern int cifs_setattr(struct dentry *, struct iattr *);

extern const struct inode_operations cifs_file_inode_ops;
extern const struct inode_operations cifs_symlink_inode_ops;
extern const struct inode_operations cifs_dfs_referral_inode_operations;


/* Functions related to files and directories */
extern const struct file_operations cifs_file_ops;
extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */
extern const struct file_operations cifs_file_strict_ops; /* if strictio mnt */
extern const struct file_operations cifs_file_nobrl_ops; /* no brlocks */
extern const struct file_operations cifs_file_direct_nobrl_ops;
extern const struct file_operations cifs_file_strict_nobrl_ops;
extern int cifs_open(struct inode *inode, struct file *file);
extern int cifs_close(struct inode *inode, struct file *file);
extern int cifs_closedir(struct inode *inode, struct file *file);
extern ssize_t cifs_user_readv(struct kiocb *iocb, const struct iovec *iov,
			       unsigned long nr_segs, loff_t pos);
extern ssize_t cifs_strict_readv(struct kiocb *iocb, const struct iovec *iov,
				 unsigned long nr_segs, loff_t pos);
extern ssize_t cifs_user_writev(struct kiocb *iocb, const struct iovec *iov,
				unsigned long nr_segs, loff_t pos);
extern ssize_t cifs_strict_writev(struct kiocb *iocb, const struct iovec *iov,
				  unsigned long nr_segs, loff_t pos);
extern int cifs_lock(struct file *, int, struct file_lock *);
extern int cifs_fsync(struct file *, int);
extern int cifs_strict_fsync(struct file *, int);
extern int cifs_flush(struct file *, fl_owner_t id);
extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
extern int cifs_file_strict_mmap(struct file * , struct vm_area_struct *);
extern const struct file_operations cifs_dir_ops;
extern int cifs_dir_open(struct inode *inode, struct file *file);
extern int cifs_readdir(struct file *file, void *direntry, filldir_t filldir);

/* Functions related to dir entries */
extern const struct dentry_operations cifs_dentry_ops;
extern const struct dentry_operations cifs_ci_dentry_ops;

#ifdef CONFIG_CIFS_DFS_UPCALL
extern struct vfsmount *cifs_dfs_d_automount(struct path *path);
#else
#define cifs_dfs_d_automount NULL
#endif

/* Functions related to symlinks */
extern void *cifs_follow_link(struct dentry *direntry, struct nameidata *nd);
extern void cifs_put_link(struct dentry *direntry,
			  struct nameidata *nd, void *);
extern int cifs_readlink(struct dentry *direntry, char __user *buffer,
			 int buflen);
extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
			const char *symname);
extern int	cifs_removexattr(struct dentry *, const char *);
extern int	cifs_setxattr(struct dentry *, const char *, const void *,
			size_t, int);
extern ssize_t	cifs_getxattr(struct dentry *, const char *, void *, size_t);
extern ssize_t	cifs_listxattr(struct dentry *, char *, size_t);
extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);

#ifdef CIFS_NFSD_EXPORT
extern const struct export_operations cifs_export_ops;
#endif /* CIFS_NFSD_EXPORT */

#define CIFS_VERSION   "1.71"
#endif				/* _CIFSFS_H */
Commit	Line	Data
	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 void cifs_sb_active(struct super_block *sb);
	46	extern void cifs_sb_deactive(struct super_block *sb);
	47
	48	/* Functions related to inodes */
	49	extern const struct inode_operations cifs_dir_inode_ops;
	50	extern struct inode cifs_root_iget(struct super_block );
	51	extern int cifs_create(struct inode , struct dentry , int,
	52	struct nameidata *);
	53	extern struct dentry cifs_lookup(struct inode , struct dentry *,
	54	struct nameidata *);
	55	extern int cifs_unlink(struct inode dir, struct dentry dentry);
	56	extern int cifs_hardlink(struct dentry , struct inode , struct dentry *);
	57	extern int cifs_mknod(struct inode , struct dentry , int, dev_t);
	58	extern int cifs_mkdir(struct inode , struct dentry , int);
	59	extern int cifs_rmdir(struct inode , struct dentry );
	60	extern int cifs_rename(struct inode , struct dentry , struct inode *,
	61	struct dentry *);
	62	extern int cifs_revalidate_file(struct file *filp);
	63	extern int cifs_revalidate_dentry(struct dentry *);
	64	extern void cifs_invalidate_mapping(struct inode *inode);
	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 const 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_strict_ops; /* if strictio mnt */
	77	extern const struct file_operations cifs_file_nobrl_ops; /* no brlocks */
	78	extern const struct file_operations cifs_file_direct_nobrl_ops;
	79	extern const struct file_operations cifs_file_strict_nobrl_ops;
	80	extern int cifs_open(struct inode inode, struct file file);
	81	extern int cifs_close(struct inode inode, struct file file);
	82	extern int cifs_closedir(struct inode inode, struct file file);
	83	extern ssize_t cifs_user_readv(struct kiocb iocb, const struct iovec iov,
	84	unsigned long nr_segs, loff_t pos);
	85	extern ssize_t cifs_strict_readv(struct kiocb iocb, const struct iovec iov,
	86	unsigned long nr_segs, loff_t pos);
	87	extern ssize_t cifs_user_writev(struct kiocb iocb, const struct iovec iov,
	88	unsigned long nr_segs, loff_t pos);
	89	extern ssize_t cifs_strict_writev(struct kiocb iocb, const struct iovec iov,
	90	unsigned long nr_segs, loff_t pos);
	91	extern int cifs_lock(struct file , int, struct file_lock );
	92	extern int cifs_fsync(struct file *, int);
	93	extern int cifs_strict_fsync(struct file *, int);
	94	extern int cifs_flush(struct file *, fl_owner_t id);
	95	extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
	96	extern int cifs_file_strict_mmap(struct file * , struct vm_area_struct *);
	97	extern const struct file_operations cifs_dir_ops;
	98	extern int cifs_dir_open(struct inode inode, struct file file);
	99	extern int cifs_readdir(struct file file, void direntry, filldir_t filldir);
	100
	101	/* Functions related to dir entries */
	102	extern const struct dentry_operations cifs_dentry_ops;
	103	extern const struct dentry_operations cifs_ci_dentry_ops;
	104
	105	#ifdef CONFIG_CIFS_DFS_UPCALL
	106	extern struct vfsmount cifs_dfs_d_automount(struct path path);
	107	#else
	108	#define cifs_dfs_d_automount NULL
	109	#endif
	110
	111	/* Functions related to symlinks */
	112	extern void cifs_follow_link(struct dentry direntry, struct nameidata *nd);
	113	extern void cifs_put_link(struct dentry *direntry,
	114	struct nameidata nd, void );
	115	extern int cifs_readlink(struct dentry direntry, char __user buffer,
	116	int buflen);
	117	extern int cifs_symlink(struct inode inode, struct dentry direntry,
	118	const char *symname);
	119	extern int cifs_removexattr(struct dentry , const char );
	120	extern int cifs_setxattr(struct dentry , const char , const void *,
	121	size_t, int);
	122	extern ssize_t cifs_getxattr(struct dentry , const char , void *, size_t);
	123	extern ssize_t cifs_listxattr(struct dentry , char , size_t);
	124	extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
	125
	126	#ifdef CIFS_NFSD_EXPORT
	127	extern const struct export_operations cifs_export_ops;
	128	#endif /* CIFS_NFSD_EXPORT */
	129
	130	#define CIFS_VERSION "1.71"
	131	#endif /* _CIFSFS_H */