varsymfs.h

/*
 * Copyright (c) 2015, Cole Minnaar
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this
 * list of conditions and the following disclaimer in the documentation and/or other
 * materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may
 * be used to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _VARSYMFS_H_
#define _VARSYMFS_H_

#include <linux/dcache.h>
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/aio.h>
#include <linux/mm.h>
#include <linux/mount.h>
#include <linux/namei.h>
#include <linux/seq_file.h>
#include <linux/statfs.h>
#include <linux/fs_stack.h>
#include <linux/magic.h>
#include <linux/uaccess.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/version.h>

/* File system name */
#define VARSYMFS_NAME		"varsymfs"

/* File system magic number */
#define VARSYMFS_MAGIC_NUMBER	0x56534653

/* Varsymfs root inode number */
#define VARSYMFS_ROOT_INO	1

/* Function and structure definitions for super.c */
extern const struct super_operations varsymfs_simple_super_operations;


/* Function definitions for inode.c */
extern int varsymfs_init_inode_cache( void );
extern void varsymfs_destroy_inode_cache( void );
extern struct inode *varsymfs_iget( struct super_block *sb, unsigned long ino );

/* Function definitions for resolve.c */
int varsymfs_setup_resolve( struct super_block *s );

/* Function definitions for environment.c */
extern char *varsymfs_environment_get_value( char * env_var );


/* Varsymfs structures */
struct varsymfs_inode {
	struct inode vfs_inode;
};

#endif /* #ifndef _VARSYMFS_H_ */