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/*
* Copyright (C) 2007 Martin Willi
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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 General Public License
* for more details.
*/
#ifndef COWFS_H
#define COWFS_H
#include <library.h>
typedef struct cowfs_t cowfs_t;
/**
* @brief cowfs - Copy on write FUSE filesystem.
*
*/
struct cowfs_t {
/**
* @brief Set an additional copy on write overlay.
*
* @param path path of the overlay
* @return FALSE if failed
*/
bool (*set_overlay)(cowfs_t *this, char *path);
/**
* @brief Stop, umount and destroy a cowfs FUSE filesystem.
*/
void (*destroy) (cowfs_t *this);
};
/**
* @brief Mount a cowfs FUSE filesystem.
*
* @param master read only master file system directory
* @param host copy on write host directory
* @param mount mountpoint where union is mounted
* @return instance, or NULL if FUSE initalization failed
*/
cowfs_t *cowfs_create(char *master, char *host, char *mount);
#endif /* COWFS_H */
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