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Diffstat (limited to 'src/dumm/cowfs.h')
| -rw-r--r-- | src/dumm/cowfs.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/dumm/cowfs.h b/src/dumm/cowfs.h new file mode 100644 index 000000000..419197dd6 --- /dev/null +++ b/src/dumm/cowfs.h @@ -0,0 +1,54 @@ +/* + * 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 */ + |