View of xos/fs/buffer.h

/* Copyright (C) 2008  Emmanuel Varoquaux
 
   This file is part of XOS.
 
   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 3 of the License, or
   (at your option) any later version.
 
   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.
 
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
#ifndef BUFFER_H
#define BUFFER_H
 
struct device_struct;
 
int buffer_is_writable(const struct device_struct *device);
void *buffer_get(const struct device_struct *device, unsigned long block);
void buffer_release(const void *buffer);
int buffer_update(void *buffer);
void buffer_dirty(const void *buffer);
int buffer_sync(const struct device_struct *device);
 
#endif