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/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
*
* Copyright (C) 2002-2011 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1 as
* published by the Free Software Foundation.
*
* Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
*/
#ifndef __YAFFS_LINUX_H__
#define __YAFFS_LINUX_H__
#include "yportenv.h"
struct yaffs_linux_context {
struct list_head context_list; /* List of these we have mounted */
struct yaffs_dev *dev;
struct super_block *super;
struct task_struct *bg_thread; /* Background thread for this device */
int bg_running;
struct mutex gross_lock; /* Gross locking mutex*/
u8 *spare_buffer; /* For mtdif2 use. Don't know the buffer size
* at compile time so we have to allocate it.
*/
struct list_head search_contexts;
struct task_struct *readdir_process;
unsigned mount_id;
int dirty;
};
#define yaffs_dev_to_lc(dev) ((struct yaffs_linux_context *)((dev)->os_context))
#define yaffs_dev_to_mtd(dev) ((struct mtd_info *)((dev)->driver_context))
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
#define WRITE_SIZE_STR "writesize"
#define WRITE_SIZE(mtd) ((mtd)->writesize)
#else
#define WRITE_SIZE_STR "oobblock"
#define WRITE_SIZE(mtd) ((mtd)->oobblock)
#endif
#endif
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