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* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
* Copyright (C) 2002-2010 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
* Created by Charles Manning <>
* 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 "devextras.h"
#include "yportenv.h"
struct yaffs_LinuxContext {
struct ylist_head contextList; /* List of these we have mounted */
struct yaffs_dev_s *dev;
struct super_block * superBlock;
struct task_struct *bgThread; /* Background thread for this device */
int bgRunning;
struct semaphore grossLock; /* Gross locking semaphore */
__u8 *spareBuffer; /* For mtdif2 use. Don't know the size of the buffer
* at compile time so we have to allocate it.
struct ylist_head searchContexts;
void (*putSuperFunc)(struct super_block *sb);
struct task_struct *readdirProcess;
unsigned mount_id;
#define yaffs_dev_to_lc(dev) ((struct yaffs_LinuxContext *)((dev)->os_context))
#define yaffs_dev_to_mtd(dev) ((struct mtd_info *)((dev)->driver_context))