2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
4 * Copyright (C) 2002-2010 Aleph One Ltd.
5 * for Toby Churchill Ltd and Brightstar Engineering
7 * Created by Charles Manning <charles@aleph1.co.uk>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License version 2.1 as
11 * published by the Free Software Foundation.
13 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
16 #ifndef __YAFFS_LINUX_H__
17 #define __YAFFS_LINUX_H__
19 #include "devextras.h"
22 struct yaffs_LinuxContext {
23 struct ylist_head contextList; /* List of these we have mounted */
24 struct yaffs_DeviceStruct *dev;
25 struct super_block * superBlock;
26 struct task_struct *bgThread; /* Background thread for this device */
28 struct semaphore grossLock; /* Gross locking semaphore */
29 __u8 *spareBuffer; /* For mtdif2 use. Don't know the size of the buffer
30 * at compile time so we have to allocate it.
33 struct ylist_head searchContexts;
34 void (*putSuperFunc)(struct super_block *sb);
36 struct task_struct *readdirProcess;
39 #define yaffs_DeviceToContext(dev) ((struct yaffs_LinuxContext *)((dev)->context))