1/*
2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
3 *
4 * Copyright (C) 2002-2010 Aleph One Ltd.
5 *   for Toby Churchill Ltd and Brightstar Engineering
6 *
7 * Created by Charles Manning <charles@aleph1.co.uk>
8 *
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.
12 *
13 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
14 */
15
16#ifndef __YAFFS_LINUX_H__
17#define __YAFFS_LINUX_H__
18
19#include "devextras.h"
20#include "yportenv.h"
21
22struct yaffs_LinuxContext {
23	struct ylist_head	contextList; /* List of these we have mounted */
24	struct yaffs_dev_s *dev;
25	struct super_block * superBlock;
26	struct task_struct *bgThread; /* Background thread for this device */
27	int bgRunning;
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.
31				 */
32	struct ylist_head searchContexts;
33	void (*putSuperFunc)(struct super_block *sb);
34
35	struct task_struct *readdirProcess;
36	unsigned mount_id;
37};
38
39#define yaffs_dev_to_lc(dev) ((struct yaffs_LinuxContext *)((dev)->os_context))
40#define yaffs_dev_to_mtd(dev) ((struct mtd_info *)((dev)->driver_context))
41
42#endif
43
44