2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
4 * Copyright (C) 2002-2011 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__
21 struct yaffs_linux_context {
22 struct list_head context_list; /* List of these we have mounted */
23 struct yaffs_dev *dev;
24 struct super_block *super;
25 struct task_struct *bg_thread; /* Background thread for this device */
27 struct mutex gross_lock; /* Gross locking mutex*/
28 u8 *spare_buffer; /* For mtdif2 use. Don't know the buffer size
29 * at compile time so we have to allocate it.
31 struct list_head search_contexts;
32 struct task_struct *readdir_process;
37 #define yaffs_dev_to_lc(dev) ((struct yaffs_linux_context *)((dev)->os_context))
38 #define yaffs_dev_to_mtd(dev) ((struct mtd_info *)((dev)->driver_context))
40 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
41 #define WRITE_SIZE_STR "writesize"
42 #define WRITE_SIZE(mtd) ((mtd)->writesize)
44 #define WRITE_SIZE_STR "oobblock"
45 #define WRITE_SIZE(mtd) ((mtd)->oobblock)