/* * 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