| /* |
| * YAFFS: Yet another Flash File System . A NAND-flash specific file system. |
| * |
| * Copyright (C) 2002-2018 Aleph One Ltd. |
| * |
| * 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 |