mirror of
https://github.com/hardkernel/kernel_common_drivers.git
synced 2026-06-25 12:03:48 +09:00
Jiucheng Xu
ab34a18fda
PD#SWPL-110877 Problem: yaffs2 is needed by low-end platform. Solution: port it from 5.4 Verify: SD4 Change-Id: I78336ab8ef94ea20e845149db59a42cf6a746bb2 Signed-off-by: Jiucheng Xu <jiucheng.xu@amlogic.com>
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
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* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
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*
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* Copyright (C) 2002-2018 Aleph One Ltd.
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*
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* Created by Charles Manning <charles@aleph1.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 2.1 as
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* published by the Free Software Foundation.
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*
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* Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
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*/
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#ifndef __YAFFS_LINUX_H__
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#define __YAFFS_LINUX_H__
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#include "yportenv.h"
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struct yaffs_linux_context {
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struct list_head context_list; /* List of these we have mounted */
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struct yaffs_dev *dev;
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struct super_block *super;
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struct task_struct *bg_thread; /* Background thread for this device */
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int bg_running;
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struct mutex gross_lock; /* Gross locking mutex*/
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u8 *spare_buffer; /* For mtdif2 use. Don't know the buffer size
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* at compile time so we have to allocate it.
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*/
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struct list_head search_contexts;
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struct task_struct *readdir_process;
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unsigned mount_id;
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int dirty;
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};
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#define yaffs_dev_to_lc(dev) ((struct yaffs_linux_context *)((dev)->os_context))
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#define yaffs_dev_to_mtd(dev) ((struct mtd_info *)((dev)->driver_context))
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#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
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#define WRITE_SIZE_STR "writesize"
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#define WRITE_SIZE(mtd) ((mtd)->writesize)
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#else
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#define WRITE_SIZE_STR "oobblock"
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#define WRITE_SIZE(mtd) ((mtd)->oobblock)
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#endif
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#endif
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