mirror of
https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
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fc9499e55a
* Package version: T713XXU2BQCO Change-Id: I293d9e7f2df458c512d59b7a06f8ca6add610c99
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/*
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* Copyright (C) 2012-2013 Samsung Electronics Co., Ltd.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _EXFAT_CACHE_H
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#define _EXFAT_CACHE_H
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#include "exfat_config.h"
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#include "exfat_global.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define LOCKBIT 0x01
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#define DIRTYBIT 0x02
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#define DCACHE_MAX_RA_SIZE (128*1024)
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typedef struct __BUF_CACHE_T {
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struct __BUF_CACHE_T *next;
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struct __BUF_CACHE_T *prev;
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struct __BUF_CACHE_T *hash_next;
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struct __BUF_CACHE_T *hash_prev;
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INT32 drv;
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UINT32 sec;
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UINT32 flag;
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struct buffer_head *buf_bh;
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} BUF_CACHE_T;
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INT32 buf_init(struct super_block *sb);
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INT32 buf_shutdown(struct super_block *sb);
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INT32 FAT_read(struct super_block *sb, UINT32 loc, UINT32 *content);
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INT32 FAT_write(struct super_block *sb, UINT32 loc, UINT32 content);
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UINT8 *FAT_getblk(struct super_block *sb, UINT32 sec);
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void FAT_modify(struct super_block *sb, UINT32 sec);
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void FAT_release_all(struct super_block *sb);
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void FAT_sync(struct super_block *sb);
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UINT8 *buf_getblk(struct super_block *sb, UINT32 sec);
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void buf_modify(struct super_block *sb, UINT32 sec);
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void buf_lock(struct super_block *sb, UINT32 sec);
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void buf_unlock(struct super_block *sb, UINT32 sec);
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void buf_release(struct super_block *sb, UINT32 sec);
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void buf_release_all(struct super_block *sb);
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void buf_sync(struct super_block *sb);
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INT32 buf_cache_readahead(struct super_block * sb, UINT32 sec);
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#ifdef __cplusplus
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}
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#endif
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#endif
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