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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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fs/ocfs2/uptodate.h Normal file
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/* -*- mode: c; c-basic-offset: 8; -*-
* vim: noexpandtab sw=8 ts=8 sts=0:
*
* uptodate.h
*
* Cluster uptodate tracking
*
* Copyright (C) 2002, 2004, 2005 Oracle. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#ifndef OCFS2_UPTODATE_H
#define OCFS2_UPTODATE_H
/*
* The caching code relies on locking provided by the user of
* struct ocfs2_caching_info. These operations connect that up.
*/
struct ocfs2_caching_operations {
/*
* A u64 representing the owning structure. Usually this
* is the block number (i_blkno or whatnot). This is used so
* that caching log messages can identify the owning structure.
*/
u64 (*co_owner)(struct ocfs2_caching_info *ci);
/* The superblock is needed during I/O. */
struct super_block *(*co_get_super)(struct ocfs2_caching_info *ci);
/*
* Lock and unlock the caching data. These will not sleep, and
* should probably be spinlocks.
*/
void (*co_cache_lock)(struct ocfs2_caching_info *ci);
void (*co_cache_unlock)(struct ocfs2_caching_info *ci);
/*
* Lock and unlock for disk I/O. These will sleep, and should
* be mutexes.
*/
void (*co_io_lock)(struct ocfs2_caching_info *ci);
void (*co_io_unlock)(struct ocfs2_caching_info *ci);
};
int __init init_ocfs2_uptodate_cache(void);
void exit_ocfs2_uptodate_cache(void);
void ocfs2_metadata_cache_init(struct ocfs2_caching_info *ci,
const struct ocfs2_caching_operations *ops);
void ocfs2_metadata_cache_purge(struct ocfs2_caching_info *ci);
void ocfs2_metadata_cache_exit(struct ocfs2_caching_info *ci);
u64 ocfs2_metadata_cache_owner(struct ocfs2_caching_info *ci);
void ocfs2_metadata_cache_io_lock(struct ocfs2_caching_info *ci);
void ocfs2_metadata_cache_io_unlock(struct ocfs2_caching_info *ci);
int ocfs2_buffer_uptodate(struct ocfs2_caching_info *ci,
struct buffer_head *bh);
void ocfs2_set_buffer_uptodate(struct ocfs2_caching_info *ci,
struct buffer_head *bh);
void ocfs2_set_new_buffer_uptodate(struct ocfs2_caching_info *ci,
struct buffer_head *bh);
void ocfs2_remove_from_cache(struct ocfs2_caching_info *ci,
struct buffer_head *bh);
void ocfs2_remove_xattr_clusters_from_cache(struct ocfs2_caching_info *ci,
sector_t block,
u32 c_len);
int ocfs2_buffer_read_ahead(struct ocfs2_caching_info *ci,
struct buffer_head *bh);
#endif /* OCFS2_UPTODATE_H */