74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
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/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ZPFS_VFS_ZPFS_H
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#define ZPFS_VFS_ZPFS_H
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#include "compiler.h"
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#include "los_base.h"
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#include "los_typedef.h"
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#ifdef LOSCFG_FS_ZPFS
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#define ZPFS_NAME "zpfs"
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#define ZPFS_LEVELS 3
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typedef struct ZpfsDir {
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char *relPath;
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int index;
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int openEntry;
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} ZpfsDir;
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typedef struct ZpfsEntry {
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struct inode *mountedInode;
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char *mountedPath;
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char *mountedRelpath;
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} ZpfsEntry;
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typedef struct ZpfsConfig {
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char *patchTarget;
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struct inode *patchTargetInode;
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struct inode *patchInode;
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int entryCount;
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ZpfsEntry orgEntry[ZPFS_LEVELS];
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} ZpfsConfig;
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ZpfsConfig *GetZpfsConfig(const struct inode *inode);
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int ZpfsPrepare(const char *source, const char *target, struct inode **inodePtr, bool force);
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void ZpfsFreeConfig(ZpfsConfig *zpfsCfg);
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void ZpfsCleanUp(const void *node, const char *target);
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bool IsZpfsFileSystem(struct inode *inode);
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#endif /* LOSCFG_FS_ZPFS */
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#endif /* ZPFS_VFS_ZPFS_H */
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