79 lines
2.8 KiB
C
Executable File
79 lines
2.8 KiB
C
Executable File
/*
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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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#include "los_printf.h"
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#include "fs/fs.h"
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#include "inode/inode.h"
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#include "unistd.h"
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#include "fcntl.h"
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#include "sys/statfs.h"
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#include "linux/spinlock.h"
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#include "disk_pri.h"
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void los_vfs_init(void)
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{
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int err;
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uint retval;
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static bool g_vfs_init = false;
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struct inode *dev = NULL;
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if (g_vfs_init) {
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return;
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}
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#ifdef LOSCFG_FS_FAT_DISK
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spin_lock_init(&g_diskSpinlock);
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spin_lock_init(&g_diskFatBlockSpinlock);
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#endif
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files_initialize();
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files_initlist(&tg_filelist);
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fs_initialize();
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if ((err = inode_reserve("/", &g_root_inode)) < 0) {
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PRINT_ERR("los_vfs_init failed error %d\n", -err);
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return;
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}
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g_root_inode->i_mode |= S_IFDIR | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
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if ((err = inode_reserve("/dev", &dev)) < 0) {
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PRINT_ERR("los_vfs_init failed error %d\n", -err);
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return;
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}
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dev->i_mode |= S_IFDIR | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
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retval = init_file_mapping();
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if (retval != LOS_OK) {
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PRINT_ERR("Page cache file map init failed\n");
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return;
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}
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g_vfs_init = true;
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}
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