92 lines
3.2 KiB
C
92 lines
3.2 KiB
C
/*
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* Copyright (C) 2014 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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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
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#define _LARGEFILE64_SOURCE
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#include <stdio.h>
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#include <dlfcn.h>
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#include <assert.h>
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#include <f2fs_fs.h>
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#include <f2fs_format_utils.h>
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#if defined(__linux__)
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#define F2FS_DYN_LIB "libf2fs_fmt_host_dyn.so"
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#elif defined(__APPLE__) && defined(__MACH__)
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#define F2FS_DYN_LIB "libf2fs_fmt_host_dyn.dylib"
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#else
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#error "Not supported OS"
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#endif
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int (*f2fs_format_device_dl)(void);
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void (*f2fs_init_configuration_dl)(struct f2fs_configuration *);
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void (*flush_sparse_buffs_dl)(void);
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void (*init_sparse_file_dl)(unsigned int, int64_t);
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void (*finalize_sparse_file_dl)(int);
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struct f2fs_configuration *f2fs_config;
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int f2fs_format_device(void) {
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assert(f2fs_format_device_dl);
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return f2fs_format_device_dl();
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}
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void f2fs_init_configuration(struct f2fs_configuration *config) {
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assert(f2fs_init_configuration_dl);
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f2fs_init_configuration_dl(config);
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}
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void flush_sparse_buffs(void) {
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assert(flush_sparse_buffs_dl);
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return flush_sparse_buffs_dl();
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}
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void init_sparse_file(unsigned int block_size, int64_t len) {
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assert(init_sparse_file_dl);
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return init_sparse_file_dl(block_size, len);
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}
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void finalize_sparse_file(int fd) {
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assert(finalize_sparse_file_dl);
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return finalize_sparse_file_dl(fd);
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}
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int dlopenf2fs() {
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void* f2fs_lib;
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f2fs_lib = dlopen(F2FS_DYN_LIB, RTLD_NOW);
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if (!f2fs_lib) {
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return -1;
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}
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f2fs_format_device_dl = dlsym(f2fs_lib, "f2fs_format_device");
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f2fs_init_configuration_dl = dlsym(f2fs_lib, "f2fs_init_configuration");
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flush_sparse_buffs_dl = dlsym(f2fs_lib, "flush_sparse_buffs");
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init_sparse_file_dl = dlsym(f2fs_lib, "init_sparse_file");
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finalize_sparse_file_dl = dlsym(f2fs_lib, "finalize_sparse_file");
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f2fs_config = dlsym(f2fs_lib, "config");
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if (!f2fs_format_device_dl || !f2fs_init_configuration_dl ||
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!flush_sparse_buffs_dl || !f2fs_config ||
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!init_sparse_file_dl || !finalize_sparse_file_dl) {
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return -1;
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}
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return 0;
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}
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