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82 lines
2.2 KiB
82 lines
2.2 KiB
/* |
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* Copyright (C) 2015 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#include "F2fs.h" |
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#include "Utils.h" |
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#include <android-base/logging.h> |
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#include <android-base/stringprintf.h> |
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#include <vector> |
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#include <string> |
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#include <sys/mount.h> |
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using android::base::StringPrintf; |
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namespace android { |
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namespace vold { |
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namespace f2fs { |
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static const char* kMkfsPath = "/system/bin/make_f2fs"; |
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static const char* kFsckPath = "/system/bin/fsck.f2fs"; |
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bool IsSupported() { |
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return access(kMkfsPath, X_OK) == 0 |
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&& access(kFsckPath, X_OK) == 0 |
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&& IsFilesystemSupported("f2fs"); |
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} |
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status_t Check(const std::string& source) { |
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std::vector<std::string> cmd; |
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cmd.push_back(kFsckPath); |
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cmd.push_back("-a"); |
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cmd.push_back(source); |
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// f2fs devices are currently always trusted |
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return ForkExecvp(cmd, sFsckContext); |
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} |
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status_t Mount(const std::string& source, const std::string& target) { |
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const char* c_source = source.c_str(); |
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const char* c_target = target.c_str(); |
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unsigned long flags = MS_NOATIME | MS_NODEV | MS_NOSUID | MS_DIRSYNC; |
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int res = mount(c_source, c_target, "f2fs", flags, NULL); |
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if (res != 0) { |
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PLOG(ERROR) << "Failed to mount " << source; |
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if (errno == EROFS) { |
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res = mount(c_source, c_target, "f2fs", flags | MS_RDONLY, NULL); |
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if (res != 0) { |
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PLOG(ERROR) << "Failed to mount read-only " << source; |
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} |
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} |
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} |
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return res; |
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} |
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status_t Format(const std::string& source) { |
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std::vector<std::string> cmd; |
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cmd.push_back(kMkfsPath); |
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cmd.push_back(source); |
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return ForkExecvp(cmd); |
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} |
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} // namespace f2fs |
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} // namespace vold |
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} // namespace android
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