Merge "[incremental] use vold to mount/unmount IncrementalFileSystem" am: 6bdfb77d8b am: a0945f468a
am: 1119bc8531
Change-Id: I772667d5c43cdf1ff37b156db9f47b61820433c7
diff --git a/Android.bp b/Android.bp
index 1c800fe..e1877b9 100644
--- a/Android.bp
+++ b/Android.bp
@@ -55,6 +55,7 @@
"libf2fs_sparseblock",
"libhardware",
"libhardware_legacy",
+ "libincfs",
"libhidlbase",
"libkeymaster4support",
"libkeyutils",
@@ -79,9 +80,15 @@
],
aidl: {
local_include_dirs: ["binder"],
- include_dirs: ["frameworks/native/aidl/binder"],
+ include_dirs: [
+ "frameworks/native/aidl/binder",
+ "frameworks/base/core/java/android/os/incremental",
+ ],
export_aidl_headers: true,
},
+ whole_static_libs: [
+ "libincremental_aidl-cpp",
+ ],
}
cc_library_headers {
diff --git a/VoldNativeService.cpp b/VoldNativeService.cpp
index 1f7638f..b82ea06 100644
--- a/VoldNativeService.cpp
+++ b/VoldNativeService.cpp
@@ -28,6 +28,7 @@
#include "FsCrypt.h"
#include "MetadataCrypt.h"
#include "cryptfs.h"
+#include "incfs_ndk.h"
#include <fstream>
#include <thread>
@@ -920,5 +921,38 @@
return ok();
}
+binder::Status VoldNativeService::incFsVersion(int32_t* _aidl_return) {
+ *_aidl_return = IncFs_Version();
+ return ok();
+}
+
+binder::Status VoldNativeService::mountIncFs(
+ const std::string& imagePath, const std::string& targetDir, int32_t flags,
+ ::android::os::incremental::IncrementalFileSystemControlParcel* _aidl_return) {
+ auto result = IncFs_Mount(imagePath.c_str(), targetDir.c_str(), flags,
+ INCFS_DEFAULT_READ_TIMEOUT_MS, 0777);
+ if (result.cmdFd < 0) {
+ return translate(result.cmdFd);
+ }
+ LOG(INFO) << "VoldNativeService::mountIncFs: everything is fine! " << result.cmdFd << "/"
+ << result.logFd;
+ using ParcelFileDescriptor = ::android::os::ParcelFileDescriptor;
+ using unique_fd = ::android::base::unique_fd;
+ _aidl_return->cmd = std::make_unique<ParcelFileDescriptor>(unique_fd(result.cmdFd));
+ if (result.logFd >= 0) {
+ _aidl_return->log = std::make_unique<ParcelFileDescriptor>(unique_fd(result.logFd));
+ }
+ return ok();
+}
+
+binder::Status VoldNativeService::unmountIncFs(const std::string& dir) {
+ return translate(IncFs_Unmount(dir.c_str()));
+}
+
+binder::Status VoldNativeService::bindMount(const std::string& sourceDir,
+ const std::string& targetDir) {
+ return translate(IncFs_BindMount(sourceDir.c_str(), targetDir.c_str()));
+}
+
} // namespace vold
} // namespace android
diff --git a/VoldNativeService.h b/VoldNativeService.h
index cc4dd1b..ebd9041 100644
--- a/VoldNativeService.h
+++ b/VoldNativeService.h
@@ -142,6 +142,13 @@
binder::Status supportsBlockCheckpoint(bool* _aidl_return);
binder::Status supportsFileCheckpoint(bool* _aidl_return);
binder::Status resetCheckpoint();
+
+ binder::Status incFsVersion(int32_t* _aidl_return) override;
+ binder::Status mountIncFs(
+ const std::string& imagePath, const std::string& targetDir, int32_t flags,
+ ::android::os::incremental::IncrementalFileSystemControlParcel* _aidl_return) override;
+ binder::Status unmountIncFs(const std::string& dir) override;
+ binder::Status bindMount(const std::string& sourceDir, const std::string& targetDir) override;
};
} // namespace vold
diff --git a/binder/android/os/IVold.aidl b/binder/android/os/IVold.aidl
index f4528d9..975d94c 100644
--- a/binder/android/os/IVold.aidl
+++ b/binder/android/os/IVold.aidl
@@ -16,6 +16,7 @@
package android.os;
+import android.os.incremental.IncrementalFileSystemControlParcel;
import android.os.IVoldListener;
import android.os.IVoldMountCallback;
import android.os.IVoldTaskListener;
@@ -127,6 +128,11 @@
FileDescriptor openAppFuseFile(int uid, int mountId, int fileId, int flags);
+ int incFsVersion();
+ IncrementalFileSystemControlParcel mountIncFs(@utf8InCpp String imagePath, @utf8InCpp String targetDir, int flags);
+ void unmountIncFs(@utf8InCpp String dir);
+ void bindMount(@utf8InCpp String sourceDir, @utf8InCpp String targetDir);
+
const int ENCRYPTION_FLAG_NO_UI = 4;
const int ENCRYPTION_STATE_NONE = 1;