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Merge "Mount /storage to /mnt/androidwritable for MOUNT_EXTERNAL_ANDROID_WRITABLE apps" into rvc-dev

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TreeHugger Robot
2020-04-21 11:08:08 +00:00
committed by Android (Google) Code Review
parent 9e0ada13c8 ebd37477d9
commit fb2186cd1b
1 changed files with 5 additions and 0 deletions
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5
core/jni/com_android_internal_os_Zygote.cpp
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@@ -119,6 +119,7 @@ typedef const std::function<void(std::string)>& fail_fn_t;
static pid_t gSystemServerPid = 0;
static constexpr const char* kVoldAppDataIsolation = "persist.sys.vold_app_data_isolation_enabled";
static constexpr const char* kPropFuse = "persist.sys.fuse";
static const char kZygoteClassName[] = "com/android/internal/os/Zygote";
static jclass gZygoteClass;
@@ -831,6 +832,7 @@ static void MountEmulatedStorage(uid_t uid, jint mount_mode,
multiuser_get_uid(user_id, AID_EVERYBODY), fail_fn);
bool isFuse = GetBoolProperty(kPropFuse, false);
bool isAppDataIsolationEnabled = GetBoolProperty(kVoldAppDataIsolation, false);
if (isFuse) {
if (mount_mode == MOUNT_EXTERNAL_PASS_THROUGH) {
@@ -840,6 +842,9 @@ static void MountEmulatedStorage(uid_t uid, jint mount_mode,
} else if (mount_mode == MOUNT_EXTERNAL_INSTALLER) {
const std::string installer_source = StringPrintf("/mnt/installer/%d", user_id);
BindMount(installer_source, "/storage", fail_fn);
} else if (isAppDataIsolationEnabled && mount_mode == MOUNT_EXTERNAL_ANDROID_WRITABLE) {
const std::string writable_source = StringPrintf("/mnt/androidwritable/%d", user_id);
BindMount(writable_source, "/storage", fail_fn);
} else {
BindMount(user_source, "/storage", fail_fn);
}