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Commit 6951e8d7 authored by Jiakai Zhang's avatar Jiakai Zhang Committed by Automerger Merge Worker
Browse files

Merge changes from topic "snapshotctl_prop" into main am: a08ad4b1 

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2994275



Change-Id: I80585524ab145a907bce6ca5d7d9184c6413969b
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents d640b02b a08ad4b1

fs_mgr/libsnapshot/snapshotctl.cpp

+7 −4
Original line number Diff line number Diff line
@@ -52,6 +52,9 @@ 
using namespace std::chrono_literals;

using namespace std::string_literals;

using namespace android::storage_literals;

using android::base::LogdLogger;

using android::base::StderrLogger;

using android::base::TeeLogger;

using android::fs_mgr::CreateLogicalPartitionParams;

using android::fs_mgr::FindPartition;

using android::fs_mgr::GetPartitionSize;
@@ -461,23 +464,23 @@ bool MapSnapshots::DeleteSnapshots() { 
}



bool DumpCmdHandler(int /*argc*/, char** argv) {

    android::base::InitLogging(argv, &android::base::StderrLogger);

    android::base::InitLogging(argv, TeeLogger(LogdLogger(), &StderrLogger));

    return SnapshotManager::New()->Dump(std::cout);

}



bool MapCmdHandler(int, char** argv) {

    android::base::InitLogging(argv, &android::base::StderrLogger);

    android::base::InitLogging(argv, TeeLogger(LogdLogger(), &StderrLogger));

    using namespace std::chrono_literals;

    return SnapshotManager::New()->MapAllSnapshots(5000ms);

}



bool UnmapCmdHandler(int, char** argv) {

    android::base::InitLogging(argv, &android::base::StderrLogger);

    android::base::InitLogging(argv, TeeLogger(LogdLogger(), &StderrLogger));

    return SnapshotManager::New()->UnmapAllSnapshots();

}



bool MergeCmdHandler(int /*argc*/, char** argv) {

    android::base::InitLogging(argv, &android::base::StderrLogger);

    android::base::InitLogging(argv, TeeLogger(LogdLogger(), &StderrLogger));

    LOG(WARNING) << "Deprecated. Call update_engine_client --merge instead.";

    return false;

}

rootdir/init.rc

+13 −0
Original line number Diff line number Diff line
@@ -1361,3 +1361,16 @@ on property:persist.device_config.mglru_native.lru_gen_config=core_and_nonleaf_y 
  write /sys/kernel/mm/lru_gen/enabled 5

on property:persist.device_config.mglru_native.lru_gen_config=all

  write /sys/kernel/mm/lru_gen/enabled 7



# Allow other processes to run `snapshotctl` through `init`. This requires

# `set_prop` permission on `snapshotctl_prop`.

on property:sys.snapshotctl.map=requested

    # "root" is needed to talk to gsid and pass its check on uid.

    # "system" is needed to write to "/dev/socket/snapuserd" to talk to

    # snapuserd.

    exec - root root system -- /system/bin/snapshotctl map

    setprop sys.snapshotctl.map "finished"



on property:sys.snapshotctl.unmap=requested

    exec - root root system -- /system/bin/snapshotctl unmap

    setprop sys.snapshotctl.unmap "finished"