Merge "libsnapshot: GetSnapshotExtraDeviceName" (5d0acc75) · Commits · e / os / android_system_core

fs_mgr/libsnapshot/snapshot.cpp

+6 −2

Original line number	Diff line number	Diff line
		@@ -106,6 +106,10 @@ static std::string GetBaseDeviceName(const std::string& partition_name) {
		return partition_name + "-base";
		}

		static std::string GetSnapshotExtraDeviceName(const std::string& snapshot_name) {
		return snapshot_name + "-inner";
		}

		bool SnapshotManager::BeginUpdate() {
		auto file = LockExclusive();
		if (!file) return false;
		@@ -301,7 +305,7 @@ bool SnapshotManager::MapSnapshot(LockedFile* lock, const std::string& name,
		// and a linear target in the same table. Instead, we stack them, and give the
		// snapshot device a different name. It is not exposed to the caller in this
		// case.
		auto snap_name = (linear_sectors > 0) ? name + "-inner" : name;
		auto snap_name = (linear_sectors > 0) ? GetSnapshotExtraDeviceName(name) : name;

		DmTable table;
		table.Emplace<DmTargetSnapshot>(0, snapshot_sectors, base_device, cow_dev, mode,
		@@ -1402,7 +1406,7 @@ bool SnapshotManager::Truncate(LockedFile* file) {
		std::string SnapshotManager::GetSnapshotDeviceName(const std::string& snapshot_name,
		const SnapshotStatus& status) {
		if (status.device_size != status.snapshot_size) {
		return snapshot_name + "-inner";
		return GetSnapshotExtraDeviceName(snapshot_name);
		}
		return snapshot_name;
		}