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Commit d2a8418a authored by Yifan Hong's avatar Yifan Hong Committed by Gerrit Code Review
Browse files

Merge "Handle zero snapshot size appropriately."

parents b827d1db 83c690c7

fs_mgr/libsnapshot/partition_cow_creator.cpp

+7 −0
Original line number Diff line number Diff line
@@ -181,6 +181,13 @@ std::optional<PartitionCowCreator::Return> PartitionCowCreator::Run() { 
    ret.snapshot_status.set_device_size(target_partition->size());

    ret.snapshot_status.set_snapshot_size(target_partition->size());



    if (ret.snapshot_status.snapshot_size() == 0) {

        LOG(INFO) << "Not creating snapshot for partition " << ret.snapshot_status.name();

        ret.snapshot_status.set_cow_partition_size(0);

        ret.snapshot_status.set_cow_file_size(0);

        return ret;

    }



    // Being the COW partition virtual, its size doesn't affect the storage

    // memory that will be occupied by the target.

    // The actual storage space is affected by the COW file, whose size depends