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Commit 15f94436 authored by Yi-Yo Chiang's avatar Yi-Yo Chiang
Browse files

fs_mgr_overlayfs: Add scratch size override system property 

Bug: 253207748
Test: Treehugger
Change-Id: I7140044d127e7db99d86decbe818be3680d26995
parent 9b123de8

fs_mgr/fs_mgr_overlayfs.cpp

+6 −1
Original line number Diff line number Diff line
@@ -68,6 +68,8 @@ using android::fiemap::IImageManager; 


namespace {



constexpr char kDataScratchSizeMbProp[] = "fs_mgr.overlayfs.data_scratch_size_mb";



bool fs_mgr_access(const std::string& path) {

    return access(path.c_str(), F_OK) == 0;

}
@@ -1070,7 +1072,10 @@ static bool CreateScratchOnData(std::string* scratch_device, bool* partition_exi 
        return false;

    }

    if (!images->BackingImageExists(partition_name)) {

        uint64_t size = GetIdealDataScratchSize();

        auto size = android::base::GetUintProperty<uint64_t>(kDataScratchSizeMbProp, 0) * 1_MiB;

        if (!size) {

            size = GetIdealDataScratchSize();

        }

        if (!size) {

            size = 2_GiB;

        }