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vm: disable sparse files on win7

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This commit is contained in:
Nekotekina 2021-05-18 13:31:46 +03:00
parent 7398200980
commit 6e497ae372
1 changed files with 21 additions and 2 deletions
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23
rpcs3/util/vm_native.cpp
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@ -332,16 +332,35 @@ namespace utils
#ifdef _WIN32
fs::file f;
auto set_sparse = [](HANDLE h) -> bool
{
// Get version
const DWORD version_major = *reinterpret_cast<const DWORD*>(__readgsqword(0x60) + 0x118);
// Disable sparse files on Windows 7 or lower
if (version_major <= 7)
{
return true;
}
if (DeviceIoControl(h, FSCTL_SET_SPARSE, nullptr, 0, nullptr, 0, nullptr, nullptr))
{
return true;
}
return false;
};
if (!storage.empty())
{
ensure(f.open(storage, fs::read + fs::write + fs::create));
}
else if (!f.open(fs::get_temp_dir() + "rpcs3_vm", fs::read + fs::write + fs::create) || !DeviceIoControl(f.get_handle(), FSCTL_SET_SPARSE, nullptr, 0, nullptr, 0, nullptr, nullptr))
else if (!f.open(fs::get_temp_dir() + "rpcs3_vm", fs::read + fs::write + fs::create) || !set_sparse(f.get_handle()))
{
ensure(f.open(fs::get_cache_dir() + "rpcs3_vm", fs::read + fs::write + fs::create));
}
if (!DeviceIoControl(f.get_handle(), FSCTL_SET_SPARSE, nullptr, 0, nullptr, 0, nullptr, nullptr))
if (!set_sparse(f.get_handle()))
{
MessageBoxW(0, L"Failed to initialize sparse file.", L"RPCS3", MB_ICONERROR);
}