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Improve vfs::host::rename

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This commit is contained in:
Eladash 2023-10-03 12:18:58 +03:00 • committed by Elad Ashkenazi
parent ce3d7f90fd
commit c3f1d39563
3 changed files with 62 additions and 22 deletions
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36
rpcs3/Emu/Cell/Modules/cellGame.cpp
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@ -926,13 +926,47 @@ error_code cellGameContentPermit(ppu_thread& ppu, vm::ptr<char[CELL_GAME_PATH_MA
if (!perm.temp.empty())
{
std::vector<std::shared_ptr<lv2_file>> lv2_files;
const std::string real_dir = vfs::get(dir) + "/";
std::lock_guard lock(g_mp_sys_dev_hdd0.mutex);
// Create PARAM.SFO
fs::pending_file temp(perm.temp + "/PARAM.SFO");
temp.file.write(psf::save_object(perm.sfo));
ensure(temp.commit());
idm::select<lv2_fs_object, lv2_file>([&](u32 id, lv2_file& file)
{
if (file.mp != &g_mp_sys_dev_hdd0)
{
return;
}
if (real_dir.starts_with(file.real_path))
{
if (!file.file)
{
return;
}
if (file.flags & CELL_FS_O_ACCMODE)
{
// Synchronize outside IDM lock scope
lv2_files.emplace_back(ensure(idm::get_unlocked<lv2_fs_object, lv2_file>(id)));
}
}
});
for (auto& file : lv2_files)
{
// For atomicity
file->file.sync();
}
// Make temporary directory persistent (atomically)
if (vfs::host::rename(perm.temp, vfs::get(dir), &g_mp_sys_dev_hdd0, false))
if (vfs::host::rename(perm.temp, real_dir, &g_mp_sys_dev_hdd0, false, false))
{
cellGame.success("cellGameContentPermit(): directory '%s' has been created", dir);