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sys_fs: Optimize concurrent file reads

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Eladash 2023-10-02 18:23:21 +03:00 • committed by Elad Ashkenazi
parent f07e17f6aa
commit 4b827a8d9c
3 changed files with 36 additions and 14 deletions
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6
rpcs3/Emu/Cell/Modules/cellSaveData.cpp
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@ -1854,8 +1854,9 @@ static NEVER_INLINE error_code savedata_op(ppu_thread& ppu, u32 operation, u32 v
}
const auto file = std::as_const(all_files).find(file_path);
const u64 pos = fileSet->fileOffset;
if (file == all_files.cend() || file->second.size() <= fileSet->fileOffset)
if (file == all_files.cend() || file->second.size() <= pos)
{
cellSaveData.error("Failed to open file %s%s (size=%d, fileOffset=%d)", dir_path, file_path, file == all_files.cend() ? -1 : file->second.size(), fileSet->fileOffset);
savedata_result = CELL_SAVEDATA_ERROR_FAILURE;
@ -1863,8 +1864,7 @@ static NEVER_INLINE error_code savedata_op(ppu_thread& ppu, u32 operation, u32 v
}
// Read from memory file to vm
file->second.seek(fileSet->fileOffset);
const u64 rr = lv2_file::op_read(file->second, fileSet->fileBuf, fileSet->fileSize);
const u64 rr = lv2_file::op_read(file->second, fileSet->fileBuf, fileSet->fileSize, pos);
fileGet->excSize = ::narrow<u32>(rr);
break;
}