gEfiMdeModulePkgTokenSpaceGuid.PcdDiskIoDataBufferBlockNum

Disk I/O - Number of Data Buffer block.
Define the size in block of the pre-allocated buffer. It provide better
performance for large Disk I/O requests.
Disk I/O - Number of Data Buffer block.

PCD Information

Name	Token Space	Token number	Data Type	Default Value
PcdDiskIoDataBufferBlockNum	gEfiMdeModulePkgTokenSpaceGuid	0x30001039	UINT32	64