zFILEMAP_PHYSICAL

Contains a map of the physical blocks that are being used, including what physical devices the blocks are on.

Service:File System Services (64-Bit)

Defined In:zPublics.h

Syntax

typedef struct zPhysicalExtent_s
{
   QUAD    length;
   QUAD    logicalOffset;
   QUAD    poolOffset;
   struct
   {
       QUAD    offset; 
       LONG    deviceID;
       LONG    padding;
   } physical;
} zPhysicalExtent_s;

Fields

length: Specifies the length of the physical extent in bytes.
logicalOffset: Specifies the logical offset in the file in bytes.
poolOffset: Specifies the logical offset in the pool in bytes.
physical.offset: Specifies the physical offset in bytes, relative to the device identified by deviceID.
physical.deviceID: Specifies the device ID used by the Media Manager to identify the physical device where the extent resides.