PrlDisk_EstimateCompactByBitmap Function

Estimate compacts for a virtual disk with free blocks map.

Syntax

PRL_RESULT PrlDisk_EstimateCompactByBitmap(
    const PRL_HANDLE Handle, 
    const PRL_UINT8_PTR pBitmap, 
    const PRL_UINT32 uBlockSize, 
    const PRL_UINT32_PTR puBlockCount, 
    const PRL_DISK_CALLBACK pDiskCallback, 
    PRL_VOID_PTR pParameter
);

File

PrlDisk.h

Parameters

Handle

A handle of type PHT_VIRTUAL_DISK identifying the virtual disk.

pBitmap

A pointer to a bit array of used blocks.

uBlockSize

Sectors per bit, i.e. block size.

pParameter

A pointer to a buffer containing user-defined data to pass to the callback function.

uBlockCount

Estimated blocks count that will be reclaimed.

pCallback

A pointer to a callback function or NULL pointer. If the parameter contains a pointer to a callback, the function will be called asynchronously. If it contains NULL pointer, the function will be called synchronously.

Returns

PRL_RESULT . Possible values:

PRL_ERR_INVALID_ARG - invalid argument values.

PRL_ERR_SUCCESS - function completed successfully.

Links

PHT_VIRTUAL_DISK