DEVICE_DSM_ROUND_DN macro (ntddstor.h)

The DEVICE_DSM_ROUND_DN macro is a DSM helper routine that rounds a byte quantity down to a given number of whole bytes.

Syntax

void DEVICE_DSM_ROUND_DN(
   _a,
   _b
);

Parameters

_a

The original number of bytes to round down.

_b

The target whole number of bytes down to round _a to.

Return value

None

Requirements

Requirement	Value
Header	ntddstor.h