// ntifs.h

BOOLEAN FsRtlRemoveBaseMcbEntry(
  PBASE_MCB Mcb,
  LONGLONG  Vbn,
  LONGLONG  SectorCount
);
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Windows Driver Kit DDI reference (nf-ntifs-_fsrtl_advanced_fcb_header-fsrtlremovebasemcbentry)

FsRtlRemoveBaseMcbEntry function

Description

The FsRtlRemoveBaseMcbEntry function is the work routine for removing a large map control block (MCB) entry. It does so without taking out the mcb GuardedMutex.

Parameters

`Mcb`

Supplies the Mcb from which to remove the mapping.

`Vbn`

Supplies the starting virtual block number (VBN) of the mappings to remove.

`SectorCount`

Supplies the size of the mappings to remove, in sectors.

Return value

This function returns TRUE if the MCB is removed.

FsRtlRemoveBaseMcbEntry - NtDoc