FsRtlFastUnlockAllByKey - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// ntifs.h

NTSTATUS FsRtlFastUnlockAllByKey(
  [in]           PFILE_LOCK   FileLock,
  [in]           PFILE_OBJECT FileObject,
  [in]           PEPROCESS    ProcessId,
  [in]           ULONG        Key,
  [in, optional] PVOID        Context
);

View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-ntifs-_fsrtl_advanced_fcb_header-fsrtlfastunlockallbykey)

FsRtlFastUnlockAllByKey function

Description

The FsRtlFastUnlockAllByKey routine releases all byte-range locks that were acquired by the specified process, with the specified key value, for a file.

Parameters

FileLock [in]

A pointer to the FILE_LOCK structure for the file. This structure must have been initialized by a previous call to FsRtlAllocateFileLock or FsRtlInitializeFileLock.

FileObject [in]

A pointer to the file object for the file.

ProcessId [in]

A pointer to the process ID for the process.

Key [in]

The key value.

Context [in, optional]

Optional context pointer to be used when completing IRPs.

Return value

FsRtlFastUnlockAllByKey returns STATUS_SUCCESS or an error status code such as STATUS_RANGE_NOT_LOCKED.

Remarks

After releasing the byte-range locks, FsRtlFastUnlockAllByKey completes any currently queued lock IRPs that can now be completed.

See also

FsRtlAllocateFileLock

FsRtlInitializeFileLock

View the official Windows Driver Kit DDI reference

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