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[NTFS]

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Implement the downward fashion of FSCTL_GET_NTFS_FILE_RECORD and always return a file record which is in use
CORE-8725

svn path=/trunk/; revision=65601
This commit is contained in:
Pierre Schweitzer
2014-12-10 20:45:04 +00:00
parent 7427f826d0
commit 5e1a81a596
1 changed files with 16 additions and 7 deletions
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reactos/drivers/filesystems/ntfs/fsctl.c
+16 -7
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@@ -626,14 +626,23 @@ GetNtfsFileRecord(PDEVICE_EXTENSION DeviceExt,
InputBuffer = (PNTFS_FILE_RECORD_INPUT_BUFFER)Irp->AssociatedIrp.SystemBuffer;
MFTRecord = InputBuffer->FileReferenceNumber.QuadPart;
Status = ReadFileRecord(DeviceExt, MFTRecord, FileRecord);
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed reading record: %I64x\n", MFTRecord);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
return Status;
}
DPRINT1("Requesting: %I64x\n", MFTRecord);
do
{
Status = ReadFileRecord(DeviceExt, MFTRecord, FileRecord);
if (NT_SUCCESS(Status))
{
if (FileRecord->Flags & FRH_IN_USE)
{
break;
}
}
--MFTRecord;
} while (TRUE);
DPRINT1("Returning: %I64x\n", MFTRecord);
OutputBuffer = (PNTFS_FILE_RECORD_OUTPUT_BUFFER)Irp->AssociatedIrp.SystemBuffer;
OutputBuffer->FileReferenceNumber.QuadPart = MFTRecord;
OutputBuffer->FileRecordLength = DeviceExt->NtfsInfo.BytesPerFileRecord;