+static
+NTSTATUS
+NtfsOpenFileById(PDEVICE_EXTENSION DeviceExt,
+ PFILE_OBJECT FileObject,
+ ULONGLONG MftId,
+ PNTFS_FCB * FoundFCB)
+{
+ NTSTATUS Status;
+ PNTFS_FCB FCB;
+ PFILE_RECORD_HEADER MftRecord;
+
+ DPRINT1("NtfsOpenFileById(%p, %p, %I64x, %p)\n", DeviceExt, FileObject, MftId, FoundFCB);
+
+ ASSERT(MftId < 0x10);
+ if (MftId > 0xb) /* No entries are used yet beyond this */
+ {
+ return STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ MftRecord = ExAllocatePoolWithTag(NonPagedPool,
+ DeviceExt->NtfsInfo.BytesPerFileRecord,
+ TAG_NTFS);
+ if (MftRecord == NULL)
+ {
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ Status = ReadFileRecord(DeviceExt, MftId, MftRecord);
+ if (!NT_SUCCESS(Status))
+ {
+ ExFreePoolWithTag(MftRecord, TAG_NTFS);
+ return Status;
+ }
+
+ if (!(MftRecord->Flags & FRH_IN_USE))
+ {
+ ExFreePoolWithTag(MftRecord, TAG_NTFS);
+ return STATUS_OBJECT_PATH_NOT_FOUND;
+ }
+
+ FCB = NtfsGrabFCBFromTable(DeviceExt, MftIdToName[MftId]);
+ if (FCB == NULL)
+ {
+ UNICODE_STRING Name;
+
+ RtlInitUnicodeString(&Name, MftIdToName[MftId]);
+ Status = NtfsMakeFCBFromDirEntry(DeviceExt, NULL, &Name, MftRecord, MftId, &FCB);
+ if (!NT_SUCCESS(Status))
+ {
+ ExFreePoolWithTag(MftRecord, TAG_NTFS);
+ return Status;
+ }
+ }
+
+ ASSERT(FCB != NULL);
+
+ ExFreePoolWithTag(MftRecord, TAG_NTFS);
+
+ Status = NtfsAttachFCBToFileObject(DeviceExt,
+ FCB,
+ FileObject);
+ *FoundFCB = FCB;
+
+ return Status;
+}
+