/*
* ReactOS kernel
- * Copyright (C) 2008 ReactOS Team
+ * Copyright (C) 2008, 2014 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
PIRP Irp)
{
PNTFS_IRP_CONTEXT IrpContext;
- PIO_STACK_LOCATION IoStackLocation;
TRACE_(NTFS, "NtfsAllocateIrpContext()\n");
- IrpContext = (PNTFS_IRP_CONTEXT)ExAllocatePoolWithTag(NonPagedPool,
- sizeof(NTFS_IRP_CONTEXT),
- 'PRIN');
+ IrpContext = (PNTFS_IRP_CONTEXT)ExAllocateFromNPagedLookasideList(&NtfsGlobalData->IrpContextLookasideList);
if (IrpContext == NULL)
return NULL;
RtlZeroMemory(IrpContext, sizeof(NTFS_IRP_CONTEXT));
- IrpContext->Identifier.Type = NTFS_TYPE_IRP_CONTEST;
+ IrpContext->Identifier.Type = NTFS_TYPE_IRP_CONTEXT;
IrpContext->Identifier.Size = sizeof(NTFS_IRP_CONTEXT);
IrpContext->Irp = Irp;
IrpContext->DeviceObject = DeviceObject;
-
- if (Irp)
+ IrpContext->Stack = IoGetCurrentIrpStackLocation(Irp);
+ IrpContext->MajorFunction = IrpContext->Stack->MajorFunction;
+ IrpContext->MinorFunction = IrpContext->Stack->MinorFunction;
+ IrpContext->FileObject = IrpContext->Stack->FileObject;
+ IrpContext->IsTopLevel = (IoGetTopLevelIrp() == Irp);
+ IrpContext->PriorityBoost = IO_NO_INCREMENT;
+ IrpContext->Flags = IRPCONTEXT_COMPLETE;
+
+ if (IrpContext->MajorFunction == IRP_MJ_FILE_SYSTEM_CONTROL ||
+ IrpContext->MajorFunction == IRP_MJ_DEVICE_CONTROL ||
+ IrpContext->MajorFunction == IRP_MJ_SHUTDOWN ||
+ (IrpContext->MajorFunction != IRP_MJ_CLEANUP &&
+ IrpContext->MajorFunction != IRP_MJ_CLOSE &&
+ IoIsOperationSynchronous(Irp)))
{
- IoStackLocation = IoGetCurrentIrpStackLocation(Irp);
- ASSERT(IoStackLocation);
-
- IrpContext->MajorFunction = IoStackLocation->MajorFunction;
- IrpContext->MinorFunction = IoStackLocation->MinorFunction;
- IrpContext->IsTopLevel = (IoGetTopLevelIrp() == Irp);
+ IrpContext->Flags |= IRPCONTEXT_CANWAIT;
}
return IrpContext;
}
+VOID
+NtfsFileFlagsToAttributes(ULONG NtfsAttributes,
+ PULONG FileAttributes)
+{
+ *FileAttributes = NtfsAttributes;
+ if ((NtfsAttributes & NTFS_FILE_TYPE_DIRECTORY) == NTFS_FILE_TYPE_DIRECTORY)
+ {
+ *FileAttributes = NtfsAttributes & ~NTFS_FILE_TYPE_DIRECTORY;
+ *FileAttributes |= FILE_ATTRIBUTE_DIRECTORY;
+ }
+
+ if (NtfsAttributes == 0)
+ *FileAttributes = FILE_ATTRIBUTE_NORMAL;
+}
+
+PVOID
+NtfsGetUserBuffer(PIRP Irp,
+ BOOLEAN Paging)
+{
+ if (Irp->MdlAddress != NULL)
+ {
+ return MmGetSystemAddressForMdlSafe(Irp->MdlAddress, (Paging ? HighPagePriority : NormalPagePriority));
+ }
+ else
+ {
+ return Irp->UserBuffer;
+ }
+}
+
/* EOF */