1 /* 2 * ReactOS kernel 3 * Copyright (C) 2008 ReactOS Team 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. 18 * 19 * COPYRIGHT: See COPYING in the top level directory 20 * PROJECT: ReactOS kernel 21 * FILE: drivers/filesystem/ntfs/dispatch.c 22 * PURPOSE: NTFS filesystem driver 23 * PROGRAMMER: Pierre Schweitzer 24 * UPDATE HISTORY: 25 */ 26 27 /* INCLUDES *****************************************************************/ 28 29 #include "ntfs.h" 30 31 #define NDEBUG 32 #include <debug.h> 33 34 /* GLOBALS *****************************************************************/ 35 36 37 /* FUNCTIONS ****************************************************************/ 38 39 /* 40 * FUNCTION: This function manages IRP for various major functions 41 * ARGUMENTS: 42 * DriverObject = object describing this driver 43 * Irp = IRP to be passed to internal functions 44 * RETURNS: Status of I/O Request 45 */ 46 NTSTATUS 47 NTAPI 48 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject, 49 PIRP Irp) 50 { 51 PNTFS_IRP_CONTEXT IrpContext = NULL; 52 NTSTATUS Status = STATUS_UNSUCCESSFUL; 53 54 TRACE_(NTFS, "NtfsFsdDispatch()\n"); 55 56 FsRtlEnterFileSystem(); 57 ASSERT(DeviceObject); 58 ASSERT(Irp); 59 60 NtfsIsIrpTopLevel(Irp); 61 62 IrpContext = NtfsAllocateIrpContext(DeviceObject, Irp); 63 if (IrpContext) 64 { 65 switch (IrpContext->MajorFunction) 66 { 67 case IRP_MJ_QUERY_VOLUME_INFORMATION: 68 Status = NtfsQueryVolumeInformation(IrpContext); 69 break; 70 71 case IRP_MJ_SET_VOLUME_INFORMATION: 72 Status = NtfsSetVolumeInformation(IrpContext); 73 break; 74 } 75 } 76 else 77 Status = STATUS_INSUFFICIENT_RESOURCES; 78 79 Irp->IoStatus.Status = Status; 80 IoCompleteRequest(Irp, IO_NO_INCREMENT); 81 82 if (IrpContext) 83 ExFreePoolWithTag(IrpContext, 'PRIN'); 84 85 IoSetTopLevelIrp(NULL); 86 FsRtlExitFileSystem(); 87 88 return Status; 89 } 90