3 * Copyright (C) 2008 ReactOS Team
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.
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.
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.
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
27 /* INCLUDES *****************************************************************/
34 /* FUNCTIONS ****************************************************************/
37 * FUNCTION: This function manages IRP for various major functions
39 * DriverObject = object describing this driver
40 * Irp = IRP to be passed to internal functions
41 * RETURNS: Status of I/O Request
45 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject
,
48 PNTFS_IRP_CONTEXT IrpContext
= NULL
;
49 NTSTATUS Status
= STATUS_UNSUCCESSFUL
;
51 TRACE_(NTFS
, "NtfsFsdDispatch()\n");
53 FsRtlEnterFileSystem();
57 NtfsIsIrpTopLevel(Irp
);
59 IrpContext
= NtfsAllocateIrpContext(DeviceObject
, Irp
);
62 switch (IrpContext
->MajorFunction
)
64 case IRP_MJ_QUERY_VOLUME_INFORMATION
:
65 Status
= NtfsQueryVolumeInformation(IrpContext
);
68 case IRP_MJ_SET_VOLUME_INFORMATION
:
69 Status
= NtfsSetVolumeInformation(IrpContext
);
74 Status
= STATUS_INSUFFICIENT_RESOURCES
;
76 Irp
->IoStatus
.Status
= Status
;
77 IoCompleteRequest(Irp
, IO_NO_INCREMENT
);
80 ExFreePoolWithTag(IrpContext
, 'PRIN');
82 IoSetTopLevelIrp(NULL
);
83 FsRtlExitFileSystem();