- Update to r53061
[reactos.git] / drivers / filesystems / ntfs / dispatch.c
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 NTAPI
47 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject,
48 PIRP Irp)
49 {
50 PNTFS_IRP_CONTEXT IrpContext = NULL;
51 NTSTATUS Status = STATUS_UNSUCCESSFUL;
52
53 TRACE_(NTFS, "NtfsFsdDispatch()\n");
54
55 FsRtlEnterFileSystem();
56 ASSERT(DeviceObject);
57 ASSERT(Irp);
58
59 NtfsIsIrpTopLevel(Irp);
60
61 IrpContext = NtfsAllocateIrpContext(DeviceObject, Irp);
62 if (IrpContext)
63 {
64 switch (IrpContext->MajorFunction)
65 {
66 case IRP_MJ_QUERY_VOLUME_INFORMATION:
67 {
68 Status = NtfsQueryVolumeInformation(IrpContext);
69 break;
70 }
71 case IRP_MJ_SET_VOLUME_INFORMATION:
72 {
73 Status = NtfsSetVolumeInformation(IrpContext);
74 break;
75 }
76 }
77 }
78 else
79 Status = STATUS_INSUFFICIENT_RESOURCES;
80
81 Irp->IoStatus.Status = Status;
82 IoCompleteRequest(Irp, IO_NO_INCREMENT);
83
84 if (IrpContext)
85 ExFreePoolWithTag(IrpContext, 'PRIN');
86
87 IoSetTopLevelIrp(NULL);
88 FsRtlExitFileSystem();
89 return Status;
90 }