b91b85b644b973d28f478ea57afcd4e723a2bace
[reactos.git] / reactos / drivers / filesystems / fastfat / close.c
1 /*
2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS kernel
4 * FILE: drivers/filesystems/fastfat/close.c
5 * PURPOSE: VFAT Filesystem
6 * PROGRAMMER: Jason Filby (jasonfilby@yahoo.com)
7 */
8
9 /* INCLUDES *****************************************************************/
10
11 #include "vfat.h"
12
13 #define NDEBUG
14 #include <debug.h>
15
16 /* FUNCTIONS ****************************************************************/
17
18 /*
19 * FUNCTION: Closes a file
20 */
21 NTSTATUS
22 VfatCloseFile(
23 PDEVICE_EXTENSION DeviceExt,
24 PFILE_OBJECT FileObject)
25 {
26 PVFATFCB pFcb;
27 PVFATCCB pCcb;
28 NTSTATUS Status = STATUS_SUCCESS;
29
30 DPRINT("VfatCloseFile(DeviceExt %p, FileObject %p)\n",
31 DeviceExt, FileObject);
32
33 /* FIXME : update entry in directory? */
34 pCcb = (PVFATCCB) (FileObject->FsContext2);
35 pFcb = (PVFATFCB) (FileObject->FsContext);
36
37 if (pFcb == NULL)
38 {
39 return STATUS_SUCCESS;
40 }
41
42 if (pFcb->Flags & FCB_IS_VOLUME)
43 {
44 DPRINT("Volume\n");
45 FileObject->FsContext2 = NULL;
46 }
47 else
48 {
49 if (FileObject->DeletePending)
50 {
51 if (pFcb->Flags & FCB_DELETE_PENDING)
52 {
53 VfatDelEntry(DeviceExt, pFcb, NULL);
54
55 FsRtlNotifyFullReportChange(DeviceExt->NotifySync,
56 &(DeviceExt->NotifyList),
57 (PSTRING)&pFcb->PathNameU,
58 pFcb->PathNameU.Length - pFcb->LongNameU.Length,
59 NULL,
60 NULL,
61 ((*pFcb->Attributes & FILE_ATTRIBUTE_DIRECTORY) ?
62 FILE_NOTIFY_CHANGE_DIR_NAME : FILE_NOTIFY_CHANGE_FILE_NAME),
63 FILE_ACTION_REMOVED,
64 NULL);
65 }
66 else
67 {
68 Status = STATUS_DELETE_PENDING;
69 }
70 }
71
72 vfatReleaseFCB(DeviceExt, pFcb);
73 }
74
75 FileObject->FsContext2 = NULL;
76 FileObject->FsContext = NULL;
77 FileObject->SectionObjectPointer = NULL;
78
79 if (pCcb)
80 {
81 vfatDestroyCCB(pCcb);
82 }
83
84 return Status;
85 }
86
87 /*
88 * FUNCTION: Closes a file
89 */
90 NTSTATUS
91 VfatClose(
92 PVFAT_IRP_CONTEXT IrpContext)
93 {
94 NTSTATUS Status;
95
96 DPRINT("VfatClose(DeviceObject %p, Irp %p)\n", IrpContext->DeviceObject, IrpContext->Irp);
97
98 if (IrpContext->DeviceObject == VfatGlobalData->DeviceObject)
99 {
100 DPRINT("Closing file system\n");
101 Status = STATUS_SUCCESS;
102 goto ByeBye;
103 }
104 #if 0
105 /* There occurs a dead look at the call to CcRosDeleteFileCache/ObDereferenceObject/VfatClose
106 in CmLazyCloseThreadMain if VfatClose is execute asynchronous in a worker thread. */
107 if (!ExAcquireResourceExclusiveLite(&IrpContext->DeviceExt->DirResource, IrpContext->Flags & IRPCONTEXT_CANWAIT))
108 #else
109 if (!ExAcquireResourceExclusiveLite(&IrpContext->DeviceExt->DirResource, TRUE))
110 #endif
111 {
112 return VfatQueueRequest(IrpContext);
113 }
114
115 Status = VfatCloseFile(IrpContext->DeviceExt, IrpContext->FileObject);
116 ExReleaseResourceLite(&IrpContext->DeviceExt->DirResource);
117
118 ByeBye:
119 IrpContext->Irp->IoStatus.Status = Status;
120 IrpContext->Irp->IoStatus.Information = 0;
121 IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
122 VfatFreeIrpContext(IrpContext);
123
124 return Status;
125 }
126
127 /* EOF */