| 22 | #endif |
| 23 | |
| 24 | NTSTATUS |
| 25 | Ext2LockControl (IN PEXT2_IRP_CONTEXT IrpContext) |
| 26 | { |
| 27 | PDEVICE_OBJECT DeviceObject = NULL; |
| 28 | PFILE_OBJECT FileObject = NULL; |
| 29 | PEXT2_FCB Fcb = NULL; |
| 30 | PIRP Irp = NULL; |
| 31 | |
| 32 | NTSTATUS Status = STATUS_UNSUCCESSFUL; |
| 33 | BOOLEAN CompleteContext = TRUE; |
| 34 | BOOLEAN CompleteIrp = TRUE; |
| 35 | BOOLEAN bFcbAcquired = FALSE; |
| 36 | |
| 37 | __try { |
| 38 | |
| 39 | ASSERT(IrpContext != NULL); |
| 40 | |
| 41 | ASSERT((IrpContext->Identifier.Type == EXT2ICX) && |
| 42 | (IrpContext->Identifier.Size == sizeof(EXT2_IRP_CONTEXT))); |
| 43 | |
| 44 | DeviceObject = IrpContext->DeviceObject; |
| 45 | |
| 46 | if (IsExt2FsDevice(DeviceObject)) { |
| 47 | Status = STATUS_INVALID_DEVICE_REQUEST; |
| 48 | __leave; |
| 49 | } |
| 50 | |
| 51 | FileObject = IrpContext->FileObject; |
| 52 | |
| 53 | Fcb = (PEXT2_FCB) FileObject->FsContext; |
| 54 | ASSERT(Fcb != NULL); |
| 55 | if (Fcb->Identifier.Type == EXT2VCB) { |
| 56 | Status = STATUS_INVALID_PARAMETER; |
| 57 | __leave; |
| 58 | } |
| 59 | |
| 60 | ASSERT((Fcb->Identifier.Type == EXT2FCB) && |
| 61 | (Fcb->Identifier.Size == sizeof(EXT2_FCB))); |
| 62 | |
| 63 | if (FlagOn(Fcb->Mcb->FileAttr, FILE_ATTRIBUTE_DIRECTORY)) { |
| 64 | Status = STATUS_INVALID_PARAMETER; |
| 65 | __leave; |
| 66 | } |
| 67 | |
| 68 | ExAcquireResourceSharedLite(&Fcb->MainResource, TRUE); |
| 69 | bFcbAcquired = TRUE; |
| 70 | |
| 71 | Irp = IrpContext->Irp; |
| 72 | |
| 73 | CompleteIrp = FALSE; |
| 74 | |
| 75 | Status = FsRtlCheckOplock( &Fcb->Oplock, |
| 76 | Irp, |
| 77 | IrpContext, |
| 78 | Ext2OplockComplete, |
| 79 | NULL ); |
| 80 | |
| 81 | if (Status != STATUS_SUCCESS) { |
no test coverage detected