| 1335 | |
| 1336 | |
| 1337 | NTSTATUS |
| 1338 | Ext2Write (IN PEXT2_IRP_CONTEXT IrpContext) |
| 1339 | { |
| 1340 | NTSTATUS Status; |
| 1341 | PEXT2_FCBVCB FcbOrVcb; |
| 1342 | PDEVICE_OBJECT DeviceObject; |
| 1343 | PFILE_OBJECT FileObject; |
| 1344 | PEXT2_VCB Vcb; |
| 1345 | BOOLEAN bCompleteRequest = TRUE; |
| 1346 | |
| 1347 | ASSERT(IrpContext); |
| 1348 | |
| 1349 | ASSERT((IrpContext->Identifier.Type == EXT2ICX) && |
| 1350 | (IrpContext->Identifier.Size == sizeof(EXT2_IRP_CONTEXT))); |
| 1351 | |
| 1352 | __try { |
| 1353 | |
| 1354 | if (IsFlagOn(IrpContext->MinorFunction, IRP_MN_COMPLETE)) { |
| 1355 | |
| 1356 | Status = Ext2WriteComplete(IrpContext); |
| 1357 | bCompleteRequest = FALSE; |
| 1358 | |
| 1359 | } else { |
| 1360 | |
| 1361 | DeviceObject = IrpContext->DeviceObject; |
| 1362 | if (IsExt2FsDevice(DeviceObject)) { |
| 1363 | Status = STATUS_INVALID_DEVICE_REQUEST; |
| 1364 | __leave; |
| 1365 | } |
| 1366 | FileObject = IrpContext->FileObject; |
| 1367 | |
| 1368 | Vcb = (PEXT2_VCB) DeviceObject->DeviceExtension; |
| 1369 | |
| 1370 | if (Vcb->Identifier.Type != EXT2VCB || |
| 1371 | Vcb->Identifier.Size != sizeof(EXT2_VCB) ) { |
| 1372 | Status = STATUS_INVALID_PARAMETER; |
| 1373 | __leave; |
| 1374 | } |
| 1375 | |
| 1376 | if (IsVcbReadOnly(Vcb)) { |
| 1377 | Status = STATUS_MEDIA_WRITE_PROTECTED; |
| 1378 | __leave; |
| 1379 | } |
| 1380 | |
| 1381 | if (FlagOn(Vcb->Flags, VCB_VOLUME_LOCKED) && |
| 1382 | Vcb->LockFile != FileObject ) { |
| 1383 | Status = STATUS_ACCESS_DENIED; |
| 1384 | __leave; |
| 1385 | } |
| 1386 | |
| 1387 | FcbOrVcb = (PEXT2_FCBVCB) FileObject->FsContext; |
| 1388 | |
| 1389 | if (FcbOrVcb->Identifier.Type == EXT2VCB) { |
| 1390 | |
| 1391 | Status = Ext2WriteVolume(IrpContext); |
| 1392 | if (!NT_SUCCESS(Status)) { |
| 1393 | DbgBreak(); |
| 1394 | } |
no test coverage detected