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Module name: Cleanup.cpp
Abstract:
Contains code to handle the "Cleanup" dispatch entry point.
Environment:
Kernel mode only*/
#include "udffs.h"
// define the file specific bug-check id#define UDF_BUG_CHECK_ID UDF_FILE_CLEANUP
/*************************************************************************** Function: UDFCleanup()** Description:* The I/O Manager will invoke this routine to handle a cleanup* request** Expected Interrupt Level (for execution) :** IRQL_PASSIVE_LEVEL (invocation at higher IRQL will cause execution* to be deferred to a worker thread context)** Return Value: STATUS_SUCCESS**************************************************************************/NTSTATUSNTAPIUDFCleanup( PDEVICE_OBJECT DeviceObject, // the logical volume device object PIRP Irp // I/O Request Packet ){ NTSTATUS RC = STATUS_SUCCESS; PtrUDFIrpContext PtrIrpContext = NULL; BOOLEAN AreWeTopLevel = FALSE;
TmPrint(("UDFCleanup\n"));
FsRtlEnterFileSystem(); ASSERT(DeviceObject); ASSERT(Irp);
// If we were called with our file system device object instead of a // volume device object, just complete this request with STATUS_SUCCESS if (UDFIsFSDevObj(DeviceObject)) { // this is a cleanup of the FSD itself Irp->IoStatus.Status = RC; Irp->IoStatus.Information = 0;
if(UDFGlobalData.AutoFormatCount == IoGetCurrentIrpStackLocation(Irp)->FileObject) { UDFPrint(("Deregister Autoformat\n")); UDFGlobalData.AutoFormatCount = NULL; }
IoCompleteRequest(Irp, IO_NO_INCREMENT); FsRtlExitFileSystem(); return(RC); }
// set the top level context AreWeTopLevel = UDFIsIrpTopLevel(Irp);
_SEH2_TRY {
// get an IRP context structure and issue the request PtrIrpContext = UDFAllocateIrpContext(Irp, DeviceObject); if(PtrIrpContext) { RC = UDFCommonCleanup(PtrIrpContext, Irp); } else { RC = STATUS_INSUFFICIENT_RESOURCES; Irp->IoStatus.Status = RC; Irp->IoStatus.Information = 0; // complete the IRP IoCompleteRequest(Irp, IO_DISK_INCREMENT); }
} _SEH2_EXCEPT(UDFExceptionFilter(PtrIrpContext, _SEH2_GetExceptionInformation())) {
RC = UDFExceptionHandler(PtrIrpContext, Irp);
UDFLogEvent(UDF_ERROR_INTERNAL_ERROR, RC); } _SEH2_END;
if (AreWeTopLevel) { IoSetTopLevelIrp(NULL); }
FsRtlExitFileSystem();
return(RC);} // end UDFCleanup()
/*************************************************************************** Function: UDFCommonCleanup()** Description:* The actual work is performed here. This routine may be invoked in one'* of the two possible contexts:* (a) in the context of a system worker thread* (b) in the context of the original caller** Expected Interrupt Level (for execution) :** IRQL_PASSIVE_LEVEL** Return Value: Does not matter!**************************************************************************/NTSTATUSUDFCommonCleanup( PtrUDFIrpContext PtrIrpContext, PIRP Irp){ IO_STATUS_BLOCK IoStatus; NTSTATUS RC = STATUS_SUCCESS; NTSTATUS RC2; PIO_STACK_LOCATION IrpSp = NULL; PFILE_OBJECT FileObject = NULL; PtrUDFFCB Fcb = NULL; PtrUDFCCB Ccb = NULL; PVCB Vcb = NULL; PtrUDFNTRequiredFCB NtReqFcb = NULL; ULONG lc = 0; BOOLEAN AcquiredVcb = FALSE; BOOLEAN AcquiredFCB = FALSE; BOOLEAN AcquiredParentFCB = FALSE;
// BOOLEAN CompleteIrp = TRUE;// BOOLEAN PostRequest = FALSE; BOOLEAN ChangeTime = FALSE;#ifdef UDF_DBG BOOLEAN CanWait = FALSE;#endif // UDF_DBG BOOLEAN ForcedCleanUp = FALSE;
PUDF_FILE_INFO NextFileInfo = NULL;#ifdef UDF_DBG UNICODE_STRING CurName; PDIR_INDEX_HDR DirNdx;#endif // UDF_DBG// PUDF_DATALOC_INFO Dloc;
TmPrint(("UDFCommonCleanup\n"));
// BrutePoint();
_SEH2_TRY { // First, get a pointer to the current I/O stack location IrpSp = IoGetCurrentIrpStackLocation(Irp); if(!IrpSp) try_return(RC = STATUS_INVALID_PARAMETER);
FileObject = IrpSp->FileObject;
// Get the FCB and CCB pointers Ccb = (PtrUDFCCB)(FileObject->FsContext2); ASSERT(Ccb); Fcb = Ccb->Fcb; ASSERT(Fcb);
Vcb = (PVCB)(PtrIrpContext->TargetDeviceObject->DeviceExtension); ASSERT(Vcb); ASSERT(Vcb->NodeIdentifier.NodeType == UDF_NODE_TYPE_VCB);// Vcb->VCBFlags |= UDF_VCB_SKIP_EJECT_CHECK;#ifdef UDF_DBG CanWait = (PtrIrpContext->IrpContextFlags & UDF_IRP_CONTEXT_CAN_BLOCK) ? TRUE : FALSE; AdPrint((" %s\n", CanWait ? "Wt" : "nw")); ASSERT(CanWait);#endif // UDF_DBG UDFAcquireResourceShared(&(Vcb->VCBResource), TRUE); AcquiredVcb = TRUE; // Steps we shall take at this point are: // (a) Acquire the file (FCB) exclusively // (b) Flush file data to disk // (c) Talk to the FSRTL package (if we use it) about pending oplocks. // (d) Notify the FSRTL package for use with pending notification IRPs // (e) Unlock byte-range locks (if any were acquired by process) // (f) Update time stamp values (e.g. fast-IO had been performed) // (g) Inform the Cache Manager to uninitialize Cache Maps ... // and other similar stuff. // BrutePoint(); NtReqFcb = Fcb->NTRequiredFCB;
if (Fcb->NodeIdentifier.NodeType == UDF_NODE_TYPE_VCB) { AdPrint(("Cleaning up Volume\n")); AdPrint(("UDF: OpenHandleCount: %x\n",Fcb->OpenHandleCount));
UDFInterlockedDecrement((PLONG)&(Fcb->OpenHandleCount)); UDFInterlockedDecrement((PLONG)&(Vcb->VCBHandleCount)); if(FileObject->Flags & FO_CACHE_SUPPORTED) { // we've cached close UDFInterlockedDecrement((PLONG)&(Fcb->CachedOpenHandleCount)); } ASSERT(Fcb->OpenHandleCount <= (Fcb->ReferenceCount-1));
// If this handle had write access, and actually wrote something, // flush the device buffers, and then set the verify bit now // just to be safe (in case there is no dismount). if( FileObject->WriteAccess && (FileObject->Flags & FO_FILE_MODIFIED)) {
Vcb->Vpb->RealDevice->Flags |= DO_VERIFY_VOLUME; } // User may decide to close locked volume without call to unlock proc // So, handle this situation properly & unlock it now... if (FileObject == Vcb->VolumeLockFileObject) { Vcb->VolumeLockFileObject = NULL; Vcb->VolumeLockPID = -1; Vcb->VCBFlags &= ~UDF_VCB_FLAGS_VOLUME_LOCKED; Vcb->Vpb->Flags &= ~VPB_LOCKED; UDFNotifyVolumeEvent(FileObject, FSRTL_VOLUME_UNLOCK); }
MmPrint((" CcUninitializeCacheMap()\n")); CcUninitializeCacheMap(FileObject, NULL, NULL); // reset device if(!(Vcb->VCBFlags & UDF_VCB_FLAGS_VOLUME_MOUNTED) && (Vcb->VCBFlags & UDF_VCB_FLAGS_OUR_DEVICE_DRIVER)) { // this call doesn't modify data buffer // it just requires its presence UDFResetDeviceDriver(Vcb, Vcb->TargetDeviceObject, TRUE); } // We must clean up the share access at this time, since we may not // get a Close call for awhile if the file was mapped through this // File Object. IoRemoveShareAccess( FileObject, &(NtReqFcb->FCBShareAccess) );
try_return(RC = STATUS_SUCCESS); }// BrutePoint();#ifdef UDF_DBG DirNdx = UDFGetDirIndexByFileInfo(Fcb->FileInfo); if(DirNdx) { CurName.Buffer = UDFDirIndex(DirNdx, Fcb->FileInfo->Index)->FName.Buffer; if(CurName.Buffer) { AdPrint(("Cleaning up file: %ws %8.8x\n", CurName.Buffer, FileObject)); } else { AdPrint(("Cleaning up file: ??? \n")); } }#endif //UDF_DBG AdPrint(("UDF: OpenHandleCount: %x\n",Fcb->OpenHandleCount)); // Acquire parent object if(Fcb->FileInfo->ParentFile) { UDF_CHECK_PAGING_IO_RESOURCE(Fcb->FileInfo->ParentFile->Fcb->NTRequiredFCB); UDFAcquireResourceExclusive(&(Fcb->FileInfo->ParentFile->Fcb->NTRequiredFCB->MainResource),TRUE); } else { UDFAcquireResourceShared(&(Vcb->VCBResource),TRUE); } AcquiredParentFCB = TRUE; // Acquire current object UDF_CHECK_PAGING_IO_RESOURCE(NtReqFcb); UDFAcquireResourceExclusive(&(NtReqFcb->MainResource),TRUE); AcquiredFCB = TRUE; // dereference object UDFInterlockedDecrement((PLONG)&(Fcb->OpenHandleCount)); UDFInterlockedDecrement((PLONG)&(Vcb->VCBHandleCount)); if(FileObject->Flags & FO_CACHE_SUPPORTED) { // we've cached close UDFInterlockedDecrement((PLONG)&(Fcb->CachedOpenHandleCount)); } ASSERT(Fcb->OpenHandleCount <= (Fcb->ReferenceCount-1)); // check if Ccb being cleaned up has DeleteOnClose flag set#ifndef UDF_READ_ONLY_BUILD if(Ccb->CCBFlags & UDF_CCB_DELETE_ON_CLOSE) { AdPrint((" DeleteOnClose\n")); // Ok, now we'll become 'delete on close'... ASSERT(!(Fcb->FCBFlags & UDF_FCB_ROOT_DIRECTORY)); Fcb->FCBFlags |= UDF_FCB_DELETE_ON_CLOSE; FileObject->DeletePending = TRUE; // Report this to the dir notify package for a directory. if(Fcb->FCBFlags & UDF_FCB_DIRECTORY) { FsRtlNotifyFullChangeDirectory( Vcb->NotifyIRPMutex, &(Vcb->NextNotifyIRP), (PVOID)Ccb, NULL, FALSE, FALSE, 0, NULL, NULL, NULL ); } }#endif //UDF_READ_ONLY_BUILD
if(!(Fcb->FCBFlags & UDF_FCB_DIRECTORY)) { // Unlock all outstanding file locks. FsRtlFastUnlockAll(&(NtReqFcb->FileLock), FileObject, IoGetRequestorProcess(Irp), NULL); } // get Link count lc = UDFGetFileLinkCount(Fcb->FileInfo);
#ifndef UDF_READ_ONLY_BUILD if( (Fcb->FCBFlags & UDF_FCB_DELETE_ON_CLOSE) && !(Fcb->OpenHandleCount)) { // This can be useful for Streams, those were brutally deleted // (together with parent object) ASSERT(!(Fcb->FCBFlags & UDF_FCB_ROOT_DIRECTORY)); FileObject->DeletePending = TRUE;
// we should mark all streams of the file being deleted // for deletion too, if there are no more Links to // main data stream if((lc <= 1) && !UDFIsSDirDeleted(Fcb->FileInfo->Dloc->SDirInfo)) { RC = UDFMarkStreamsForDeletion(Vcb, Fcb, TRUE); // Delete } // we can release these resources 'cause UDF_FCB_DELETE_ON_CLOSE // flag is already set & the file can't be opened UDF_CHECK_PAGING_IO_RESOURCE(NtReqFcb); UDFReleaseResource(&(NtReqFcb->MainResource)); AcquiredFCB = FALSE; if(Fcb->FileInfo->ParentFile) { UDF_CHECK_PAGING_IO_RESOURCE(Fcb->ParentFcb->NTRequiredFCB); UDFReleaseResource(&(Fcb->ParentFcb->NTRequiredFCB->MainResource)); } else { UDFReleaseResource(&(Vcb->VCBResource)); } AcquiredParentFCB = FALSE; UDFReleaseResource(&(Vcb->VCBResource)); AcquiredVcb = FALSE;
// Make system to issue last Close request // for our Target ... UDFRemoveFromSystemDelayedQueue(Fcb);
#ifdef UDF_DELAYED_CLOSE // remove file from our DelayedClose queue UDFRemoveFromDelayedQueue(Fcb); ASSERT(!Fcb->IrpContextLite);#endif //UDF_DELAYED_CLOSE
UDFAcquireResourceShared(&(Vcb->VCBResource), TRUE); AcquiredVcb = TRUE; if(Fcb->FileInfo->ParentFile) { UDF_CHECK_PAGING_IO_RESOURCE(Fcb->ParentFcb->NTRequiredFCB); UDFAcquireResourceExclusive(&(Fcb->ParentFcb->NTRequiredFCB->MainResource),TRUE); } else { UDFAcquireResourceShared(&(Vcb->VCBResource),TRUE); } AcquiredParentFCB = TRUE; UDF_CHECK_PAGING_IO_RESOURCE(NtReqFcb); UDFAcquireResourceExclusive(&(NtReqFcb->MainResource),TRUE); AcquiredFCB = TRUE;
// we should set file sizes to zero if there are no more // links to this file if(lc <= 1) { // Synchronize here with paging IO UDFAcquireResourceExclusive(&(NtReqFcb->PagingIoResource),TRUE); // set file size to zero (for system cache manager)// NtReqFcb->CommonFCBHeader.ValidDataLength.QuadPart = NtReqFcb->CommonFCBHeader.FileSize.QuadPart = NtReqFcb->CommonFCBHeader.ValidDataLength.QuadPart = 0; CcSetFileSizes(FileObject, (PCC_FILE_SIZES)&(NtReqFcb->CommonFCBHeader.AllocationSize));
UDFReleaseResource(&(NtReqFcb->PagingIoResource)); } }#endif //UDF_READ_ONLY_BUILD
#ifdef UDF_DELAYED_CLOSE if ((Fcb->ReferenceCount == 1) && /*(Fcb->NodeIdentifier.NodeType != UDF_NODE_TYPE_VCB) &&*/ // see above (!(Fcb->FCBFlags & UDF_FCB_DELETE_ON_CLOSE)) ) { Fcb->FCBFlags |= UDF_FCB_DELAY_CLOSE; }#endif //UDF_DELAYED_CLOSE
NextFileInfo = Fcb->FileInfo;
#ifndef UDF_READ_ONLY_BUILD // do we need to delete it now ? if( (Fcb->FCBFlags & UDF_FCB_DELETE_ON_CLOSE) && !(Fcb->OpenHandleCount)) {
// can we do it ? if(Fcb->FCBFlags & UDF_FCB_DIRECTORY) { ASSERT(!(Fcb->FCBFlags & UDF_FCB_ROOT_DIRECTORY)); if(!UDFIsDirEmpty__(NextFileInfo)) { // forget about it Fcb->FCBFlags &= ~UDF_FCB_DELETE_ON_CLOSE; goto DiscardDelete; } } else if (lc <= 1) { // Synchronize here with paging IO BOOLEAN AcquiredPagingIo; AcquiredPagingIo = UDFAcquireResourceExclusiveWithCheck(&(NtReqFcb->PagingIoResource)); // set file size to zero (for UdfInfo package) // we should not do this for directories and linked files UDFResizeFile__(Vcb, NextFileInfo, 0); if(AcquiredPagingIo) { UDFReleaseResource(&(NtReqFcb->PagingIoResource)); } } // mark parent object for deletion if requested if((Fcb->FCBFlags & UDF_FCB_DELETE_PARENT) && Fcb->ParentFcb) { ASSERT(!(Fcb->ParentFcb->FCBFlags & UDF_FCB_ROOT_DIRECTORY)); Fcb->ParentFcb->FCBFlags |= UDF_FCB_DELETE_ON_CLOSE; } // flush file. It is required by UDFUnlinkFile__() RC = UDFFlushFile__(Vcb, NextFileInfo); if(!NT_SUCCESS(RC)) { AdPrint(("Error flushing file !!!\n")); } // try to unlink if((RC = UDFUnlinkFile__(Vcb, NextFileInfo, TRUE)) == STATUS_CANNOT_DELETE) { // If we can't delete file with Streams due to references, // mark SDir & Streams // for Deletion. We shall also set DELETE_PARENT flag to // force Deletion of the current file later... when curently // opened Streams would be cleaned up.
// WARNING! We should keep SDir & Streams if there is a // link to this file if(NextFileInfo->Dloc && NextFileInfo->Dloc->SDirInfo && NextFileInfo->Dloc->SDirInfo->Fcb) {
BrutePoint(); if(!UDFIsSDirDeleted(NextFileInfo->Dloc->SDirInfo)) {// RC = UDFMarkStreamsForDeletion(Vcb, Fcb, TRUE); // Delete//#ifdef UDF_ALLOW_PRETEND_DELETED UDFPretendFileDeleted__(Vcb, Fcb->FileInfo);//#endif //UDF_ALLOW_PRETEND_DELETED } goto NotifyDelete;
} else { // Getting here means that we can't delete file because of // References/PemissionsDenied/Smth.Else, // but not Linked+OpenedStream BrutePoint();// RC = STATUS_SUCCESS; goto DiscardDelete_1; } } else {DiscardDelete_1: // We have got an ugly ERROR, or // file is deleted, so forget about it ASSERT(!(Fcb->FCBFlags & UDF_FCB_ROOT_DIRECTORY)); ForcedCleanUp = TRUE; if(NT_SUCCESS(RC)) Fcb->FCBFlags &= ~UDF_FCB_DELETE_ON_CLOSE; Fcb->FCBFlags |= UDF_FCB_DELETED; RC = STATUS_SUCCESS; }NotifyDelete: // We should prevent SetEOF operations on completly // deleted data streams if(lc < 1) { NtReqFcb->NtReqFCBFlags |= UDF_NTREQ_FCB_DELETED; } // Report that we have removed an entry. if(UDFIsAStream(NextFileInfo)) { UDFNotifyFullReportChange( Vcb, NextFileInfo, FILE_NOTIFY_CHANGE_STREAM_NAME, FILE_ACTION_REMOVED_STREAM); } else { UDFNotifyFullReportChange( Vcb, NextFileInfo, UDFIsADirectory(NextFileInfo) ? FILE_NOTIFY_CHANGE_DIR_NAME : FILE_NOTIFY_CHANGE_FILE_NAME, FILE_ACTION_REMOVED); } } else if(Fcb->FCBFlags & UDF_FCB_DELETE_ON_CLOSE) {DiscardDelete: UDFNotifyFullReportChange( Vcb, NextFileInfo, ((Ccb->CCBFlags & UDF_CCB_ACCESS_TIME_SET) ? FILE_NOTIFY_CHANGE_LAST_ACCESS : 0) | ((Ccb->CCBFlags & UDF_CCB_WRITE_TIME_SET) ? (FILE_NOTIFY_CHANGE_ATTRIBUTES | FILE_NOTIFY_CHANGE_LAST_WRITE) : 0) | 0, UDFIsAStream(NextFileInfo) ? FILE_ACTION_MODIFIED_STREAM : FILE_ACTION_MODIFIED); }#endif //UDF_READ_ONLY_BUILD
if(Fcb->FCBFlags & UDF_FCB_DIRECTORY) { // Report to the dir notify package for a directory. FsRtlNotifyCleanup( Vcb->NotifyIRPMutex, &(Vcb->NextNotifyIRP), (PVOID)Ccb ); }
// we can't purge Cache when more than one link exists if(lc > 1) { ForcedCleanUp = FALSE; }
if ( (FileObject->Flags & FO_CACHE_SUPPORTED) && (NtReqFcb->SectionObject.DataSectionObject) ) { BOOLEAN LastNonCached = (!Fcb->CachedOpenHandleCount && Fcb->OpenHandleCount); // If this was the last cached open, and there are open // non-cached handles, attempt a flush and purge operation // to avoid cache coherency overhead from these non-cached // handles later. We ignore any I/O errors from the flush. // We shall not flush deleted files RC = STATUS_SUCCESS; if( LastNonCached || (!Fcb->OpenHandleCount && !ForcedCleanUp) ) {
#ifndef UDF_READ_ONLY_BUILD LONGLONG OldFileSize, NewFileSize;
if( (OldFileSize = NtReqFcb->CommonFCBHeader.ValidDataLength.QuadPart) < (NewFileSize = NtReqFcb->CommonFCBHeader.FileSize.QuadPart)) {/* UDFZeroDataEx(NtReqFcb, OldFileSize, NewFileSize - OldFileSize, TRUE, Vcb, FileObject);*/
NtReqFcb->CommonFCBHeader.ValidDataLength.QuadPart = NewFileSize; }#endif //UDF_READ_ONLY_BUILD MmPrint((" CcFlushCache()\n")); CcFlushCache( &(NtReqFcb->SectionObject), NULL, 0, &IoStatus ); if(!NT_SUCCESS(IoStatus.Status)) { MmPrint((" CcFlushCache() error: %x\n", IoStatus.Status)); RC = IoStatus.Status; } } // If file is deleted or it is last cached open, but there are // some non-cached handles we should purge cache section if(ForcedCleanUp || LastNonCached) { if(NtReqFcb->SectionObject.DataSectionObject) { MmPrint((" CcPurgeCacheSection()\n")); CcPurgeCacheSection( &(NtReqFcb->SectionObject), NULL, 0, FALSE ); }/* MmPrint((" CcPurgeCacheSection()\n")); CcPurgeCacheSection( &(NtReqFcb->SectionObject), NULL, 0, FALSE );*/ } // we needn't Flush here. It will be done in UDFCloseFileInfoChain() }
#ifndef UDF_READ_ONLY_BUILD // Update FileTimes & Attrs if(!(Vcb->VCBFlags & UDF_VCB_FLAGS_VOLUME_READ_ONLY) && !(Fcb->FCBFlags & (UDF_FCB_DELETE_ON_CLOSE | UDF_FCB_DELETED /*| UDF_FCB_DIRECTORY | UDF_FCB_READ_ONLY*/)) && !UDFIsAStreamDir(NextFileInfo)) { LONGLONG NtTime; LONGLONG ASize; KeQuerySystemTime((PLARGE_INTEGER)&NtTime); // Check if we should set ARCHIVE bit & LastWriteTime if(FileObject->Flags & FO_FILE_MODIFIED) { ULONG Attr; PDIR_INDEX_ITEM DirNdx; DirNdx = UDFDirIndex(UDFGetDirIndexByFileInfo(NextFileInfo), NextFileInfo->Index); ASSERT(DirNdx); // Archive bit if(!(Ccb->CCBFlags & UDF_CCB_ATTRIBUTES_SET) && (Vcb->CompatFlags & UDF_VCB_IC_UPDATE_ARCH_BIT)) { Attr = UDFAttributesToNT(DirNdx, NextFileInfo->Dloc->FileEntry); if(!(Attr & FILE_ATTRIBUTE_ARCHIVE)) UDFAttributesToUDF(DirNdx, NextFileInfo->Dloc->FileEntry, Attr | FILE_ATTRIBUTE_ARCHIVE); } // WriteTime if(!(Ccb->CCBFlags & UDF_CCB_WRITE_TIME_SET) && (Vcb->CompatFlags & UDF_VCB_IC_UPDATE_MODIFY_TIME)) { UDFSetFileXTime(NextFileInfo, NULL, &NtTime, NULL, &NtTime); NtReqFcb->LastWriteTime.QuadPart = NtReqFcb->LastAccessTime.QuadPart = NtTime; ChangeTime = TRUE; } } if(!(Fcb->FCBFlags & UDF_FCB_DIRECTORY)) { // Update sizes in DirIndex if(!Fcb->OpenHandleCount) { ASize = UDFGetFileAllocationSize(Vcb, NextFileInfo);// NtReqFcb->CommonFCBHeader.AllocationSize.QuadPart; UDFSetFileSizeInDirNdx(Vcb, NextFileInfo, &ASize); } else if(FileObject->Flags & FO_FILE_SIZE_CHANGED) { ASize = //UDFGetFileAllocationSize(Vcb, NextFileInfo); NtReqFcb->CommonFCBHeader.AllocationSize.QuadPart; UDFSetFileSizeInDirNdx(Vcb, NextFileInfo, &ASize); } } // AccessTime if((FileObject->Flags & FO_FILE_FAST_IO_READ) && !(Ccb->CCBFlags & UDF_CCB_ACCESS_TIME_SET) && (Vcb->CompatFlags & UDF_VCB_IC_UPDATE_ACCESS_TIME)) { UDFSetFileXTime(NextFileInfo, NULL, &NtTime, NULL, NULL); NtReqFcb->LastAccessTime.QuadPart = NtTime;// ChangeTime = TRUE; } // ChangeTime (AttrTime) if(!(Ccb->CCBFlags & UDF_CCB_MODIFY_TIME_SET) && (Vcb->CompatFlags & UDF_VCB_IC_UPDATE_ATTR_TIME) && (ChangeTime || (Ccb->CCBFlags & (UDF_CCB_ATTRIBUTES_SET | UDF_CCB_CREATE_TIME_SET | UDF_CCB_ACCESS_TIME_SET | UDF_CCB_WRITE_TIME_SET))) ) { UDFSetFileXTime(NextFileInfo, NULL, NULL, &NtTime, NULL); NtReqFcb->ChangeTime.QuadPart = NtTime; } }#endif //UDF_READ_ONLY_BUILD
if(!(Fcb->FCBFlags & UDF_FCB_DIRECTORY) && ForcedCleanUp) { // flush system cache MmPrint((" CcUninitializeCacheMap()\n")); CcUninitializeCacheMap(FileObject, &(UDFGlobalData.UDFLargeZero), NULL); } else { MmPrint((" CcUninitializeCacheMap()\n")); CcUninitializeCacheMap(FileObject, NULL, NULL); }
// release resources now. // they'll be acquired in UDFCloseFileInfoChain() UDF_CHECK_PAGING_IO_RESOURCE(NtReqFcb); UDFReleaseResource(&(NtReqFcb->MainResource)); AcquiredFCB = FALSE;
if(Fcb->FileInfo->ParentFile) { UDF_CHECK_PAGING_IO_RESOURCE(Fcb->FileInfo->ParentFile->Fcb->NTRequiredFCB); UDFReleaseResource(&(Fcb->FileInfo->ParentFile->Fcb->NTRequiredFCB->MainResource)); } else { UDFReleaseResource(&(Vcb->VCBResource)); } AcquiredParentFCB = FALSE; // close the chain ASSERT(AcquiredVcb); RC2 = UDFCloseFileInfoChain(Vcb, NextFileInfo, Ccb->TreeLength, TRUE); if(NT_SUCCESS(RC)) RC = RC2;
Ccb->CCBFlags |= UDF_CCB_CLEANED;
// We must clean up the share access at this time, since we may not // get a Close call for awhile if the file was mapped through this // File Object. IoRemoveShareAccess( FileObject, &(NtReqFcb->FCBShareAccess) );
NtReqFcb->CommonFCBHeader.IsFastIoPossible = UDFIsFastIoPossible(Fcb);
FileObject->Flags |= FO_CLEANUP_COMPLETE;
try_exit: NOTHING;
} _SEH2_FINALLY {
if(AcquiredFCB) { UDF_CHECK_PAGING_IO_RESOURCE(NtReqFcb); UDFReleaseResource(&(NtReqFcb->MainResource)); }
if(AcquiredParentFCB) { if(Fcb->FileInfo->ParentFile) { UDF_CHECK_PAGING_IO_RESOURCE(Fcb->FileInfo->ParentFile->Fcb->NTRequiredFCB); UDFReleaseResource(&(Fcb->FileInfo->ParentFile->Fcb->NTRequiredFCB->MainResource)); } else { UDFReleaseResource(&(Vcb->VCBResource)); } }
if(AcquiredVcb) { UDFReleaseResource(&(Vcb->VCBResource)); AcquiredVcb = FALSE; }
if (!_SEH2_AbnormalTermination()) { // complete the IRP Irp->IoStatus.Status = RC; Irp->IoStatus.Information = 0; IoCompleteRequest(Irp, IO_DISK_INCREMENT); // Free up the Irp Context UDFReleaseIrpContext(PtrIrpContext); }
} _SEH2_END; // end of "__finally" processing return(RC);} // end UDFCommonCleanup()
/* This routine walks through the tree to RootDir & calls UDFCloseFile__() for each file instance imho, Useful feature */NTSTATUSUDFCloseFileInfoChain( IN PVCB Vcb, IN PUDF_FILE_INFO fi, IN ULONG TreeLength, IN BOOLEAN VcbAcquired ){ PUDF_FILE_INFO ParentFI; PtrUDFFCB Fcb; PtrUDFFCB ParentFcb = NULL; NTSTATUS RC = STATUS_SUCCESS; NTSTATUS RC2;
// we can't process Tree until we can acquire Vcb if(!VcbAcquired) UDFAcquireResourceShared(&(Vcb->VCBResource),TRUE);
AdPrint(("UDFCloseFileInfoChain\n")); for(; TreeLength && fi; TreeLength--) {
// close parent chain (if any) // if we started path parsing not from RootDir on Create, // we would never get RootDir here ValidateFileInfo(fi);
// acquire parent if((ParentFI = fi->ParentFile)) { ParentFcb = fi->Fcb->ParentFcb; ASSERT(ParentFcb); ASSERT(ParentFcb->NTRequiredFCB); UDF_CHECK_PAGING_IO_RESOURCE(ParentFcb->NTRequiredFCB); UDFAcquireResourceExclusive(&(ParentFcb->NTRequiredFCB->MainResource),TRUE); ASSERT(ParentFcb->NodeIdentifier.NodeType == UDF_NODE_TYPE_FCB); ASSERT(ParentFcb->NTRequiredFCB->CommonFCBHeader.NodeTypeCode == UDF_NODE_TYPE_NT_REQ_FCB); } else { AdPrint(("Acquiring VCB...\n")); UDFAcquireResourceShared(&(Vcb->VCBResource),TRUE); AdPrint(("Done\n")); } // acquire current file/dir // we must assure that no more threads try to reuse this object if((Fcb = fi->Fcb)) { UDF_CHECK_PAGING_IO_RESOURCE(Fcb->NTRequiredFCB); UDFAcquireResourceExclusive(&(Fcb->NTRequiredFCB->MainResource),TRUE); ASSERT_REF(Fcb->ReferenceCount >= fi->RefCount); if(!(Fcb->FCBFlags & UDF_FCB_DELETED) && (Fcb->FCBFlags & UDF_FCB_VALID)) UDFWriteSecurity(Vcb, Fcb, &(Fcb->NTRequiredFCB->SecurityDesc)); RC2 = UDFCloseFile__(Vcb,fi); if(!NT_SUCCESS(RC2)) RC = RC2; ASSERT_REF(Fcb->ReferenceCount > fi->RefCount); UDF_CHECK_PAGING_IO_RESOURCE(Fcb->NTRequiredFCB); UDFReleaseResource(&(Fcb->NTRequiredFCB->MainResource)); } else { BrutePoint(); RC2 = UDFCloseFile__(Vcb,fi); if(!NT_SUCCESS(RC2)) RC = RC2; }
if(ParentFI) { UDF_CHECK_PAGING_IO_RESOURCE(ParentFcb->NTRequiredFCB); UDFReleaseResource(&(ParentFcb->NTRequiredFCB->MainResource)); } else { UDFReleaseResource(&(Vcb->VCBResource)); } fi = ParentFI; }
if(!VcbAcquired) UDFReleaseResource(&(Vcb->VCBResource));
return RC;
} // end UDFCloseFileInfoChain()