NTSTATUS
AFSCleanup( IN PDEVICE_OBJECT LibDeviceObject,
IN PIRP Irp)
{
NTSTATUS ntStatus = STATUS_SUCCESS;
AFSDeviceExt *pDeviceExt = NULL;
IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
AFSFcb *pFcb = NULL;
AFSCcb *pCcb = NULL;
PFILE_OBJECT pFileObject = NULL;
AFSFcb *pRootFcb = NULL;
AFSDeviceExt *pControlDeviceExt = NULL;
IO_STATUS_BLOCK stIoSB;
AFSObjectInfoCB *pObjectInfo = NULL;
AFSFileCleanupCB stFileCleanup;
ULONG ulNotificationFlags = 0;
__try
{
if( AFSRDRDeviceObject == NULL)
{
//
// Let this through, it's a cleanup on the library control device
//
try_return( ntStatus);
}
pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
pControlDeviceExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
//
// Set some initial variables to make processing easier
//
pFileObject = pIrpSp->FileObject;
pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
if( pFcb == NULL)
{
try_return( ntStatus);
}
pObjectInfo = pFcb->ObjectInformation;
pRootFcb = pObjectInfo->VolumeCB->RootFcb;
RtlZeroMemory( &stFileCleanup,
sizeof( AFSFileCleanupCB));
stFileCleanup.ProcessId = (ULONGLONG)PsGetCurrentProcessId();
stFileCleanup.Identifier = (ULONGLONG)pFileObject;
//
// Perform the cleanup functionality depending on the type of node it is
//
switch( pFcb->Header.NodeTypeCode)
{
case AFS_ROOT_ALL:
{
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup Acquiring GlobalRoot lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Resource,
PsGetCurrentThread());
AFSAcquireExcl( &pFcb->NPFcb->Resource,
TRUE);
ASSERT( pFcb->OpenHandleCount != 0);
InterlockedDecrement( &pFcb->OpenHandleCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup (RootAll) Decrement handle count on Fcb %08lX Cnt %d\n",
pFcb,
pFcb->OpenHandleCount);
AFSReleaseResource( &pFcb->NPFcb->Resource);
FsRtlNotifyCleanup( pControlDeviceExt->Specific.Control.NotifySync,
&pControlDeviceExt->Specific.Control.DirNotifyList,
pCcb);
break;
}
case AFS_IOCTL_FCB:
{
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup Acquiring PIOCtl lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Resource,
PsGetCurrentThread());
AFSAcquireExcl( &pFcb->NPFcb->Resource,
TRUE);
ASSERT( pFcb->OpenHandleCount != 0);
InterlockedDecrement( &pFcb->OpenHandleCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup (IOCtl) Decrement handle count on Fcb %08lX Cnt %d\n",
pFcb,
pFcb->OpenHandleCount);
//
// Decrement the open child handle count
//
if( pObjectInfo->ParentObjectInformation != NULL &&
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount > 0)
{
InterlockedDecrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup (IOCtl) Decrement child open handle count on Parent object %08lX Cnt %d\n",
pObjectInfo->ParentObjectInformation,
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
}
//
// And finally, release the Fcb if we acquired it.
//
AFSReleaseResource( &pFcb->NPFcb->Resource);
break;
}
//
// This Fcb represents a file
//
case AFS_FILE_FCB:
{
//
// We may be performing some cleanup on the Fcb so grab it exclusive to ensure no collisions
//
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup Acquiring Fcb lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Resource,
PsGetCurrentThread());
AFSAcquireExcl( &pFcb->NPFcb->Resource,
TRUE);
//
// If the handle has write permission ...
//
if( (pCcb->GrantedAccess & FILE_WRITE_DATA) &&
CcIsFileCached( pIrpSp->FileObject))
{
__try
{
CcFlushCache( &pFcb->NPFcb->SectionObjectPointers,
NULL,
0,
&stIoSB);
if( !NT_SUCCESS( stIoSB.Status))
{
AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
AFS_TRACE_LEVEL_ERROR,
"AFSCleanup CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
&pCcb->FullFileName,
pObjectInfo->FileId.Cell,
pObjectInfo->FileId.Volume,
pObjectInfo->FileId.Vnode,
pObjectInfo->FileId.Unique,
stIoSB.Status,
stIoSB.Information);
ntStatus = stIoSB.Status;
}
}
__except( EXCEPTION_EXECUTE_HANDLER)
{
ntStatus = GetExceptionCode();
}
}
//
// Uninitialize the cache map. This call is unconditional.
//
AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup Tearing down cache map for Fcb %08lX FileObject %08lX\n",
pFcb,
pFileObject);
CcUninitializeCacheMap( pFileObject,
NULL,
NULL);
//
// Unlock all outstanding locks on the file, again, unconditionally
//
(VOID) FsRtlFastUnlockAll( &pFcb->Specific.File.FileLock,
pFileObject,
IoGetRequestorProcess( Irp),
NULL);
//
// Tell the service to unlock all on the file
//
ulNotificationFlags |= AFS_REQUEST_FLAG_BYTE_RANGE_UNLOCK_ALL;
//
// Perform some final common processing
//
ASSERT( pFcb->OpenHandleCount != 0);
InterlockedDecrement( &pFcb->OpenHandleCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup (File) Decrement handle count on Fcb %08lX Cnt %d\n",
pFcb,
pFcb->OpenHandleCount);
if( pFcb->ObjectInformation->ParentObjectInformation != NULL)
{
stFileCleanup.ParentId = pFcb->ObjectInformation->ParentObjectInformation->FileId;
}
stFileCleanup.LastAccessTime = pObjectInfo->LastAccessTime;
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED))
{
stFileCleanup.AllocationSize = pObjectInfo->EndOfFile;
stFileCleanup.FileAttributes = pObjectInfo->FileAttributes;
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_UPDATE_CREATE_TIME))
{
stFileCleanup.CreateTime = pObjectInfo->CreationTime;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_UPDATE_CREATE_TIME);
}
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_UPDATE_CHANGE_TIME))
{
stFileCleanup.ChangeTime = pObjectInfo->ChangeTime;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_UPDATE_CHANGE_TIME);
}
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_UPDATE_ACCESS_TIME))
{
stFileCleanup.LastAccessTime = pObjectInfo->LastAccessTime;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_UPDATE_ACCESS_TIME);
}
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_UPDATE_LAST_WRITE_TIME))
{
stFileCleanup.LastWriteTime = pObjectInfo->LastWriteTime;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_UPDATE_LAST_WRITE_TIME | AFS_FCB_FLAG_UPDATE_WRITE_TIME);
}
}
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_UPDATE_WRITE_TIME))
{
stFileCleanup.LastWriteTime = pObjectInfo->LastWriteTime;
}
//
// If the count has dropped to zero and there is a pending delete
// then delete the node
//
if( pFcb->OpenHandleCount == 0 &&
BooleanFlagOn( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE))
{
//
// Stop anything possibly in process
//
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup Acquiring Fcb extents lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Specific.File.ExtentsResource,
PsGetCurrentThread());
AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
TRUE);
pObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestStatus = STATUS_FILE_DELETED;
KeSetEvent( &pObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestComplete,
0,
FALSE);
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup Releasing Fcb extents lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Specific.File.ExtentsResource,
PsGetCurrentThread());
AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource);
//
// Before telling the server about the deleted file, tear down all extents for
// the file
//
AFSTearDownFcbExtents( pFcb,
&pCcb->AuthGroup);
ntStatus = STATUS_SUCCESS;
ulNotificationFlags |= AFS_REQUEST_FLAG_FILE_DELETED;
//
// Indicate the file access mode that is being released
//
stFileCleanup.FileAccess = pCcb->FileAccess;
//
// Push the request to the service
//
ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_CLEANUP_PROCESSING,
ulNotificationFlags | AFS_REQUEST_FLAG_SYNCHRONOUS,
&pCcb->AuthGroup,
&pCcb->DirectoryCB->NameInformation.FileName,
&pObjectInfo->FileId,
&stFileCleanup,
sizeof( AFSFileCleanupCB),
NULL,
NULL);
if( !NT_SUCCESS( ntStatus) &&
ntStatus != STATUS_OBJECT_NAME_NOT_FOUND)
{
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_ERROR,
"AFSCleanup Failed to notify service of deleted file %wZ Status %08lX\n",
&pCcb->FullFileName,
ntStatus);
ntStatus = STATUS_SUCCESS;
ClearFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE);
}
else
{
ntStatus = STATUS_SUCCESS;
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup Setting DELETE flag in file %wZ Dir Entry %p\n",
&pCcb->FullFileName,
pCcb->DirectoryCB);
SetFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_DELETED);
ASSERT( pObjectInfo->ParentObjectInformation != NULL);
AFSFsRtlNotifyFullReportChange( pObjectInfo->ParentObjectInformation,
pCcb,
(ULONG)FILE_NOTIFY_CHANGE_FILE_NAME,
(ULONG)FILE_ACTION_REMOVED);
//
// Now that the service has the entry has deleted we need to remove it from the parent
// tree so another lookup on the node will fail
//
if( !BooleanFlagOn( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
{
AFSAcquireExcl( pObjectInfo->ParentObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
TRUE);
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup DE %p for %wZ removing entry\n",
pCcb->DirectoryCB,
&pCcb->DirectoryCB->NameInformation.FileName);
AFSRemoveNameEntry( pObjectInfo->ParentObjectInformation,
pCcb->DirectoryCB);
AFSReleaseResource( pObjectInfo->ParentObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
}
else
{
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup DE %p for %wZ NOT removing entry due to flag set\n",
pCcb->DirectoryCB,
&pCcb->DirectoryCB->NameInformation.FileName);
}
}
}
else
{
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED))
{
ULONG ulNotifyFilter = 0;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED);
ulNotifyFilter |= (FILE_NOTIFY_CHANGE_ATTRIBUTES);
AFSFsRtlNotifyFullReportChange( pObjectInfo->ParentObjectInformation,
pCcb,
(ULONG)ulNotifyFilter,
(ULONG)FILE_ACTION_MODIFIED);
}
//
// Attempt to flush any dirty extents to the server. This may be a little
// aggressive, to flush whenever the handle is closed, but it ensures
// coherency.
//
if( (pCcb->GrantedAccess & FILE_WRITE_DATA) &&
pFcb->Specific.File.ExtentsDirtyCount != 0)
{
AFSFlushExtents( pFcb,
&pCcb->AuthGroup);
}
if( pFcb->OpenHandleCount == 0)
{
//
// Wait for any outstanding queued flushes to complete
//
AFSWaitOnQueuedFlushes( pFcb);
ulNotificationFlags |= AFS_REQUEST_FLAG_FLUSH_FILE;
}
//
// Indicate the file access mode that is being released
//
stFileCleanup.FileAccess = pCcb->FileAccess;
//
// Push the request to the service
//
AFSProcessRequest( AFS_REQUEST_TYPE_CLEANUP_PROCESSING,
ulNotificationFlags | AFS_REQUEST_FLAG_SYNCHRONOUS,
&pCcb->AuthGroup,
&pCcb->DirectoryCB->NameInformation.FileName,
&pObjectInfo->FileId,
&stFileCleanup,
sizeof( AFSFileCleanupCB),
NULL,
NULL);
}
//
// Remove the share access at this time since we may not get the close for sometime on this FO.
//
IoRemoveShareAccess( pFileObject,
&pFcb->ShareAccess);
//
// We don't need the name array after the user closes the handle on the file
//
if( pCcb->NameArray != NULL)
{
AFSFreeNameArray( pCcb->NameArray);
pCcb->NameArray = NULL;
}
//
// Decrement the open child handle count
//
if( pObjectInfo->ParentObjectInformation != NULL)
{
ASSERT( pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount > 0);
InterlockedDecrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup (File) Decrement child open handle count on Parent object %08lX Cnt %d\n",
pObjectInfo->ParentObjectInformation,
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
}
//
// And finally, release the Fcb if we acquired it.
//
AFSReleaseResource( &pFcb->NPFcb->Resource);
break;
}
//
// Root or directory node
//
case AFS_ROOT_FCB:
{
//
// Set the root Fcb to this node
//
pRootFcb = pFcb;
//
// Fall through to below
//
}
case AFS_DIRECTORY_FCB:
{
//
// We may be performing some cleanup on the Fcb so grab it exclusive to ensure no collisions
//
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup Acquiring Dcb lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Resource,
PsGetCurrentThread());
AFSAcquireExcl( &pFcb->NPFcb->Resource,
TRUE);
//
// Perform some final common processing
//
ASSERT( pFcb->OpenHandleCount != 0);
InterlockedDecrement( &pFcb->OpenHandleCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup (Dir) Decrement handle count on Fcb %08lX Cnt %d\n",
pFcb,
pFcb->OpenHandleCount);
if( pFcb->ObjectInformation->ParentObjectInformation != NULL)
{
stFileCleanup.ParentId = pFcb->ObjectInformation->ParentObjectInformation->FileId;
}
stFileCleanup.LastAccessTime = pObjectInfo->LastAccessTime;
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED))
{
stFileCleanup.FileAttributes = pObjectInfo->FileAttributes;
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_UPDATE_CREATE_TIME))
{
stFileCleanup.CreateTime = pObjectInfo->CreationTime;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_UPDATE_CREATE_TIME);
}
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_UPDATE_CHANGE_TIME))
{
stFileCleanup.ChangeTime = pObjectInfo->ChangeTime;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_UPDATE_CHANGE_TIME);
}
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_UPDATE_ACCESS_TIME))
{
stFileCleanup.LastAccessTime = pObjectInfo->LastAccessTime;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_UPDATE_ACCESS_TIME);
}
}
//
// If the count has dropped to zero and there is a pending delete
// then delete the node
//
if( pFcb->OpenHandleCount == 0 &&
BooleanFlagOn( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE))
{
//
// Try to notify the service about the delete
//
ulNotificationFlags |= AFS_REQUEST_FLAG_FILE_DELETED;
//
// Indicate the file access mode that is being released
//
stFileCleanup.FileAccess = pCcb->FileAccess;
//
// Push the request to the service
//
ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_CLEANUP_PROCESSING,
ulNotificationFlags | AFS_REQUEST_FLAG_SYNCHRONOUS,
&pCcb->AuthGroup,
&pCcb->DirectoryCB->NameInformation.FileName,
&pObjectInfo->FileId,
&stFileCleanup,
sizeof( AFSFileCleanupCB),
NULL,
NULL);
if( !NT_SUCCESS( ntStatus) &&
ntStatus != STATUS_OBJECT_NAME_NOT_FOUND)
{
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_ERROR,
"AFSCleanup Failed to notify service of deleted directory %wZ Status %08lX\n",
&pCcb->FullFileName,
ntStatus);
ntStatus = STATUS_SUCCESS;
ClearFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE);
}
else
{
ntStatus = STATUS_SUCCESS;
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup Setting DELETE flag in directory %wZ Dir Entry %p\n",
&pCcb->FullFileName,
pCcb->DirectoryCB);
SetFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_DELETED);
ASSERT( pObjectInfo->ParentObjectInformation != NULL);
AFSFsRtlNotifyFullReportChange( pObjectInfo->ParentObjectInformation,
pCcb,
(ULONG)FILE_NOTIFY_CHANGE_FILE_NAME,
(ULONG)FILE_ACTION_REMOVED);
//
// Now that the service has the entry has deleted we need to remove it from the parent
// tree so another lookup on the node will fail
//
if( !BooleanFlagOn( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
{
AFSAcquireExcl( pObjectInfo->ParentObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
TRUE);
AFSRemoveNameEntry( pObjectInfo->ParentObjectInformation,
pCcb->DirectoryCB);
AFSReleaseResource( pObjectInfo->ParentObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
}
else
{
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup DE %p for %wZ NOT removing entry due to flag set\n",
pCcb->DirectoryCB,
&pCcb->DirectoryCB->NameInformation.FileName);
}
}
}
//
// If there have been any updates to the node then push it to
// the service
//
else
{
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED))
{
ULONG ulNotifyFilter = 0;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED);
if( pObjectInfo->ParentObjectInformation != NULL)
{
ulNotifyFilter |= (FILE_NOTIFY_CHANGE_ATTRIBUTES);
AFSFsRtlNotifyFullReportChange( pObjectInfo->ParentObjectInformation,
pCcb,
(ULONG)ulNotifyFilter,
(ULONG)FILE_ACTION_MODIFIED);
}
}
//
// Indicate the file access mode that is being released
//
stFileCleanup.FileAccess = pCcb->FileAccess;
AFSProcessRequest( AFS_REQUEST_TYPE_CLEANUP_PROCESSING,
ulNotificationFlags | AFS_REQUEST_FLAG_SYNCHRONOUS,
&pCcb->AuthGroup,
&pCcb->DirectoryCB->NameInformation.FileName,
&pObjectInfo->FileId,
&stFileCleanup,
sizeof( AFSFileCleanupCB),
NULL,
NULL);
}
//
// Release the notification for this directory if there is one
//
FsRtlNotifyCleanup( pControlDeviceExt->Specific.Control.NotifySync,
&pControlDeviceExt->Specific.Control.DirNotifyList,
pCcb);
//
// Remove the share access at this time since we may not get the close for sometime on this FO.
//
IoRemoveShareAccess( pFileObject,
&pFcb->ShareAccess);
//
// We don't need the name array after the user closes the handle on the file
//
if( pCcb->NameArray != NULL)
{
AFSFreeNameArray( pCcb->NameArray);
pCcb->NameArray = NULL;
}
//
// Decrement the open child handle count
//
if( pObjectInfo->ParentObjectInformation != NULL)
{
ASSERT( pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount > 0);
InterlockedDecrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup (Dir) Decrement child open handle count on Parent object %08lX Cnt %d\n",
pObjectInfo->ParentObjectInformation,
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
}
//
// And finally, release the Fcb if we acquired it.
//
AFSReleaseResource( &pFcb->NPFcb->Resource);
break;
}
case AFS_SYMBOLIC_LINK_FCB:
case AFS_MOUNT_POINT_FCB:
case AFS_DFS_LINK_FCB:
case AFS_INVALID_FCB:
{
//
// We may be performing some cleanup on the Fcb so grab it exclusive to ensure no collisions
//
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup (MP/SL) Acquiring Dcb lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Resource,
PsGetCurrentThread());
AFSAcquireExcl( &pFcb->NPFcb->Resource,
TRUE);
//
// Perform some final common processing
//
ASSERT( pFcb->OpenHandleCount != 0);
InterlockedDecrement( &pFcb->OpenHandleCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup (MP/SL) Decrement handle count on Fcb %08lX Cnt %d\n",
pFcb,
pFcb->OpenHandleCount);
if( pFcb->ObjectInformation->ParentObjectInformation != NULL)
{
stFileCleanup.ParentId = pFcb->ObjectInformation->ParentObjectInformation->FileId;
}
stFileCleanup.LastAccessTime = pObjectInfo->LastAccessTime;
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED))
{
stFileCleanup.FileAttributes = pObjectInfo->FileAttributes;
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_UPDATE_CREATE_TIME))
{
stFileCleanup.CreateTime = pObjectInfo->CreationTime;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_UPDATE_CREATE_TIME);
}
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_UPDATE_CHANGE_TIME))
{
stFileCleanup.ChangeTime = pObjectInfo->ChangeTime;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_UPDATE_CHANGE_TIME);
}
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_UPDATE_ACCESS_TIME))
{
stFileCleanup.LastAccessTime = pObjectInfo->LastAccessTime;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_UPDATE_ACCESS_TIME);
}
}
//
// If the count has dropped to zero and there is a pending delete
// then delete the node
//
if( pFcb->OpenHandleCount == 0 &&
BooleanFlagOn( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE))
{
//
// Try to notify the service about the delete
//
ulNotificationFlags |= AFS_REQUEST_FLAG_FILE_DELETED;
//
// Indicate the file access mode that is being released
//
stFileCleanup.FileAccess = pCcb->FileAccess;
//
// Push the request to the service
//
ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_CLEANUP_PROCESSING,
ulNotificationFlags | AFS_REQUEST_FLAG_SYNCHRONOUS,
&pCcb->AuthGroup,
&pCcb->DirectoryCB->NameInformation.FileName,
&pObjectInfo->FileId,
&stFileCleanup,
sizeof( AFSFileCleanupCB),
NULL,
NULL);
if( !NT_SUCCESS( ntStatus) &&
ntStatus != STATUS_OBJECT_NAME_NOT_FOUND)
{
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_ERROR,
"AFSCleanup Failed to notify service of deleted MP/SL %wZ Status %08lX\n",
&pCcb->FullFileName,
ntStatus);
ntStatus = STATUS_SUCCESS;
ClearFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE);
}
else
{
ntStatus = STATUS_SUCCESS;
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup Setting DELETE flag in MP/SL %wZ Dir Entry %p\n",
&pCcb->FullFileName,
pCcb->DirectoryCB);
SetFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_DELETED);
ASSERT( pObjectInfo->ParentObjectInformation != NULL);
AFSFsRtlNotifyFullReportChange( pObjectInfo->ParentObjectInformation,
pCcb,
(ULONG)FILE_NOTIFY_CHANGE_FILE_NAME,
(ULONG)FILE_ACTION_REMOVED);
//
// Now that the service has the entry has deleted we need to remove it from the parent
// tree so another lookup on the node will fail
//
if( !BooleanFlagOn( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
{
AFSAcquireExcl( pObjectInfo->ParentObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
TRUE);
AFSRemoveNameEntry( pObjectInfo->ParentObjectInformation,
pCcb->DirectoryCB);
AFSReleaseResource( pObjectInfo->ParentObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
}
else
{
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup DE %p for %wZ NOT removing entry due to flag set\n",
pCcb->DirectoryCB,
&pCcb->DirectoryCB->NameInformation.FileName);
}
}
}
//
// If there have been any updates to the node then push it to
// the service
//
else
{
if( BooleanFlagOn( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED))
{
ULONG ulNotifyFilter = 0;
ClearFlag( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED);
if( pObjectInfo->ParentObjectInformation != NULL)
{
ulNotifyFilter |= (FILE_NOTIFY_CHANGE_ATTRIBUTES);
AFSFsRtlNotifyFullReportChange( pObjectInfo->ParentObjectInformation,
pCcb,
(ULONG)ulNotifyFilter,
(ULONG)FILE_ACTION_MODIFIED);
}
}
//
// Indicate the file access mode that is being released
//
stFileCleanup.FileAccess = pCcb->FileAccess;
AFSProcessRequest( AFS_REQUEST_TYPE_CLEANUP_PROCESSING,
ulNotificationFlags | AFS_REQUEST_FLAG_SYNCHRONOUS,
&pCcb->AuthGroup,
&pCcb->DirectoryCB->NameInformation.FileName,
&pObjectInfo->FileId,
&stFileCleanup,
sizeof( AFSFileCleanupCB),
NULL,
NULL);
}
//
// Remove the share access at this time since we may not get the close for sometime on this FO.
//
IoRemoveShareAccess( pFileObject,
&pFcb->ShareAccess);
//
// We don't need the name array after the user closes the handle on the file
//
if( pCcb->NameArray != NULL)
{
AFSFreeNameArray( pCcb->NameArray);
pCcb->NameArray = NULL;
}
//
// Decrement the open child handle count
//
if( pObjectInfo->ParentObjectInformation != NULL)
{
ASSERT( pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount > 0);
InterlockedDecrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup (MP/SL) Decrement child open handle count on Parent object %08lX Cnt %d\n",
pObjectInfo->ParentObjectInformation,
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
}
//
// And finally, release the Fcb if we acquired it.
//
AFSReleaseResource( &pFcb->NPFcb->Resource);
break;
}
case AFS_SPECIAL_SHARE_FCB:
{
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup Acquiring SPECIAL SHARE lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Resource,
PsGetCurrentThread());
AFSAcquireExcl( &pFcb->NPFcb->Resource,
TRUE);
ASSERT( pFcb->OpenHandleCount != 0);
InterlockedDecrement( &pFcb->OpenHandleCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup (Share) Decrement handle count on Fcb %08lX Cnt %d\n",
pFcb,
pFcb->OpenHandleCount);
//
// Decrement the open child handle count
//
if( pObjectInfo->ParentObjectInformation != NULL &&
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount > 0)
{
InterlockedDecrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSCleanup (Share) Decrement child open handle count on Parent object %08lX Cnt %d\n",
pObjectInfo->ParentObjectInformation,
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
}
//
// And finally, release the Fcb if we acquired it.
//
AFSReleaseResource( &pFcb->NPFcb->Resource);
break;
}
default:
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_WARNING,
"AFSCleanup Processing unknown node type %d\n",
pFcb->Header.NodeTypeCode);
break;
}
try_exit:
if( pFileObject != NULL)
{
//
// Setup the fileobject flags to indicate cleanup is complete.
//
SetFlag( pFileObject->Flags, FO_CLEANUP_COMPLETE);
}
//
// Complete the request
//
AFSCompleteRequest( Irp, ntStatus);
}
NTSTATUS
AFSClose( IN PDEVICE_OBJECT LibDeviceObject,
IN PIRP Irp)
{
NTSTATUS ntStatus = STATUS_SUCCESS;
ULONG ulRequestType = 0;
IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
AFSFcb *pFcb = NULL;
AFSDeviceExt *pDeviceExt = NULL;
AFSCcb *pCcb = NULL;
AFSObjectInfoCB *pObjectInfo = NULL;
AFSDirectoryCB *pDirCB = NULL;
__try
{
if( AFSRDRDeviceObject == NULL)
{
//
// Let this through, it's an close on the library control device
//
try_return( ntStatus);
}
pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
pIrpSp = IoGetCurrentIrpStackLocation( Irp);
pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
if( pFcb == NULL)
{
try_return( ntStatus);
}
pObjectInfo = pFcb->ObjectInformation;
//
// Perform the close functionality depending on the type of node it is
//
switch( pFcb->Header.NodeTypeCode)
{
case AFS_IOCTL_FCB:
{
AFSPIOCtlOpenCloseRequestCB stPIOCtlClose;
AFSFileID stParentFileId;
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose Acquiring GlobalRoot lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Resource,
PsGetCurrentThread());
AFSAcquireExcl( &pFcb->NPFcb->Resource,
TRUE);
pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
//
// Send the close to the CM
//
RtlZeroMemory( &stPIOCtlClose,
sizeof( AFSPIOCtlOpenCloseRequestCB));
stPIOCtlClose.RequestId = pCcb->RequestID;
stPIOCtlClose.RootId = pObjectInfo->VolumeCB->ObjectInformation.FileId;
RtlZeroMemory( &stParentFileId,
sizeof( AFSFileID));
stParentFileId = pObjectInfo->ParentObjectInformation->FileId;
//
// Issue the close request to the service
//
AFSProcessRequest( AFS_REQUEST_TYPE_PIOCTL_CLOSE,
AFS_REQUEST_FLAG_SYNCHRONOUS,
&pCcb->AuthGroup,
NULL,
&stParentFileId,
(void *)&stPIOCtlClose,
sizeof( AFSPIOCtlOpenCloseRequestCB),
NULL,
NULL);
pDirCB = pCcb->DirectoryCB;
//
// Remove the Ccb and de-allocate it
//
ntStatus = AFSRemoveCcb( pFcb,
pCcb);
if( !NT_SUCCESS( ntStatus))
{
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_WARNING,
"AFSClose Failed to remove Ccb from Fcb Status %08lX\n", ntStatus);
//
// We can't actually fail a close operation so reset the status
//
ntStatus = STATUS_SUCCESS;
}
ASSERT( pDirCB->OpenReferenceCount > 0);
InterlockedDecrement( &pDirCB->OpenReferenceCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose (IOCtl) Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
&pDirCB->NameInformation.FileName,
pDirCB,
pCcb,
pDirCB->OpenReferenceCount);
//
// If this is not the root then decrement the open child reference count
//
if( pObjectInfo->ParentObjectInformation != NULL &&
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount > 0)
{
InterlockedDecrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose (IOCtl) Decrement child open ref count on Parent object %08lX Cnt %d\n",
pObjectInfo->ParentObjectInformation,
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount);
}
AFSReleaseResource( &pFcb->NPFcb->Resource);
ASSERT( pFcb->OpenReferenceCount != 0);
InterlockedDecrement( &pFcb->OpenReferenceCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose (IOCtl) Decrement count on Fcb %08lX Cnt %d\n",
pFcb,
pFcb->OpenReferenceCount);
break;
}
case AFS_ROOT_ALL:
{
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose Acquiring Special Root ALL lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Resource,
PsGetCurrentThread());
AFSAcquireExcl( &pFcb->NPFcb->Resource,
TRUE);
pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
pDirCB = pCcb->DirectoryCB;
//
// Remove the Ccb and de-allocate it
//
ntStatus = AFSRemoveCcb( pFcb,
pCcb);
if( !NT_SUCCESS( ntStatus))
{
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_WARNING,
"AFSClose Failed to remove Ccb from Fcb Status %08lX\n", ntStatus);
//
// We can't actually fail a close operation so reset the status
//
ntStatus = STATUS_SUCCESS;
}
ASSERT( pDirCB->OpenReferenceCount > 0);
InterlockedDecrement( &pDirCB->OpenReferenceCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose Decrement (Root ALL) count on %wZ DE %p Ccb %p Cnt %d\n",
&pDirCB->NameInformation.FileName,
pDirCB,
pCcb,
pDirCB->OpenReferenceCount);
AFSReleaseResource( &pFcb->NPFcb->Resource);
ASSERT( pFcb->OpenReferenceCount > 0);
InterlockedDecrement( &pFcb->OpenReferenceCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose (RootAll) Decrement count on Fcb %08lX Cnt %d\n",
pFcb,
pFcb->OpenReferenceCount);
break;
}
//
// Root, file or directory node
//
case AFS_FILE_FCB:
case AFS_ROOT_FCB:
case AFS_DIRECTORY_FCB:
case AFS_SYMBOLIC_LINK_FCB:
case AFS_MOUNT_POINT_FCB:
case AFS_DFS_LINK_FCB:
case AFS_INVALID_FCB:
{
pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
//
// We may be performing some cleanup on the Fcb so grab it exclusive to ensure no collisions
//
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose Acquiring Dcb lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Resource,
PsGetCurrentThread());
AFSAcquireExcl( &pFcb->NPFcb->Resource,
TRUE);
KeQueryTickCount( &pFcb->ObjectInformation->LastAccessCount);
pDirCB = pCcb->DirectoryCB;
//
// If this entry is deleted then remove the object from the volume tree
//
if( BooleanFlagOn( pDirCB->Flags, AFS_DIR_ENTRY_DELETED))
{
if( pFcb->Header.NodeTypeCode == AFS_FILE_FCB)
{
//
// Stop anything possibly in process
//
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose Acquiring Fcb extents lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Specific.File.ExtentsResource,
PsGetCurrentThread());
AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
TRUE);
pObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestStatus = STATUS_FILE_DELETED;
KeSetEvent( &pObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestComplete,
0,
FALSE);
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose Releasing Fcb extents lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Specific.File.ExtentsResource,
PsGetCurrentThread());
AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource);
}
AFSAcquireExcl( pObjectInfo->ParentObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
TRUE);
AFSAcquireExcl( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
TRUE);
if ( pDirCB->OpenReferenceCount == 0)
{
AFSDbgLogMsg( 0,
0,
"AFSClose (Other) OpenReferenceCount is Zero on DE %08lX Ccb %08lX FileName %wZ\n",
pDirCB,
pCcb,
&pDirCB->NameInformation.FileName);
}
ASSERT( pDirCB->OpenReferenceCount > 0);
InterlockedDecrement( &pDirCB->OpenReferenceCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose (Other) Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
&pDirCB->NameInformation.FileName,
pDirCB,
pCcb,
pDirCB->OpenReferenceCount);
if( pDirCB->OpenReferenceCount == 0)
{
AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose Deleting dir entry %08lX (%08lX) for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
pDirCB,
pObjectInfo,
&pDirCB->NameInformation.FileName,
pObjectInfo->FileId.Cell,
pObjectInfo->FileId.Volume,
pObjectInfo->FileId.Vnode,
pObjectInfo->FileId.Unique);
//
// Remove and delete the directory entry from the parent list
//
AFSDeleteDirEntry( pObjectInfo->ParentObjectInformation,
pDirCB);
if( pObjectInfo->ObjectReferenceCount <= 0)
{
if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE))
{
AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose Removing object %08lX from volume tree\n",
pObjectInfo);
AFSRemoveHashEntry( &pObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
&pObjectInfo->TreeEntry);
ClearFlag( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE);
}
SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DELETED);
}
}
AFSReleaseResource( pObjectInfo->ParentObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
AFSReleaseResource( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
}
else
{
ASSERT( pDirCB->OpenReferenceCount > 0);
InterlockedDecrement( &pDirCB->OpenReferenceCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose (Other2) Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
&pDirCB->NameInformation.FileName,
pDirCB,
pCcb,
pDirCB->OpenReferenceCount);
}
//
// If this is not the root then decrement the open child reference count
//
if( pObjectInfo != NULL &&
pObjectInfo->ParentObjectInformation != NULL &&
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount > 0)
{
InterlockedDecrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose Decrement child open ref count on Parent object %08lX Cnt %d\n",
pObjectInfo->ParentObjectInformation,
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount);
}
if( pFcb->OpenReferenceCount == 1 &&
pFcb->Header.NodeTypeCode == AFS_FILE_FCB)
{
SetFlag( pFcb->Flags, AFS_FCB_FILE_CLOSED);
//
// Attempt to tear down our extent list for the file
// If there are remaining dirty extents then attempt to
// flush them as well
//
if( pFcb->Specific.File.ExtentsDirtyCount)
{
AFSFlushExtents( pFcb,
&pCcb->AuthGroup);
}
//
// Wait for any outstanding queued flushes to complete
//
AFSWaitOnQueuedFlushes( pFcb);
ASSERT( pFcb->Specific.File.ExtentsDirtyCount == 0 &&
pFcb->Specific.File.QueuedFlushCount == 0);
AFSReleaseResource( &pFcb->NPFcb->Resource);
//
// Tear 'em down, we'll not be needing them again
//
AFSTearDownFcbExtents( pFcb,
&pCcb->AuthGroup);
}
else
{
if( pFcb->Header.NodeTypeCode == AFS_FILE_FCB &&
pFcb->Specific.File.ExtentsDirtyCount &&
(pCcb->GrantedAccess & FILE_WRITE_DATA))
{
AFSFlushExtents( pFcb,
&pCcb->AuthGroup);
}
AFSReleaseResource( &pFcb->NPFcb->Resource);
}
//
// Remove the Ccb and de-allocate it
//
ntStatus = AFSRemoveCcb( pFcb,
pCcb);
if( !NT_SUCCESS( ntStatus))
{
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_WARNING,
"AFSClose Failed to remove Ccb from Fcb Status %08lX\n",
ntStatus);
//
// We can't actually fail a close operation so reset the status
//
ntStatus = STATUS_SUCCESS;
}
//
// Decrement the reference count on the Fcb. this is protecting it from teardown.
//
ASSERT( pFcb->OpenReferenceCount != 0);
InterlockedDecrement( &pFcb->OpenReferenceCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose Decrement count on Fcb %08lX Cnt %d\n",
pFcb,
pFcb->OpenReferenceCount);
break;
}
case AFS_SPECIAL_SHARE_FCB:
{
AFSPipeOpenCloseRequestCB stPipeClose;
AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose Acquiring Special Share lock %08lX EXCL %08lX\n",
&pFcb->NPFcb->Resource,
PsGetCurrentThread());
AFSAcquireExcl( &pFcb->NPFcb->Resource,
TRUE);
pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
pDirCB = pCcb->DirectoryCB;
RtlZeroMemory( &stPipeClose,
sizeof( AFSPipeOpenCloseRequestCB));
stPipeClose.RequestId = pCcb->RequestID;
stPipeClose.RootId = pObjectInfo->VolumeCB->ObjectInformation.FileId;
//
// Issue the open request to the service
//
/*
AFSProcessRequest( AFS_REQUEST_TYPE_PIPE_CLOSE,
AFS_REQUEST_FLAG_SYNCHRONOUS,
&pFcb->AuthGroup,
&pDirCB->NameInformation.FileName,
NULL,
(void *)&stPipeClose,
sizeof( AFSPipeOpenCloseRequestCB),
NULL,
NULL);
*/
//
// Remove the Ccb and de-allocate it
//
ntStatus = AFSRemoveCcb( pFcb,
pCcb);
if( !NT_SUCCESS( ntStatus))
{
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_WARNING,
"AFSClose Failed to remove Ccb from Fcb Status %08lX\n", ntStatus);
//
// We can't actually fail a close operation so reset the status
//
ntStatus = STATUS_SUCCESS;
}
ASSERT( pDirCB->OpenReferenceCount > 0);
InterlockedDecrement( &pDirCB->OpenReferenceCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose (Share) Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
&pDirCB->NameInformation.FileName,
pDirCB,
pCcb,
pDirCB->OpenReferenceCount);
//
// If this is not the root then decrement the open child reference count
//
if( pObjectInfo->ParentObjectInformation != NULL &&
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount > 0)
{
InterlockedDecrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose (Share) Decrement child open ref count on Parent object %08lX Cnt %d\n",
pObjectInfo->ParentObjectInformation,
pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount);
}
AFSReleaseResource( &pFcb->NPFcb->Resource);
ASSERT( pFcb->OpenReferenceCount != 0);
InterlockedDecrement( &pFcb->OpenReferenceCount);
AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
AFS_TRACE_LEVEL_VERBOSE,
"AFSClose (Share) Decrement count on Fcb %08lX Cnt %d\n",
pFcb,
pFcb->OpenReferenceCount);
break;
}
default:
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_ERROR,
"AFSClose Processing unknown node type %d\n",
pFcb->Header.NodeTypeCode);
break;
}
try_exit:
//
// Complete the request
//
AFSCompleteRequest( Irp,
ntStatus);
}
__except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
{
AFSDbgLogMsg( 0,
0,
"EXCEPTION - AFSClose\n");
AFSDumpTraceFilesFnc();
}
return ntStatus;
}
NTSTATUS
AFSFlushBuffers( IN PDEVICE_OBJECT LibDeviceObject,
IN PIRP Irp)
{
UNREFERENCED_PARAMETER(LibDeviceObject);
AFSDeviceExt *pRDRDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
NTSTATUS ntStatus = STATUS_SUCCESS;
IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
PFILE_OBJECT pFileObject = pIrpSp->FileObject;
AFSFcb *pFcb = (AFSFcb *)pFileObject->FsContext;
AFSCcb *pCcb = (AFSCcb *)pFileObject->FsContext2;
IO_STATUS_BLOCK iosb = {0};
BOOLEAN bReleaseSectionObject = FALSE;
pIrpSp = IoGetCurrentIrpStackLocation( Irp);
__Enter
{
if( pFcb == NULL)
{
AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_ERROR,
"AFSFlushBuffers Attempted access (%p) when pFcb == NULL\n",
Irp));
try_return( ntStatus = STATUS_INVALID_DEVICE_REQUEST);
}
if( pFcb->Header.NodeTypeCode == AFS_ROOT_FCB ||
pFcb->Header.NodeTypeCode == AFS_ROOT_ALL )
{
//
// Once we support ADS's on directories we need to perform a flush ehre
//
try_return( ntStatus = STATUS_SUCCESS);
}
else if (pFcb->Header.NodeTypeCode != AFS_FILE_FCB)
{
//
// Nothing to flush Everything but files are write through
//
try_return( ntStatus = STATUS_INVALID_PARAMETER);
}
AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING|AFS_SUBSYSTEM_SECTION_OBJECT,
AFS_TRACE_LEVEL_VERBOSE,
"AFSFlushBuffers Acquiring Fcb SectionObject lock %p SHARED %08lX\n",
&pFcb->NPFcb->SectionObjectResource,
PsGetCurrentThread()));
AFSAcquireShared( &pFcb->NPFcb->SectionObjectResource,
TRUE);
bReleaseSectionObject = TRUE;
//
// The flush consists of two parts. We firstly flush our
// cache (if we have one), then we tell the service to write
// to the remote server
//
__try
{
CcFlushCache( &pFcb->NPFcb->SectionObjectPointers, NULL, 0, &iosb);
if (!NT_SUCCESS( iosb.Status ))
{
AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
AFS_TRACE_LEVEL_ERROR,
"AFSFlushBuffers CcFlushCache [1] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
pFcb->ObjectInformation->FileId.Cell,
pFcb->ObjectInformation->FileId.Volume,
pFcb->ObjectInformation->FileId.Vnode,
pFcb->ObjectInformation->FileId.Unique,
iosb.Status,
iosb.Information));
try_return( ntStatus = iosb.Status );
}
}
__except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()))
{
try_return( ntStatus = GetExceptionCode());
}
if( !BooleanFlagOn( pRDRDevExt->DeviceFlags, AFS_DEVICE_FLAG_DIRECT_SERVICE_IO))
{
AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING|AFS_SUBSYSTEM_SECTION_OBJECT,
AFS_TRACE_LEVEL_VERBOSE,
"AFSFlushBuffers Releasing Fcb SectionObject lock %p SHARED %08lX\n",
&pFcb->NPFcb->SectionObjectResource,
PsGetCurrentThread()));
AFSReleaseResource( &pFcb->NPFcb->SectionObjectResource);
bReleaseSectionObject = FALSE;
//
// Now, flush to the server - if there is stuff to do
//
ntStatus = AFSFlushExtents( pFcb,
&pCcb->AuthGroup);
if( !NT_SUCCESS( ntStatus))
{
AFSReleaseExtentsWithFlush( pFcb,
&pCcb->AuthGroup,
TRUE);
ntStatus = STATUS_SUCCESS;
}
}
try_exit:
if ( bReleaseSectionObject)
{
AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING|AFS_SUBSYSTEM_SECTION_OBJECT,
AFS_TRACE_LEVEL_VERBOSE,
"AFSFlushBuffers Releasing Fcb SectionObject lock %p SHARED %08lX\n",
&pFcb->NPFcb->SectionObjectResource,
PsGetCurrentThread()));
AFSReleaseResource( &pFcb->NPFcb->SectionObjectResource);
}
AFSCompleteRequest( Irp, ntStatus);
}
return ntStatus;
}
NTSTATUS
AFSFlushBuffers( IN PDEVICE_OBJECT LibDeviceObject,
IN PIRP Irp)
{
NTSTATUS ntStatus = STATUS_SUCCESS;
IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
PFILE_OBJECT pFileObject = pIrpSp->FileObject;
AFSFcb *pFcb = (AFSFcb *)pFileObject->FsContext;
AFSCcb *pCcb = (AFSCcb *)pFileObject->FsContext2;
IO_STATUS_BLOCK iosb = {0};
pIrpSp = IoGetCurrentIrpStackLocation( Irp);
__Enter
{
if( pFcb == NULL)
{
AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
AFS_TRACE_LEVEL_ERROR,
"AFSFlushBuffers Attempted access (%08lX) when pFcb == NULL\n",
Irp);
try_return( ntStatus = STATUS_INVALID_DEVICE_REQUEST);
}
if( pFcb->Header.NodeTypeCode == AFS_ROOT_FCB ||
pFcb->Header.NodeTypeCode == AFS_ROOT_ALL )
{
//
// Once we support ADS's on directories we need to perform a flush ehre
//
try_return( ntStatus = STATUS_SUCCESS);
}
else if (pFcb->Header.NodeTypeCode != AFS_FILE_FCB)
{
//
// Nothing to flush Everything but files are write through
//
try_return( ntStatus = STATUS_INVALID_PARAMETER);
}
//
// The flush consists of two parts. We firstly flush our
// cache (if we have one), then we tell the service to write
// to the remote server
//
__try
{
CcFlushCache( &pFcb->NPFcb->SectionObjectPointers, NULL, 0, &iosb);
if (!NT_SUCCESS( iosb.Status ))
{
AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
AFS_TRACE_LEVEL_ERROR,
"AFSFlushBuffers CcFlushCache [1] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
pFcb->ObjectInformation->FileId.Cell,
pFcb->ObjectInformation->FileId.Volume,
pFcb->ObjectInformation->FileId.Vnode,
pFcb->ObjectInformation->FileId.Unique,
iosb.Status,
iosb.Information);
try_return( ntStatus = iosb.Status );
}
}
__except( EXCEPTION_EXECUTE_HANDLER)
{
try_return( ntStatus = GetExceptionCode());
}
//
// Now, flush to the server - if there is stuff to do
//
ntStatus = AFSFlushExtents( pFcb,
&pCcb->AuthGroup);
if( !NT_SUCCESS( ntStatus))
{
AFSReleaseExtentsWithFlush( pFcb,
&pCcb->AuthGroup);
ntStatus = STATUS_SUCCESS;
}
try_exit:
AFSCompleteRequest( Irp, ntStatus);
}
return ntStatus;
}
