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sys: FspFileNodeNotifyChange: significant improvements

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This commit is contained in:
Bill Zissimopoulos
2016-12-27 21:30:56 -08:00
parent f0a0787f6b
commit 5824a24bf4
6 changed files with 78 additions and 44 deletions
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52
src/sys/cleanup.c
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@ -138,8 +138,12 @@ static NTSTATUS FspFsvolCleanup(
else
{
if (FileDesc->DidSetMetadata)
/* invalidate the parent dir info */
FspFileNodeInvalidateParentDirInfo(FileNode);
{
if (0 == FileNode->MainFileNode)
FspFileNodeInvalidateParentDirInfo(FileNode);
else
FspFileNodeInvalidateStreamInfo(FileNode);
}
return STATUS_SUCCESS; /* FspFsvolCleanupRequestFini will take care of the rest! */
}
@ -153,24 +157,46 @@ NTSTATUS FspFsvolCleanupComplete(
FSP_FSCTL_TRANSACT_REQ *Request = FspIrpRequest(Irp);
PFILE_OBJECT FileObject = IrpSp->FileObject;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FILE_DESC *FileDesc = FileObject->FsContext2;
ULONG NotifyFilter, NotifyAction;
/* if the file is being deleted do a change notification */
ASSERT(FileNode == FileDesc->FileNode);
/* do the appropriate change notification; also invalidate dirinfo/etc. caches */
if (Request->Req.Cleanup.Delete)
{
FspFileNodeNotifyChange(FileNode,
FileNode->IsDirectory ? FILE_NOTIFY_CHANGE_DIR_NAME : FILE_NOTIFY_CHANGE_FILE_NAME,
FILE_ACTION_REMOVED);
/* FspFileNodeNotifyChange also invalidates parent dir and volume info */
NotifyFilter = FileNode->IsDirectory ?
FILE_NOTIFY_CHANGE_DIR_NAME : FILE_NOTIFY_CHANGE_FILE_NAME;
NotifyAction = FILE_ACTION_REMOVED;
}
else
{
/* invalidate the parent dir info */
FspFileNodeInvalidateParentDirInfo(FileNode);
/* do change notification for any metadata changes */
NotifyFilter = 0;
if (Request->Req.Cleanup.SetAllocationSize)
NotifyFilter |= FILE_NOTIFY_CHANGE_SIZE;
if (Request->Req.Cleanup.SetArchiveBit)
NotifyFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
#if 0
if (Request->Req.Cleanup.SetLastAccessTime)
NotifyFilter |= FILE_NOTIFY_CHANGE_LAST_ACCESS;
#endif
if (Request->Req.Cleanup.SetLastWriteTime)
NotifyFilter |= FILE_NOTIFY_CHANGE_LAST_WRITE;
NotifyAction = FILE_ACTION_MODIFIED;
}
/* if the file is being resized invalidate the volume info */
if (FileNode->TruncateOnClose)
FspFsvolDeviceInvalidateVolumeInfo(IrpSp->DeviceObject);
if (0 != NotifyFilter)
FspFileNodeNotifyChange(FileNode, NotifyFilter, NotifyAction, TRUE);
else
{
if (FileDesc->DidSetMetadata)
{
if (0 == FileNode->MainFileNode)
FspFileNodeInvalidateParentDirInfo(FileNode);
else
FspFileNodeInvalidateStreamInfo(FileNode);
}
}
FSP_LEAVE_IOC("FileObject=%p", IrpSp->FileObject);