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sys,dll: Cleanup/TruncateOnClose overhaul

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This commit is contained in:
Bill Zissimopoulos
2016-12-21 16:09:24 -08:00
parent 8d6314e2db
commit c897ddd864
13 changed files with 203 additions and 69 deletions
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20
src/sys/cleanup.c
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@ -77,13 +77,17 @@ static NTSTATUS FspFsvolCleanup(
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FILE_DESC *FileDesc = FileObject->FsContext2;
FSP_FSCTL_TRANSACT_REQ *Request;
BOOLEAN DeletePending;
ULONG CleanupFlags;
BOOLEAN DeletePending, SetAllocationSize, FileModified;
ASSERT(FileNode == FileDesc->FileNode);
FspFileNodeAcquireExclusive(FileNode, Main);
FspFileNodeCleanup(FileNode, FileObject, &DeletePending);
FspFileNodeCleanup(FileNode, FileObject, &CleanupFlags);
DeletePending = CleanupFlags & 1;
SetAllocationSize = !!(CleanupFlags & 2);
FileModified = BooleanFlagOn(FileObject->Flags, FO_FILE_MODIFIED);
/* if this is a directory inform the FSRTL Notify mechanism */
if (FileNode->IsDirectory)
@ -106,13 +110,23 @@ static NTSTATUS FspFsvolCleanup(
Request->Req.Cleanup.UserContext = FileNode->UserContext;
Request->Req.Cleanup.UserContext2 = FileDesc->UserContext2;
Request->Req.Cleanup.Delete = DeletePending;
Request->Req.Cleanup.SetAllocationSize = SetAllocationSize;
Request->Req.Cleanup.SetArchiveBit = FileModified;
Request->Req.Cleanup.SetLastAccessTime = !FileDesc->DidSetLastAccessTime;
Request->Req.Cleanup.SetLastWriteTime = FileModified && !FileDesc->DidSetLastWriteTime;
Request->Req.Cleanup.SetChangeTime = FileModified;
FspFileNodeAcquireExclusive(FileNode, Pgio);
FspFileNodeSetOwner(FileNode, Full, Request);
FspIopRequestContext(Request, RequestIrp) = Irp;
if (DeletePending || !FsvolDeviceExtension->VolumeParams.PostCleanupOnDeleteOnly)
if (Request->Req.Cleanup.Delete ||
Request->Req.Cleanup.SetAllocationSize ||
Request->Req.Cleanup.SetArchiveBit ||
Request->Req.Cleanup.SetLastWriteTime ||
Request->Req.Cleanup.SetChangeTime ||
!FsvolDeviceExtension->VolumeParams.PostCleanupWhenModifiedOnly)
/*
* Note that it is still possible for this request to not be delivered,
* if the volume device Ioq is stopped. But such failures are benign