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sys: FspFileNodeSetFileInfo: refactoring

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This commit is contained in:
Bill Zissimopoulos
2016-02-02 15:59:25 -08:00
parent 7b5a7cd2f0
commit d0d4c0ed8f
3 changed files with 69 additions and 142 deletions
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48
src/sys/create.c
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@ -520,8 +520,6 @@ NTSTATUS FspFsvolCreateComplete(
}
/* populate the FileNode/FileDesc fields from the Response */
FileNode->Header.AllocationSize.QuadPart = Response->Rsp.Create.Opened.FileInfo.AllocationSize;
FileNode->Header.FileSize.QuadPart = Response->Rsp.Create.Opened.FileInfo.FileSize;
FileNode->UserContext = Response->Rsp.Create.Opened.UserContext;
FileNode->IndexNumber = Response->Rsp.Create.Opened.FileInfo.IndexNumber;
FileNode->IsDirectory = BooleanFlagOn(Response->Rsp.Create.Opened.FileInfo.FileAttributes,
@ -558,7 +556,8 @@ NTSTATUS FspFsvolCreateComplete(
FileObject->FsContext = FileNode;
FileObject->FsContext2 = FileDesc;
if (FILE_OPENED == Response->IoStatus.Information)
if (FILE_SUPERSEDED != Response->IoStatus.Information &&
FILE_OVERWRITTEN != Response->IoStatus.Information)
{
/*
* FastFat quote:
@ -577,8 +576,6 @@ NTSTATUS FspFsvolCreateComplete(
Result = FspFsvolCreateTryOpen(Irp, Response, FileNode, FileDesc, FileObject, FlushImage);
}
else
if (FILE_SUPERSEDED == Response->IoStatus.Information ||
FILE_OVERWRITTEN == Response->IoStatus.Information)
{
/*
* Oh, noes! We have to go back to user mode to overwrite the file!
@ -623,14 +620,16 @@ NTSTATUS FspFsvolCreateComplete(
*/
FspIoqPostIrpBestEffort(FsvolDeviceExtension->Ioq, Irp, &Result);
}
else
{
/* SUCCESS! */
FspFileNodeSetFileInfo(FileNode, &Response->Rsp.Create.Opened.FileInfo);
FspIopRequestContext(Request, RequestFileDesc) = 0;
Irp->IoStatus.Information = (ULONG_PTR)Response->IoStatus.Information;
Result = STATUS_SUCCESS;
}
}
else if (FspFsctlTransactReservedKind == Request->Kind)
{
/*
* A Reserved request is a special request used when retrying a file open.
*/
BOOLEAN FlushImage = 0 != FspIopRequestContext(Request, RequestState);
Result = FspFsvolCreateTryOpen(Irp, Response, FileNode, FileDesc, FileObject, FlushImage);
}
else if (FspFsctlTransactOverwriteKind == Request->Kind)
{
@ -648,28 +647,14 @@ NTSTATUS FspFsvolCreateComplete(
}
/* file was successfully overwritten/superseded */
FspFileObjectSetSizes(FileObject,
Response->Rsp.Overwrite.FileInfo.AllocationSize,
Response->Rsp.Overwrite.FileInfo.FileSize);
FspFileNodeSetFileInfo(FileNode, FileObject, &Response->Rsp.Overwrite.FileInfo);
FspFileNodeRelease(FileNode, Full);
/* SUCCESS! */
FspFileNodeSetFileInfo(FileNode, &Response->Rsp.Overwrite.FileInfo);
FspIopRequestContext(Request, RequestFileDesc) = 0;
Irp->IoStatus.Information = Request->Req.Overwrite.Supersede ? FILE_SUPERSEDED : FILE_OVERWRITTEN;
Result = STATUS_SUCCESS;
}
else if (FspFsctlTransactReservedKind == Request->Kind)
{
/*
* A Reserved request is a special request used when retrying a file open.
*/
BOOLEAN FlushImage = 0 != FspIopRequestContext(Request, RequestState);
Result = FspFsvolCreateTryOpen(Irp, Response, FileNode, FileDesc, FileObject, FlushImage);
}
else
ASSERT(0);
@ -712,9 +697,7 @@ static NTSTATUS FspFsvolCreateTryOpen(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Re
return Result;
}
FspFileObjectSetSizes(FileObject,
Response->Rsp.Create.Opened.FileInfo.AllocationSize,
Response->Rsp.Create.Opened.FileInfo.FileSize);
FspFileNodeSetFileInfo(FileNode, FileObject, &Response->Rsp.Create.Opened.FileInfo);
if (FlushImage)
{
@ -739,9 +722,8 @@ static NTSTATUS FspFsvolCreateTryOpen(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Re
FspFileNodeRelease(FileNode, Full);
/* SUCCESS! */
FspFileNodeSetFileInfo(FileNode, &Response->Rsp.Create.Opened.FileInfo);
FspIopRequestContext(Request, RequestFileDesc) = 0;
Irp->IoStatus.Information = FILE_OPENED;
Irp->IoStatus.Information = Response->IoStatus.Information;
return STATUS_SUCCESS;
}