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sys: FspFileNodeSetFileInfo: TruncateOnClose

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This commit is contained in:
Bill Zissimopoulos
2016-12-21 16:45:01 -08:00
parent c897ddd864
commit 7b94f2bebf
5 changed files with 27 additions and 28 deletions
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22
src/sys/file.c
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@ -55,7 +55,7 @@ VOID FspFileNodeRename(FSP_FILE_NODE *FileNode, PUNICODE_STRING NewFileName);
VOID FspFileNodeGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo);
BOOLEAN FspFileNodeTryGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo);
VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo);
const FSP_FSCTL_FILE_INFO *FileInfo, BOOLEAN TruncateOnClose);
BOOLEAN FspFileNodeTrySetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo, ULONG InfoChangeNumber);
BOOLEAN FspFileNodeReferenceSecurity(FSP_FILE_NODE *FileNode, PCVOID *PBuffer, PULONG PSize);
@ -1416,7 +1416,7 @@ BOOLEAN FspFileNodeTryGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *
}
VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo)
const FSP_FSCTL_FILE_INFO *FileInfo, BOOLEAN TruncateOnClose)
{
PAGED_CODE();
@ -1430,8 +1430,20 @@ VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
FsvolDeviceExtension->VolumeParams.SectorsPerAllocationUnit;
AllocationSize = (AllocationSize + AllocationUnit - 1) / AllocationUnit * AllocationUnit;
FileNode->Header.AllocationSize.QuadPart = AllocationSize;
FileNode->Header.FileSize.QuadPart = FileInfo->FileSize;
if (TruncateOnClose)
{
if ((UINT64)FileNode->Header.AllocationSize.QuadPart != AllocationSize ||
(UINT64)FileNode->Header.FileSize.QuadPart != FileInfo->FileSize)
FileNode->TruncateOnClose = TRUE;
FileNode->Header.AllocationSize.QuadPart = AllocationSize;
FileNode->Header.FileSize.QuadPart = FileInfo->FileSize;
}
else
{
FileNode->Header.AllocationSize.QuadPart = AllocationSize;
FileNode->Header.FileSize.QuadPart = FileInfo->FileSize;
}
FileNode->FileInfoExpirationTime = FileNode->BasicInfoExpirationTime =
FspExpirationTimeFromMillis(FsvolDeviceExtension->VolumeParams.FileInfoTimeout);
@ -1521,7 +1533,7 @@ BOOLEAN FspFileNodeTrySetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileOb
if (FspFileNodeFileInfoChangeNumber(FileNode) != InfoChangeNumber)
return FALSE;
FspFileNodeSetFileInfo(FileNode, CcFileObject, FileInfo);
FspFileNodeSetFileInfo(FileNode, CcFileObject, FileInfo, FALSE);
return TRUE;
}