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sys: IRP_MJ_QUERY_INFORMATION

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This commit is contained in:
Bill Zissimopoulos
2016-02-03 13:53:47 -08:00
parent 72e0d5a96b
commit 25aabc2b4f
3 changed files with 152 additions and 187 deletions
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16
src/sys/file.c
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@ -24,6 +24,8 @@ VOID FspFileNodeGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileIn
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);
BOOLEAN FspFileNodeTrySetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo, ULONG InfoChangeNumber);
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc);
VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
@ -42,6 +44,7 @@ VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
#pragma alloc_text(PAGE, FspFileNodeGetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeTryGetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeSetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeTrySetFileInfo)
#pragma alloc_text(PAGE, FspFileDescCreate)
#pragma alloc_text(PAGE, FspFileDescDelete)
#endif
@ -412,12 +415,25 @@ VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
FileNode->ChangeTime = FileInfo->ChangeTime;
FileNode->InfoExpirationTime = 0 != FileInfoTimeout ?
KeQueryInterruptTime() + FileInfoTimeout : 0;
FileNode->InfoChangeNumber++;
if (0 != CcFileObject)
FileNode->CcStatus = FspCcSetFileSizes(
CcFileObject, (PCC_FILE_SIZES)&FileNode->Header.AllocationSize);
}
BOOLEAN FspFileNodeTrySetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo, ULONG InfoChangeNumber)
{
PAGED_CODE();
if (FileNode->InfoChangeNumber != InfoChangeNumber)
return FALSE;
FspFileNodeSetFileInfo(FileNode, CcFileObject, FileInfo);
return TRUE;
}
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc)
{
PAGED_CODE();