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sys: IRP_MJ_CLEANUP: properly perform CcUninitializeCacheMap

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This commit is contained in:
Bill Zissimopoulos
2016-03-03 17:04:04 -08:00
parent bc9f983285
commit 98ebfed65b
4 changed files with 193 additions and 21 deletions
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49
src/sys/file.c
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@ -18,8 +18,10 @@ VOID FspFileNodeReleaseF(FSP_FILE_NODE *FileNode, ULONG Flags);
VOID FspFileNodeReleaseOwnerF(FSP_FILE_NODE *FileNode, ULONG Flags, PVOID Owner);
FSP_FILE_NODE *FspFileNodeOpen(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
UINT32 GrantedAccess, UINT32 ShareAccess, NTSTATUS *PResult);
VOID FspFileNodeClose(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
VOID FspFileNodeCleanup(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
PBOOLEAN PDeletePending);
VOID FspFileNodeClose(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
PBOOLEAN PDeletedFromContextTable);
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);
@ -45,6 +47,7 @@ VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
#pragma alloc_text(PAGE, FspFileNodeReleaseF)
#pragma alloc_text(PAGE, FspFileNodeReleaseOwnerF)
#pragma alloc_text(PAGE, FspFileNodeOpen)
#pragma alloc_text(PAGE, FspFileNodeCleanup)
#pragma alloc_text(PAGE, FspFileNodeClose)
#pragma alloc_text(PAGE, FspFileNodeRename)
#pragma alloc_text(PAGE, FspFileNodeGetFileInfo)
@ -380,8 +383,38 @@ FSP_FILE_NODE *FspFileNodeOpen(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
return OpenedFileNode;
}
VOID FspFileNodeClose(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
VOID FspFileNodeCleanup(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
PBOOLEAN PDeletePending)
{
/*
* Determine whether a FileNode should be deleted. Note that when
* FileNode->DeletePending is set, the OpenCount cannot be changed
* because FspFileNodeOpen() will return STATUS_DELETE_PENDING.
*/
PAGED_CODE();
PDEVICE_OBJECT FsvolDeviceObject = FileNode->FsvolDeviceObject;
FSP_FILE_DESC *FileDesc = FileObject->FsContext2;
BOOLEAN DeletePending, SingleOpen;
FspFsvolDeviceLockContextTable(FsvolDeviceObject);
if (FileDesc->DeleteOnClose)
FileNode->DeletePending = TRUE;
DeletePending = 0 != FileNode->DeletePending;
MemoryBarrier();
SingleOpen = 1 == FileNode->OpenCount;
FspFsvolDeviceUnlockContextTable(FsvolDeviceObject);
if (0 != PDeletePending)
*PDeletePending = SingleOpen && DeletePending;
}
VOID FspFileNodeClose(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
PBOOLEAN PDeletedFromContextTable)
{
/*
* Close the FileNode. If the OpenCount becomes zero remove it
@ -391,16 +424,10 @@ VOID FspFileNodeClose(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
PAGED_CODE();
PDEVICE_OBJECT FsvolDeviceObject = FileNode->FsvolDeviceObject;
FSP_FILE_DESC *FileDesc = FileObject->FsContext2;
BOOLEAN Deleted = FALSE, DeletePending;
BOOLEAN Deleted = FALSE;
FspFsvolDeviceLockContextTable(FsvolDeviceObject);
if (FileDesc->DeleteOnClose)
FileNode->DeletePending = TRUE;
DeletePending = 0 != FileNode->DeletePending;
MemoryBarrier();
IoRemoveShareAccess(FileObject, &FileNode->ShareAccess);
if (0 == --FileNode->OpenCount)
FspFsvolDeviceDeleteContextByName(FsvolDeviceObject, &FileNode->FileName, &Deleted);
@ -410,8 +437,8 @@ VOID FspFileNodeClose(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
if (Deleted)
FspFileNodeDereference(FileNode);
if (0 != PDeletePending)
*PDeletePending = Deleted && DeletePending;
if (0 != PDeletedFromContextTable)
*PDeletedFromContextTable = Deleted;
}
VOID FspFileNodeRename(FSP_FILE_NODE *FileNode, PUNICODE_STRING NewFileName)