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sys: IRP_MJ_CLEANUP

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This commit is contained in:
Bill Zissimopoulos 2016-01-04 14:59:06 -08:00
parent 162fd3e8c8
commit 707e53d99f
1 changed files with 30 additions and 2 deletions
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28
src/sys/cleanup.c
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@ -53,8 +53,14 @@ static NTSTATUS FspFsvolCleanup(
if (!FspFileContextIsValid(IrpSp->FileObject->FsContext)) if (!FspFileContextIsValid(IrpSp->FileObject->FsContext))
return STATUS_SUCCESS; return STATUS_SUCCESS;
NTSTATUS Result;
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
BOOLEAN FileNameRequired = 0 != FsvolDeviceExtension->VolumeParams.FileNameRequired;
PFILE_OBJECT FileObject = IrpSp->FileObject; PFILE_OBJECT FileObject = IrpSp->FileObject;
FSP_FILE_CONTEXT *FsContext = FileObject->FsContext; FSP_FILE_CONTEXT *FsContext = FileObject->FsContext;
UINT64 UserContext = FsContext->UserContext;
UINT64 UserContext2 = (UINT_PTR)FileObject->FsContext2;
FSP_FSCTL_TRANSACT_REQ *Request;
LONG OpenCount; LONG OpenCount;
/* all handles on this FileObject are gone; close the FileObject */ /* all handles on this FileObject are gone; close the FileObject */
@ -69,10 +75,32 @@ static NTSTATUS FspFsvolCleanup(
FspFsvolDeviceUnlockContextTable(FsvolDeviceObject); FspFsvolDeviceUnlockContextTable(FsvolDeviceObject);
} }
/* create the user-mode file system request */
Result = FspIopCreateRequest(Irp, FileNameRequired ? &FsContext->FileName : 0, 0, &Request);
if (!NT_SUCCESS(Result))
{
/*
* This really should NOT, but can theoretically happen. One way around it would be to
* preallocate the Request at IRP_MJ_CREATE time. Unfortunately this becomes more
* complicated because of the FileNameRequired functionality.
*/
#if DBG
DEBUGLOG("FileObject=%p, UserContext=%llx, UserContext2=%llx: "
"error: the user-mode file system handle will be leaked!",
FileObject, UserContext, UserContext2);
#endif
Irp->IoStatus.Information = 0; Irp->IoStatus.Information = 0;
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
/* populate the Cleanup request */
Request->Kind = FspFsctlTransactCleanupKind;
Request->Req.Cleanup.UserContext = UserContext;
Request->Req.Cleanup.UserContext2 = UserContext2;
return STATUS_PENDING;
}
VOID FspFsvolCleanupComplete( VOID FspFsvolCleanupComplete(
PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response) PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response)
{ {