VOID
PvfsIrpMarkPending(
IN PPVFS_IRP_CONTEXT pIrpContext,
IN PIO_IRP_CALLBACK CancelCallback,
IN OPTIONAL PVOID CancelCallbackContext
)
{
BOOLEAN bPendIrp = FALSE;
bPendIrp = PvfsIrpContextMarkIfNotSetFlag(
pIrpContext,
PVFS_IRP_CTX_FLAG_PENDED,
PVFS_IRP_CTX_FLAG_PENDED);
if (bPendIrp)
{
IoIrpMarkPending(
pIrpContext->pIrp,
CancelCallback,
CancelCallbackContext);
}
}
static
VOID
PvfsNotifyFullReportIrp(
PPVFS_FCB pFcb,
PPVFS_FCB pReportParentFcb,
PPVFS_NOTIFY_REPORT_RECORD pReport
)
{
NTSTATUS ntError = STATUS_UNSUCCESSFUL;
PLW_LIST_LINKS pFilterLink = NULL;
PLW_LIST_LINKS pNextLink = NULL;
PPVFS_NOTIFY_FILTER_RECORD pFilter = NULL;
BOOLEAN bActive = FALSE;
BOOLEAN bLocked = FALSE;
LWIO_LOCK_MUTEX(bLocked, &pFcb->BaseControlBlock.Mutex);
pFilterLink = PvfsListTraverse(pFcb->pNotifyListIrp, NULL);
while(pFilterLink)
{
pFilter = LW_STRUCT_FROM_FIELD(
pFilterLink,
PVFS_NOTIFY_FILTER_RECORD,
NotifyList);
pNextLink = PvfsListTraverse(pFcb->pNotifyListIrp, pFilterLink);
/* Continue if we don't match the filter and depth */
if (!((pFilter->NotifyFilter & pReport->Filter) &&
((pFcb == pReportParentFcb) || pFilter->bWatchTree)))
{
pFilter = NULL;
pFilterLink = pNextLink;
continue;
}
PvfsListRemoveItem(pFcb->pNotifyListIrp, pFilterLink);
LWIO_UNLOCK_MUTEX(bLocked, &pFcb->BaseControlBlock.Mutex);
pFilterLink = NULL;
PvfsQueueCancelIrpIfRequested(pFilter->pIrpContext);
bActive = PvfsIrpContextMarkIfNotSetFlag(
pFilter->pIrpContext,
PVFS_IRP_CTX_FLAG_CANCELLED,
PVFS_IRP_CTX_FLAG_ACTIVE);
if (!bActive)
{
PvfsFreeNotifyRecord(&pFilter);
pFilterLink = pNextLink;
continue;
}
ntError = PvfsNotifyReportIrp(
pFilter->pIrpContext,
pReport->Action,
pReport->pszFilename);
BAIL_ON_NT_STATUS(ntError);
/* If we have been asked to buffer changes, move the Fitler Record
to the buffer list */
if (pFilter->Buffer.Length > 0)
{
LWIO_LOCK_MUTEX(bLocked, &pFcb->BaseControlBlock.Mutex);
ntError = PvfsListAddTail(pFcb->pNotifyListBuffer, pFilterLink);
LWIO_UNLOCK_MUTEX(bLocked, &pFcb->BaseControlBlock.Mutex);
BAIL_ON_NT_STATUS(ntError);
pFilter = NULL;
}
/* We only process on matching IRP */
break;
}
cleanup:
LWIO_UNLOCK_MUTEX(bLocked, &pFcb->BaseControlBlock.Mutex);
if (pFilter)
{
PvfsFreeNotifyRecord(&pFilter);
}
return;
error:
goto cleanup;
}
