Changeset 43858 in vbox for trunk/src

Timestamp:

Nov 12, 2012 4:14:29 PM (12 years ago)

Author:

vboxsync

Message:

AsyncCompletion: Log if async flushes are disabled and fix endless loop if a request is not aligned to a 512 byte boundary

File:

• trunk/src/VBox/VMM/VMMR3/PDMAsyncCompletionFileNormal.cpp (modified) (3 diffs)

trunk/src/VBox/VMM/VMMR3/PDMAsyncCompletionFileNormal.cpp

@@ -999 +999 @@
                     if (RT_FAILURE(rc))
                     {
+                        LogRel(("AIOMgr: Preparing flush failed with %Rrc, disabling async flushes\n", rc));
                         pEndpoint->fAsyncFlushSupported = false;
                         pdmacFileAioMgrNormalRequestFree(pAioMgr, hReq);
@@ -1350 +1351 @@
         if (pTask->enmTransferType == PDMACTASKFILETRANSFER_FLUSH)
         {
-            LogFlow(("Async flushes are not supported for this endpoint, disabling\n"));
+            LogRel(("AIOMgr: Flush failed with %Rrc, disabling async flushes\n", rc));
             pEndpoint->fAsyncFlushSupported = false;
             AssertMsg(pEndpoint->pFlushReq == pTask, ("Failed flush request doesn't match active one\n"));
@@ -1498 +1499 @@
                 /* Write it now. */
                 pTask->fPrefetch = false;
-                size_t cbToTransfer = RT_ALIGN_Z(pTask->DataSeg.cbSeg, 512);
                 RTFOFF offStart = pTask->Off & ~(RTFOFF)(512-1);
+                size_t cbToTransfer = RT_ALIGN_Z(pTask->DataSeg.cbSeg + (pTask->Off - offStart), 512);
 
                 /* Grow the file if needed. */