Changeset 24360 in vbox

Timestamp:

Nov 4, 2009 10:37:11 PM (15 years ago)

Author:

vboxsync

Message:

AsyncCompletion: Option to enforce use of the failsafe I/O manager

File:

• trunk/src/VBox/VMM/PDMAsyncCompletionFile.cpp (modified) (1 diff)

trunk/src/VBox/VMM/PDMAsyncCompletionFile.cpp

@@ -520 +520 @@
         pEpClassFile->uBitmaskAlignment   = AioLimits.cbBufferAlignment ? ~((RTR3UINTPTR)AioLimits.cbBufferAlignment - 1) : RTR3UINTPTR_MAX;
         pEpClassFile->cReqsOutstandingMax = AioLimits.cReqsOutstandingMax;
-        pEpClassFile->fFailsafe = false;
+
+        /* The user can force the failsafe manager. */
+        rc = CFGMR3QueryBoolDef(pCfgNode, "UseFailsafeIo", &pEpClassFile->fFailsafe, false);
+        AssertLogRelRCReturn(rc, rc);
+
+        if (pEpClassFile->fFailsafe)
+            LogRel(("AIOMgr: Failsafe I/O was requested by user\n"));
     }