Changeset 46112 in vbox

Timestamp:

May 15, 2013 10:06:35 PM (12 years ago)

Author:

vboxsync

Message:

Storage: Fix race condition causing I/O hangs

File:

• trunk/src/VBox/Storage/VD.cpp (modified) (1 diff)

trunk/src/VBox/Storage/VD.cpp

@@ -1522 +1522 @@
         }
     }
+
+    /*
+     * vdIoCtxProcessLocked() never returns VINF_SUCCESS.
+     * If the status code is still set and a valid I/O context was given
+     * it was not found on the list (another thread cleared it already).
+     * Return I/O in progress status code in that case.
+     */
+    if (rc == VINF_SUCCESS && pIoCtxRc)
+        rc = VERR_VD_ASYNC_IO_IN_PROGRESS;
 
     LogFlowFunc(("returns rc=%Rrc\n", rc));