Changeset 77256 in vbox for trunk/src/VBox/Runtime/common/dvm/dvm.cpp

Timestamp:

Feb 11, 2019 12:19:52 PM (6 years ago)

Author:

vboxsync

Message:

Runtime/RTDvm: Add flag to indicate that a volume is contiguous on the underlying medium and add method to query start and end offset of the volume

File:

• trunk/src/VBox/Runtime/common/dvm/dvm.cpp (modified) (2 diffs)

trunk/src/VBox/Runtime/common/dvm/dvm.cpp

@@ -380 +380 @@
             }
 
-            /** @todo shouldn't we close the format too here?  */
+            pDvmFmtOpsMatch->pfnClose(pThis->hVolMgrFmt);
         }
     }
@@ -663 +663 @@
 }
 
+RTDECL(int) RTDvmVolumeQueryRange(RTDVMVOLUME hVol, uint64_t *poffStart, uint64_t *poffEnd)
+{
+    PRTDVMVOLUMEINTERNAL pThis = hVol;
+    AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
+    AssertReturn(pThis->u32Magic == RTDVMVOLUME_MAGIC, VERR_INVALID_HANDLE);
+    AssertPtrReturn(poffStart, VERR_INVALID_POINTER);
+    AssertPtrReturn(poffEnd, VERR_INVALID_POINTER);
+
+    return pThis->pVolMgr->pDvmFmtOps->pfnVolumeQueryRange(pThis->hVolFmt, poffStart, poffEnd);
+}
+
 RTDECL(int) RTDvmVolumeRead(RTDVMVOLUME hVol, uint64_t off, void *pvBuf, size_t cbRead)
 {