Changeset 6481 in vbox

Timestamp:

Jan 24, 2008 2:24:54 PM (17 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

27482

Message:

vdi: when creating a fixed-size image, check for available space before starting to create the image

File:

• trunk/src/VBox/Devices/Storage/VDICore.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Storage/VDICore.cpp

@@ -423 +423 @@
         uint64_t cbLock = pImage->offStartData
                         + ((uint64_t)getImageBlocks(&pImage->Header) << pImage->uShiftIndex2Offset);
+
+        if (enmType == VDI_IMAGE_TYPE_FIXED)
+        {
+            /* check the free space on the disk and leave early if there is not
+             * sufficient space available */
+            RTFOFF cbFree = 0;
+            rc = RTFsQuerySizes(pszFilename, NULL, &cbFree, NULL, NULL);
+            if (VBOX_SUCCESS(rc) /* ignore errors */ && ((uint64_t)cbFree < cbLock))
+            {
+                rc = VERR_DISK_FULL;
+                cbLock = 0;
+                goto l_create_failed;
+            }
+        }
+
         rc = RTFileLock(pImage->File,
                         RTFILE_LOCK_WRITE | RTFILE_LOCK_IMMEDIATELY, 0, cbLock);
@@ -437 +452 @@
              * effective than expanding file by write operations.
              */
-            rc = RTFileSetSize(pImage->File,
-                               pImage->offStartData
-                             + ((uint64_t)getImageBlocks(&pImage->Header) << pImage->uShiftIndex2Offset));
+            rc = RTFileSetSize(pImage->File, cbLock);
         }
         else