write intent

1 files changed, 12 insertions, 3 deletions

diff --git a/db/pdfile.cpp b/db/pdfile.cpp
index 830715210f3..5462dc740bc 100644
--- a/db/pdfile.cpp
+++ b/db/pdfile.cpp
@@ -1670,15 +1670,24 @@ namespace mongo {
 
         Extent *e = r->myExtent(loc);
         if ( e->lastRecord.isNull() ) {
-            e->firstRecord = e->lastRecord = loc;
-            r->prevOfs = r->nextOfs = DiskLoc::NullOfs;
+            {
+                DiskLoc *ptr = &e->firstRecord;
+                ptr = (DiskLoc *) dur::writingPtr(ptr, sizeof(DiskLoc)*2);
+                //e->firstRecord = e->lastRecord = loc;
+                ptr[0] = ptr[1] = loc;
+            }
+            {
+                int *ip = (int*) dur::writingPtr(&r->nextOfs, 8);
+                //r->prevOfs = r->nextOfs = DiskLoc::NullOfs;
+                ip[0] = ip[1] = DiskLoc::NullOfs;
+            }
         }
         else {
             Record *oldlast = e->lastRecord.rec();
             r->prevOfs = e->lastRecord.getOfs();
             r->nextOfs = DiskLoc::NullOfs;
             oldlast->nextOfs = loc.getOfs();
-            e->lastRecord = loc;
+            e->lastRecord.writing() = loc;
         }
 
         /* todo: don't update for oplog?  seems wasteful. */