.

wcfs/wcfs.go

@@ -498,7 +498,6 @@ type blkLoadState struct {
 	ready chan struct{}
 
 	blkdata  []byte
-	treepath []zodb.IPersistent // LOBTree LOBTree ... LOBucket
 	err      error
 }
 
@@ -1159,10 +1158,20 @@ func (f *BigFile) readBlk(ctx context.Context, blk int64, dest []byte) error {
 	zbf := f.zbf
 	blkdata, treepath, err := zbf.LoadBlk(ctx, blk)	// XXX -> +blkrevmax1
 	loading.blkdata = blkdata
-	loading.treepath = treepath
 	loading.err = err
 	close(loading.ready)
 
+	_ = treepath
+/*
+	blkrevmax := zodb.Tid(0)
+	for __, node := range treepath {
+		node.PActivate()	// XXX err
+		blkrevmax = max(_, node.PSerial())
+		node.PDeactivate()
+
+	}
+*/
+
 	// XXX before loading.ready?
 	blkrevmax2, _ := f.δFtail.LastRevOf(blk, zbf.PJar().At())
 	//revmax := min(blkrevmax1, blkrevmax2)

wcfs/zblk.go

@@ -452,6 +452,7 @@ func (bf *ZBigFile) LoadBlk(ctx context.Context, blk int64) (_ []byte, treePath
 	}
 	defer bf.PDeactivate()
 
+	// XXX -> GetTo(callback(node) - use node.PSerial to build maxrev + treepath)
 	xzblk, ok, treev, bucket, err := bf.blktab.GetTo(ctx, blk)
 	if err != nil {
 		return nil, nil, err