.

wcfs/δbtail.go

@@ -104,8 +104,7 @@ type ΔBtail struct {
 // ΔB represents a change in BTrees space.
 type ΔB struct {
 	Rev	zodb.Tid
-	// XXX -> ByRoot?
-	Change	map[*Tree]map[Key]Value // {} root -> {}(key, value)
+	ByRoot	map[*Tree]map[Key]Value // {} root -> {}(key, value)
 }
 
 // ΔRoots describes which BTrees were change in one revision.
@@ -224,13 +223,13 @@ func (δBtail *ΔBtail) Update(δZ *zodb.EventCommit) ΔB {
 		}
 	}
 
-	δB := ΔB{Rev: δZ.Tid, Change: make(map[*Tree]map[Key]Value)}
+	δB := ΔB{Rev: δZ.Tid, ByRoot: make(map[*Tree]map[Key]Value)}
 
 	for root := range δZByRoot {
-		δt, ok := δB.Change[root]
+		δt, ok := δB.ByRoot[root]
 		if !ok {
 			δt = make(map[Key]Value)
-			δB.Change[root] = δt
+			δB.ByRoot[root] = δt
 		}
 		// XXX stub to get file.size invalidation working
 		// TODO update δt

wcfs/δftail.go

@@ -192,7 +192,7 @@ func (δFtail *ΔFtail) Update(δZ *zodb.EventCommit, zhead *ZConn) ΔF {
 	δF := ΔF{Rev: δB.Rev, ByFile: make(map[*BigFile]*ΔFile)}
 
 	// take btree changes into account
-	for root, δt := range δB.Change {
+	for root, δt := range δB.ByRoot {
 		files := δFtail.fileIdx[root]
 		if len(files) == 0 {
 			panicf("ΔFtail: root<%s> -> ø file", root.POid())