.

wcfs/wcfs.go

@@ -353,7 +353,8 @@ package main
 //
 //
 //	XXX we delay recomputing δFtail.LastBlkRev(file, #blk, head) because
-//	just cheap revmax estimate can frequently result in all watches being skipped.
+//	using just cheap revmax estimate can frequently result in all watches
+//	being skipped.
 //
 //   7.2) for all registered client@at watchers of head/bigfile/file:
 //
@@ -508,7 +509,7 @@ type BigFileDir struct {
 	fileMu  sync.Mutex
 	fileTab map[zodb.Oid]*BigFile
 
-	// δ of tracked BTree nodes of all BigFiles + -> which file
+	// δ tail of tracked BTree nodes of all BigFiles + -> which file
 	// (used only for head/, not revX/)
 	δFmu   sync.RWMutex
 	δFtail *ΔFtail
@@ -802,9 +803,9 @@ retry:
 	// XXX no indexMu lock needed because head is Locked
 	// XXX stub -> TODO full δbtree | update indexLooked itself
 	//fmt.Printf("\nbtreeChangev: %v\n", btreeChangev)
-	δf := bfdir.δFtail.Update(δZ)
+	δF := bfdir.δFtail.Update(δZ)
 	//fmt.Printf("xfiles: %v\n", xfiles)
-	for file, δfile := range δf.Change {
+	for file, δfile := range δF.Change {
 		// XXX use δfile blocks
 		_ = δfile
 		finv, ok := toinvalidate[file]