.

wcfs/wcfs.go

@@ -895,10 +895,10 @@ retry:
 	// XXX for f in δF: f.δtail.ForgetPast(...)
 
 	// notify zhead.At waiters
-	for w := range head.hwait {
-		if w.at <= δZ.Tid {
-			delete(head.hwait, w)
-			close(w.ready)
+	for hw := range head.hwait {
+		if hw.at <= δZ.Tid {
+			delete(head.hwait, hw)
+			close(hw.ready)
 		}
 	}
 
@@ -1384,7 +1384,7 @@ func (w *Watch) _pin(ctx context.Context, blk int64, rev zodb.Tid) (err error) {
 }
 
 // readPinWatchers complements readBlk: it sends `pin blk` for watchers of the file
-// after a block was loaded from ZODB and before block data is returned to kernel.
+// after a block was loaded from ZODB but before block data is returned to kernel.
 //
 // See "7.2) for all registered client@at watchers ..."
 //
@@ -1407,7 +1407,7 @@ func (f *BigFile) readPinWatchers(ctx context.Context, blk int64, treepath []btr
 	bfdir.δFtail.Track(f, blk, treepath, zblk)	// XXX pass in zblk.rev here?
 	bfdir.δFmu.Unlock()
 
-	// makes sure that file[blk] on clients side stays as of @w.at state.
+	// make sure that file[blk] on clients side stays as of @w.at state.
 
 	// try to use blkrevMax only as the first cheap criteria to skip updating watchers.
 	// This is likely to be the case, since most watchers should be usually close to head.
@@ -1534,7 +1534,7 @@ func (wlink *WatchLink) setupWatch(ctx context.Context, foid zodb.Oid, at zodb.T
 	// request exclusive access to the watch to change .at and compute pins.
 	// The lock will be downgraded from W to R after pins computation is done.
 	// Pins will be executed with atMu.R only - with the idea not to block
-	// other client that read-access the file simultaneously to setupWatch.
+	// other clients that read-access the file simultaneously to setupWatch.
 	w.atMu.Lock()
 
 	// check at >= w.at