From c6e8225a2090acce1e97ff110c5b4999e1d1c408 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Tue, 12 Nov 2019 21:05:48 -0800
Subject: [PATCH] adjust memory mapped file size

related to https://github.com/chrislusf/seaweedfs/pull/1087
---
 weed/storage/backend/memory_map/memory_map_backend.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/weed/storage/backend/memory_map/memory_map_backend.go b/weed/storage/backend/memory_map/memory_map_backend.go
index 3f475d79f..57e3faedd 100644
--- a/weed/storage/backend/memory_map/memory_map_backend.go
+++ b/weed/storage/backend/memory_map/memory_map_backend.go
@@ -50,7 +50,7 @@ func (mmf *MemoryMappedFile) Close() error {
 func (mmf *MemoryMappedFile) GetStat() (datSize int64, modTime time.Time, err error) {
 	stat, e := mmf.mm.File.Stat()
 	if e == nil {
-		return stat.Size(), stat.ModTime(), nil
+		return mmf.mm.End_of_file+1, stat.ModTime(), nil
 	}
 	return 0, time.Time{}, err
 }