a little optimization

weed/server/filer_server_handlers_read.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/util/mem"
 	"io"
+	"math"
 	"mime"
 	"net/http"
 	"path/filepath"
@@ -124,7 +125,7 @@ func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 		if query.Get("resolveManifest") == "true" {
 			if entry.Chunks, _, err = filer.ResolveChunkManifest(
 				fs.filer.MasterClient.GetLookupFileIdFunction(),
-				entry.Chunks, 0, int64(entry.Size())); err != nil {
+				entry.Chunks, 0, math.MaxInt64); err != nil {
 				err = fmt.Errorf("failed to resolve chunk manifest, err: %s", err.Error())
 				writeJsonError(w, r, http.StatusInternalServerError, err)
 			}