set creation time

weed/filer/filer.go

@@ -238,6 +238,7 @@ func (f *Filer) CreateEntry(ctx context.Context, entry *Entry, o_excl bool, isFr
 
 func (f *Filer) UpdateEntry(ctx context.Context, oldEntry, entry *Entry) (err error) {
 	if oldEntry != nil {
+		entry.Attr.Crtime = oldEntry.Attr.Crtime
 		if oldEntry.IsDirectory() && !entry.IsDirectory() {
 			glog.Errorf("existing %s is a directory", entry.FullPath)
 			return fmt.Errorf("existing %s is a directory", entry.FullPath)

weed/server/filer_server_handlers_write_autochunk.go

@@ -147,19 +147,12 @@ func (fs *FilerServer) saveMetaData(ctx context.Context, r *http.Request, fileNa
 		}
 	}
 
-	// fix the crTime
-	existingEntry, err := fs.filer.FindEntry(ctx, util.FullPath(path))
-	crTime := time.Now()
-	if err == nil && existingEntry != nil {
-		crTime = existingEntry.Crtime
-	}
-
 	glog.V(4).Infoln("saving", path)
 	entry := &filer.Entry{
 		FullPath: util.FullPath(path),
 		Attr: filer.Attr{
 			Mtime:       time.Now(),
-			Crtime:      crTime,
+			Crtime:      time.Now(),
 			Mode:        os.FileMode(mode),
 			Uid:         OS_UID,
 			Gid:         OS_GID,