From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f68.google.com ([74.125.82.68]:54068 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753281AbeDLPIk (ORCPT ); Thu, 12 Apr 2018 11:08:40 -0400 Received: by mail-wm0-f68.google.com with SMTP id 66so12327576wmd.3 for ; Thu, 12 Apr 2018 08:08:40 -0700 (PDT) From: Miklos Szeredi To: linux-unionfs@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 07/35] ovl: copy up file size as well Date: Thu, 12 Apr 2018 17:07:58 +0200 Message-Id: <20180412150826.20988-8-mszeredi@redhat.com> In-Reply-To: <20180412150826.20988-1-mszeredi@redhat.com> References: <20180412150826.20988-1-mszeredi@redhat.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Copy i_size of the underlying inode to the overlay inode in ovl_copyattr(). This is in preparation for stacking I/O operations on overlay files. This patch shouldn't have any observable effect. Signed-off-by: Miklos Szeredi --- fs/overlayfs/overlayfs.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 265cb288417a..10f5f3bf9d96 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -9,6 +9,7 @@ #include #include +#include #include "ovl_entry.h" enum ovl_path_type { @@ -355,6 +356,7 @@ static inline void ovl_copyattr(struct inode *from, struct inode *to) to->i_atime = from->i_atime; to->i_mtime = from->i_mtime; to->i_ctime = from->i_ctime; + i_size_write(to, i_size_read(from)); } static inline void ovl_copyflags(struct inode *from, struct inode *to) -- 2.14.3