Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751792AbdCCKl7 (ORCPT ); Fri, 3 Mar 2017 05:41:59 -0500 Received: from mail-wm0-f67.google.com ([74.125.82.67]:34541 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751584AbdCCKlA (ORCPT ); Fri, 3 Mar 2017 05:41:00 -0500 Date: Fri, 3 Mar 2017 11:39:03 +0100 From: Miklos Szeredi To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-unionfs@vger.kernel.org Subject: [GIT PULL] overlayfs update for 4.11 Message-ID: <20170303103903.GA30961@veci.piliscsaba.szeredi.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.7.1 (2016-10-04) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1058 Lines: 32 Hi Linus, Please pull from: git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-linus Because copy up can take a long time, serialized copy ups could be a big performance bottleneck. This update allows concurrent copy up of regular files eliminating this potential problem. There are also minor fixes. Thanks, Miklos --- Amir Goldstein (6): ovl: check if upperdir fs supports O_TMPFILE ovl: rearrange code in ovl_copy_up_locked() ovl: copy up regular file using O_TMPFILE ovl: introduce copy up waitqueue ovl: concurrent copy up of regular files ovl: properly implement sync_filesystem() Konstantin Khlebnikov (1): ovl: drop CAP_SYS_RESOURCE from saved mounter's credentials --- fs/overlayfs/copy_up.c | 91 +++++++++++++++++++++++++++++++++++------------- fs/overlayfs/overlayfs.h | 11 ++++++ fs/overlayfs/ovl_entry.h | 3 ++ fs/overlayfs/super.c | 39 +++++++++++++++++++-- fs/overlayfs/util.c | 30 ++++++++++++++++ 5 files changed, 147 insertions(+), 27 deletions(-)