From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: "J. R. Okajima" Subject: Re: Why is the length of max mount option a page size?? To: Jungsub Shin Cc: viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20180529002456.GA30767@supsup-VirtualBox> References: <20180521173959.GA12779@supsup-VirtualBox> <5670.1527244930@jrobl> <20180529002456.GA30767@supsup-VirtualBox> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <7802.1527556471.1@jrobl> Date: Tue, 29 May 2018 10:14:31 +0900 Message-ID: <7803.1527556471@jrobl> Sender: linux-kernel-owner@vger.kernel.org List-ID: Jungsub Shin: > I suffered this problem below environments. > ------------------------------------------------------------------------ > OS : Ubuntu 18.04 LTS / 4.15.0-20-generic / 64bit > AUFS module parameter : brs =3D 1 / allow_userns =3D N > Mount command : mount -t aufs -o br=3D~/tca_agent/container_rw_dir/51509032= ::: (very long command line) For such long branches, try "remount,append" option. # mount -t aufs -o br=br0:br1:br2...:brN none /mntpnt # mount -o remount,append=brN+1 /mntpnt # mount -o remount,append=brN+2 /mntpnt ::: J. R. Okajima