From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-fsdevel-owner@vger.kernel.org>
Received: from mail01-md.ns.itscom.net ([175.177.155.111]:59134 "EHLO
        mail01-md.ns.itscom.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1755445AbeE3Ck3 (ORCPT
        <rfc822;linux-fsdevel@vger.kernel.org>);
        Tue, 29 May 2018 22:40:29 -0400
From: "J. R. Okajima" <hooanon05g@gmail.com>
Subject: Re: Why is the length of max mount option a page size??
To: Jungsub Shin <supsup5642@gmail.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org
In-Reply-To: <20180529035703.GA32550@supsup-VirtualBox>
References: <20180521173959.GA12779@supsup-VirtualBox> <5670.1527244930@jrobl> <20180529002456.GA30767@supsup-VirtualBox> <20180529011412.GE30522@ZenIV.linux.org.uk> <20180529035703.GA32550@supsup-VirtualBox>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-ID: <5877.1527648027.1@jrobl>
Date: Wed, 30 May 2018 11:40:27 +0900
Message-ID: <5878.1527648027@jrobl>
Sender: linux-fsdevel-owner@vger.kernel.org
List-ID: <linux-fsdevel.vger.kernel.org>

Jungsub Shin:
> Do you mean using symlinks or bind mount to reduce length of mount
> options?? I can remove "~/tca_agent/image_layer_dir" string. But the
> other character means unique ID of layer and i can't compress it or
> replace it to another string. This is not fundamental solution. Docker=20

Can't it be a solution?

# mount -o bind /long/path0 /br0
# mount -o bind /long/path1 /br1
	:::
# mount -t aufs -o br=/br0:/br1:... none /mntpnt

or

# ln -s /long/path0 /br0
# ln -s /long/path1 /br1
	:::
# mount -t aufs -o br=/br0:/br1:... none /mntpnt


J. R. Okajima