From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ryusuke Konishi <ryusuke-sG5X7nlA6pw@public.gmane.org>
Subject: Re: pp (protection period) mount option
Date: Wed, 02 Dec 2009 01:02:05 +0900 (JST)
Message-ID: <20091202.010205.38314732.ryusuke@osrg.net>
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To: david-0RIiUExYzkzCfDggNXIi3w@public.gmane.org
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On Wed, 02 Dec 2009 00:44:22 +0900 (JST), Ryusuke Konishi <ryusuke-sG5X7nlA6pw@public.gmane.org> wrote:
> Hi,
> On Sat, 28 Nov 2009 22:16:31 +0100, David Smid <david-0RIiUExYzkzCfDggNXIi3w@public.gmane.org>
> wrote:
> > Thanks you for your valuable comments.
> > 
> > You are right, of course. No kernel code changes are needed.
> > Here is my take #2.
> > 
> > David
> 
> Thank you, David.  I reviewed the patch in detail, and no worrisome
> point found.
> 
> During tests, I noticed that remount doesn't work for this option:
> 
>   For instance, after doing
> 
>   # mount -t nilfs2 -o pp=3D600 /dev/sdb1 /test
> 
>   and
> 
>   # mount -t nilfs2 -o remount,pp=3D400 /dev/sdb1 /test

Whoa, looks garbled..

>   # mount -t nilfs2 -o pp=600 /dev/sdb1 /test
>   # mount -t nilfs2 -o remount,pp=400 /dev/sdb1 /test

Ryusuke