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From: Kusanagi Kouichi <slash@ac.auone-net.jp>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fs: Don't ignore MS_RDONLY in bind and not remount case.
Date: Fri, 30 Oct 2009 17:56:41 +0900	[thread overview]
Message-ID: <20091030085644.2157915C033@msa104.auone-net.jp> (raw)
In-Reply-To: <20091030055337.GA3406@infradead.org>

On 2009-10-30 01:53:37 -0400, Christoph Hellwig wrote:
> On Fri, Oct 30, 2009 at 02:31:46PM +0900, Kusanagi Kouichi wrote:
> > A readonly bind mount needed to be created in 2 steps
> > 
> > # mount --bind
> > # mount --bind -o remount,ro
> > 
> > instead of single
> > 
> > # mount --bind -o ro
> > 
> > because MS_RDONLY is ignored in bind and not remount case.
> 
> I'm pretty sure that was intentional, but I don't remember why anymore.

I could not find any reason to restrict this.
Could you tell me the reason of this restriction?

      reply	other threads:[~2009-10-30  8:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-30  5:31 Kusanagi Kouichi
2009-10-30  5:53 ` Christoph Hellwig
2009-10-30  8:56   ` Kusanagi Kouichi [this message]

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