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Re: fs change on read-only mount

from [Christoph Hellwig] [Permanent Link][Original]
To: Bgs <bgs@xxxxxx>
Subject: Re: fs change on read-only mount
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 13 Aug 2009 09:49:18 -0400
Cc: SGI Project XFS mailing list <xfs@xxxxxxxxxxx>
In-reply-to: <4A84195C.8070002@xxxxxx>
References: <4A84090A.6040601@xxxxxx> <20090813131407.GA1088@xxxxxxxxxxxxx> <4A84195C.8070002@xxxxxx>
User-agent: Mutt/1.5.19 (2009-01-05) 
On Thu, Aug 13, 2009 at 03:47:08PM +0200, Bgs wrote:
> 
>  Thanks for the fast answer.
> 
> So the following scenarios should be ok:
> 
> 1) Normal boot (no crash, previous mount was ro as well, journal empty)
> -> mount ro from the beginning => partition hash stays the same
> 
> 2) Mount rw at any point -> make changes -> remount ro -> sync -> create
>  new hash -> next boot with ro mount has this new hash.

Yes.
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