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Re: [PATCH] fix remount rw with unrecognized options

To: Eric Sandeen <sandeen@xxxxxxxxxxx>
Subject: Re: [PATCH] fix remount rw with unrecognized options
From: Christoph Hellwig <hch@xxxxxx>
Date: Mon, 13 Oct 2008 00:20:32 +0200
Cc: Christoph Hellwig <hch@xxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <48F27807.1080702@xxxxxxxxxxx>
References: <20081012123044.GA30272@xxxxxx> <48F27807.1080702@xxxxxxxxxxx>
User-agent: Mutt/1.3.28i
On Sun, Oct 12, 2008 at 05:19:51PM -0500, Eric Sandeen wrote:
> Christoph Hellwig wrote:
> > When we skip unrecognized options in xfs_fs_remount we should just break
> > out of the switch and not return because otherwise we may skip clearing
> > the xfs-internal read-only flag.  This will only show up on some
> > operations like touch because most read-only checks are done by the VFS
> > which things this filesystem is r/w.  Eventually we should replace the
> > XFS read-only flag with a helper that always checks the VFS flag to make
> > sure they can never get out of sync.
> > 
> > Bug reported and fix verified by Marcel Beister on #xfs.
> Seems reasonable.
> I think this is material?


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