linux-kernel - Re: [PATCH v2 4/6] Btrfs: fail on mismatched subvol and subvolid mount options

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Message-ID: <20150511160955.GS23255@twin.jikos.cz>
Date:	Mon, 11 May 2015 18:09:55 +0200
From:	David Sterba <dsterba@...e.cz>
To:	Omar Sandoval <osandov@...ndov.com>
Cc:	Chris Mason <clm@...com>, Josef Bacik <jbacik@...com>,
	David Sterba <dsterba@...e.cz>, linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org, Qu Wenruo <quwenruo@...fujitsu.com>
Subject: Re: [PATCH v2 4/6] Btrfs: fail on mismatched subvol and subvolid
 mount options

On Thu, Apr 09, 2015 at 02:34:54PM -0700, Omar Sandoval wrote:
> There's nothing to stop a user from passing both subvol= and subvolid=
> to mount, but if they don't refer to the same subvolume, someone is
> going to be surprised at some point. Error out on this case, but allow
> users to pass in both if they do match (which they could, for example,
> get out of /proc/mounts).
> 
> Signed-off-by: Omar Sandoval <osandov@...ndov.com>

Reviewed-by: David Sterba <dsterba@...e.cz>
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