linux-kernel - Re: [PATCH v2] Btrfs: allow mount -o remount,compress=no

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Message-ID: <20120416144233.GC20982@twin.jikos.cz>
Date:	Mon, 16 Apr 2012 16:42:35 +0200
From:	David Sterba <dave@...os.cz>
To:	Arnd Hannemann <arnd@...dnet.de>
Cc:	dave@...os.cz, chris.mason@...cle.com, linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] Btrfs: allow mount -o remount,compress=no

On Mon, Apr 16, 2012 at 03:27:51PM +0200, Arnd Hannemann wrote:
> Btrfs allows to turn on compression on a mounted and used filesystem
> by issuing mount -o remount,compress=lzo.
> This patch allows to turn compression off again
> while the filesystem is mounted. As suggested by David Sterba
> if the compress-force option was set, it is implicitly cleared
> if compression is turned off.
> 
> Signed-off-by: Arnd Hannemann <arnd@...dnet.de>

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

worked perfectly, remounting back and forth with compress=lzo =no
-force=lzo etc, checked output via 'mount'.


david
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