From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jamie Lokier <jamie@shareable.org>
Subject: Re: [PATCH V4] Allow SysRq emergency thaw to thaw frozen filesystems
Date: Tue, 3 Feb 2009 11:48:29 +0000
Message-ID: <20090203114829.GG11926@shareable.org>
References: <496EB639.6090800@redhat.com> <4970E087.8020308@redhat.com> <4970E4FB.7040407@redhat.com> <20090130134009.02d4a576.akpm@linux-foundation.org> <498779D6.7010304@redhat.com>
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Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	t-sato@yk.jp.nec.com
To: Eric Sandeen <sandeen@redhat.com>
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Eric Sandeen wrote:
> The timeout thaw originally proposed did not get merged, but
> perhaps something like this would be useful in emergencies.
> 
> For example, freeze /path/to/mountpoint may freeze your
> root filesystem if you forgot that you had that unmounted.

If you don't have console access, you're just logged in remotely, is
there a way to do an emergency unthaw from a shell command?

-- Jamie