linux-kernel - Re: [PATCH V4] Allow SysRq emergency thaw to thaw frozen filesystems

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Message-ID: <20090203114829.GG11926@shareable.org>
Date:	Tue, 3 Feb 2009 11:48:29 +0000
From:	Jamie Lokier <jamie@...reable.org>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	t-sato@...jp.nec.com
Subject: Re: [PATCH V4] Allow SysRq emergency thaw to thaw frozen filesystems

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
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