Re: [PATCH V4] Allow SysRq emergency thaw to thaw frozenfilesystems

From: Dave Chinner
Date: Tue Feb 03 2009 - 16:21:48 EST


On Tue, Feb 03, 2009 at 11:48:29AM +0000, Jamie Lokier wrote:
> 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?
^^^^^^
That's a freeze, right? ;)

Anyway, I think you could use /proc/sysrq-trigger in that situation.

Cheers,

Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/