Re: [PATCH] Allow SysRq emergency sync to thaw frozen filesystems

[Pavel Machek]

On Fri 2009-01-16 10:17:09, Valdis.Kletnieks@xxxxxx wrote:
> On Fri, 16 Jan 2009 09:48:28 +0100, Pavel Machek said:
> 
> > Emergency Sync should not do this. Invent another key.
> > 
> > ...because otherwise, if you hit emergency sync but the system is
> > still alive and relies on filesystem freezing, bad stuff will happen.
> 
> Under what conditions would a system be alive and relying on freezing,
> *and* an emergency thaw would be worse than whatever reason you're doing
> an emergency sync?

I sometimes hit emergency sync on perfectly healthy system... like
before "insmod shiny-new-guaranteed-to-work-module"... I believe
sysrq-s should not have sideffects.
									Pavel
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