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

From: Valdis . Kletnieks
Date: Fri Jan 16 2009 - 10:35:30 EST

On Thu, 15 Jan 2009 21:59:10 CST, Eric Sandeen said:

> Oh, actually, I'd think not. If the freeze was done properly by the
> filesystem, all data was flushed, the fs was quiesced, and new IO was
> blocked. pdflush should never be visiting these...

Yes, but a lot of 'if's - and usually you're reaching for sysrq-S precisely
*because* you suspect that stuff wasn't happening properly on its own...

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