Re: [PATCH 1/3] power, vfs: move away from PF_KTHREAD freezing in favor of fs freezing

From: Oliver Neukum
Date: Sat Oct 31 2015 - 04:57:44 EST

On Fri, 2015-10-30 at 14:47 +0100, Jiri Kosina wrote:
> Basically the main argument why kthread freezer is not needed boils
> down to
> this: the only facility that is needed during suspend: "no persistent
> fs
> changes are allowed from now on".

Is that true? Drivers of character devices also may assume
that IO and suspend() wouldn't race (except in fairly clear exceptions)


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