linux-kernel - Re: [RFC 3/6] fs: add automatic kernel fs freeze / thaw and remove kthread freezing

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Message-ID: <c3a2616dd46103049c0c61864841370011a042cf.camel@HansenPartnership.com>
Date: Wed, 26 Mar 2025 10:37:46 -0400
From: James Bottomley <James.Bottomley@...senPartnership.com>
To: Christian Brauner <brauner@...nel.org>, Luis Chamberlain
 <mcgrof@...nel.org>
Cc: jack@...e.cz, hch@...radead.org, david@...morbit.com, rafael@...nel.org,
  djwong@...nel.org, pavel@...nel.org, song@...nel.org, 
 linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
 gost.dev@...sung.com
Subject: Re: [RFC 3/6] fs: add automatic kernel fs freeze / thaw and remove
 kthread freezing

On Wed, 2025-03-26 at 15:09 +0100, Christian Brauner wrote:
[...]
> Why do you care about efivarfs taking part in system suspend though?

I don't, I only care about intercepting thaw.  If ->thaw_super can get
called on resume without me having to provide a freeze_super, then I'm
happy.

I'd still like to know whether the thaw is for suspend or hibernate,
though.

Regards,

James