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From: Nigel Cunningham <>
To: Henrique de Moraes Holschuh <>
Cc: Andrew Morton <>,,,
	Pavel Machek <>, "Rafael J. Wysocki" <>
Subject: Re: [patch 1/1] PM: Adds remount fs ro at suspend
Date: Wed, 07 Feb 2007 22:43:13 +1100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>


On Wed, 2007-02-07 at 09:25 -0200, Henrique de Moraes Holschuh wrote:
> On Wed, 07 Feb 2007, Nigel Cunningham wrote:
> > Ok, as far as usage scenario goes, that's fair enough. But as to the
> > solution, I wonder though whether it's making life more complicated than
> > it needs to be. After all, we should also be able to cope okay with
> > having the power suddenly go out. If we can cope with that, cleaning
> > filesystems prior to suspending should be a non-issue.
> We don't cope okay with the power going out, at all.  And as an user case, a
> need for fsck if you do something that is a reasonable use case (unplugging
> devices while suspended) is not okay, either.

Maybe it depends on the filesystem you use. I've used ext3 for 6 or so
years of development on Suspend2, and it's never given me a single
problem, despite the fact that I've sometimes done the equivalent of
pulling the plug without a sync or unmount. I did try XFS at one stage.
It's performance was better, but it did give problems. Nevertheless, I'm
more than happy to make the above claim about ext3.

> > Likewise with changes in hardware. Once hotplugging support is mature,
> > suspending, switching around hardware and resuming should just result in
> > hot[un]plug events.
> Well, if we add *move* events for when someone unplugs a usb stick in one
> port and replugs it in another while the system is in lala-land... maybe :-)
> It would be normal to do it, when dealing with docks.

Isn't that part of the point to having those uuid thingys? I hate them
at the moment (from the point of view of suspend code), but hopefully
they'll end up being nicer to deal with.

  reply	other threads:[~2007-02-07 11:43 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-02 23:50 [patch 1/1] PM: Adds remount fs ro at suspend akuster
2007-02-03  0:16 ` Andrew Morton
2007-02-03  0:35   ` Henrique de Moraes Holschuh
2007-02-05 21:28     ` Nigel Cunningham
2007-02-05 21:35       ` Christoph Hellwig
2007-02-06 14:32       ` Henrique de Moraes Holschuh
2007-02-06 18:07         ` Rafael J. Wysocki
2007-02-06 21:38         ` Nigel Cunningham
2007-02-07 11:25           ` Henrique de Moraes Holschuh
2007-02-07 11:43             ` Nigel Cunningham [this message]
2007-02-07 12:05               ` Henrique de Moraes Holschuh
2007-02-07 14:10                 ` Rafael J. Wysocki
2007-02-09 22:24             ` Pavel Machek
2007-02-13 12:12         ` Pavel Machek
2007-02-03  0:57   ` akuster
2007-02-03 10:08 ` Christoph Hellwig
2007-02-04  1:34   ` akuster
2007-02-05 16:56     ` Christoph Hellwig
2007-02-14 11:07     ` Pavel Machek
2007-02-03 16:19 ` Pavel Machek

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