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From: Pavel Machek <pavel@suse.cz>
To: Jamie Lokier <jamie@shareable.org>
Cc: Andrew Morton <akpm@digeo.com>,
	mbligh@aracnet.com, ncunningham@clear.net.nz, gigerstyle@gmx.ch,
	geert@linux-m68k.org, linux-kernel@vger.kernel.org
Subject: Re: Fix SWSUSP & !SWAP
Date: Thu, 24 Apr 2003 11:34:27 +0200	[thread overview]
Message-ID: <20030424093427.GA3084@elf.ucw.cz> (raw)
In-Reply-To: <20030424090519.GI28253@mail.jlokier.co.uk>

Hi!

> > Swapfile does not work, because even readonly mount wants to replay
> > logs, and that'd be disk corruption.
> 
> I don't understand.  During suspend, you just need a list of blocks to
> write to from the swapfile.  You can get that list before starting the
> actual suspend, so that writing doesn't imply any filesystem activity.
> 
> When you're resuming, you just need a list of which disk blocks to
> resume from.  Can't that list be stored in a few blocks of the
> swapfile itself, with the only critical parameter being the first
> block number to resume from?

And how do you pass that first number? Please user could you write
this down to paper and enter it on commandline during suspend?

Okay, okay, this could be made to work. You could store pointer in
swapspace or in reserved block somewhere...
								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]

  reply	other threads:[~2003-04-24  9:23 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-23 13:51 Fix SWSUSP & !SWAP Pavel Machek
2003-04-23 14:32 ` Geert Uytterhoeven
2003-04-23 14:47   ` Pavel Machek
2003-04-23 15:56     ` gigerstyle
2003-04-23 19:41       ` Nigel Cunningham
2003-04-23 20:36         ` Marc Giger
2003-04-23 22:25           ` Nigel Cunningham
2003-04-23 23:28             ` Martin J. Bligh
2003-04-23 23:58               ` Pavel Machek
2003-04-23 23:55                 ` Martin J. Bligh
2003-04-24  0:07                 ` Andrew Morton
2003-04-24  0:17                   ` CaT
2003-04-24  0:16                     ` Nigel Cunningham
2003-04-24  0:26                       ` Randy.Dunlap
2003-04-24  0:31                         ` CaT
2003-04-24  0:38                         ` Andrew Morton
2003-04-24  0:54                           ` CaT
2003-04-24  1:06                             ` Andrew Morton
2003-04-24  8:48                           ` John Bradford
2003-04-24  0:37                       ` Andrew Morton
2003-04-24  9:12                         ` Pavel Machek
2003-04-24  9:25                           ` Andrew Morton
2003-04-24  9:35                             ` Pavel Machek
2003-04-24  9:46                               ` Andrew Morton
2003-04-24 11:13                                 ` Nigel Cunningham
2003-04-24 11:36                                   ` Andrew Morton
2003-04-24 14:26                                     ` Pavel Machek
2003-04-24 16:37                                       ` Andreas Dilger
2003-04-24 20:48                                         ` Pavel Machek
2003-04-24 21:46                                           ` Andreas Dilger
2003-04-25  1:09                                             ` Nigel Cunningham
2003-04-25 12:59                                               ` Pavel Machek
2003-04-25 16:20                                                 ` Andreas Dilger
2003-04-25 18:28                                                   ` Nigel Cunningham
2003-04-25 19:32                                                     ` Jamie Lokier
2003-04-25 19:58                                                     ` Andreas Dilger
2003-04-27 18:59                                                   ` Pavel Machek
2003-04-24 11:36                                   ` Geert Uytterhoeven
2003-04-25  1:22                                     ` H. Peter Anvin
2003-04-25  1:19                                       ` Nigel Cunningham
2003-04-25  1:31                                       ` Hua Zhong
2003-04-25 19:41                                         ` H. Peter Anvin
2003-04-25  4:27                                       ` Andreas Dilger
2003-04-25  4:33                                         ` H. Peter Anvin
2003-04-24  0:25                   ` Pavel Machek
2003-04-24  9:01                     ` Andrew Morton
2003-04-24  9:14                       ` Pavel Machek
2003-04-24  9:05                     ` Jamie Lokier
2003-04-24  9:34                       ` Pavel Machek [this message]
2003-04-24 15:22                     ` Carl-Daniel Hailfinger
2003-04-24  8:00             ` Marc Giger
  -- strict thread matches above, loose matches on Subject: below --
2003-04-23 23:47 Grover, Andrew
2003-04-24  0:03 ` Pavel Machek
2003-04-23 23:57   ` Martin J. Bligh
2003-04-24  0:25     ` Pavel Machek
2003-04-24  0:37       ` CaT
2003-04-24  0:49       ` Martin J. Bligh
2003-04-24  9:16         ` Pavel Machek
2003-04-24  0:02   ` Nigel Cunningham
2003-04-24  0:23     ` Pavel Machek
2003-04-24  0:45     ` Martin J. Bligh
2003-04-24  3:17       ` Nigel Cunningham
2003-04-24  4:37         ` Martin J. Bligh
2003-04-24  7:49           ` Marc Giger
2003-04-24  9:27           ` Pavel Machek
2003-04-24  3:49   ` David Ford
2003-04-24  6:54     ` Jörn Engel
2003-04-24  7:01     ` Elladan

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