From: Richard Purdie <rpurdie@rpsys.net>
To: Pavel Machek <pavel@ucw.cz>
Cc: Pierre Ossman <drzeus-mmc@drzeus.cx>,
kernel list <linux-kernel@vger.kernel.org>
Subject: Re: MMC/SD Root filesystem suspend/resume problems
Date: Wed, 25 Jul 2007 20:20:42 +0100 [thread overview]
Message-ID: <1185391242.6190.17.camel@localhost.localdomain> (raw)
In-Reply-To: <20070725190115.GB10208@ucw.cz>
On Wed, 2007-07-25 at 19:01 +0000, Pavel Machek wrote:
> > I enabled the MMC_UNSAFE_RESUME option and the problems I was seeing was
> > "fixed". I think having this option is a bad idea (in its current form)
> > as it doesn't actually stop filesystem corruption.
> >
> > With the option disabled, if a filesystem is mounted when you suspend my
> > tests show the filesystem is corrupted. At least if the option is
> > enabled, the filesystem is only corrupted if you remove the card whilst
> > suspended which is more preferable.
>
> Are we talking _corruption_ here, or are we talking 'the kind of
> corruption recoverable by fsck that happens on powerfail'?
There was more damage to the system than just a dirty bit set. Yes, fsck
could fix it but I don't think it should happen in the first place...
Richard
next prev parent reply other threads:[~2007-07-25 19:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-19 15:53 MMC/SD Root filesystem suspend/resume problems Richard Purdie
2007-07-19 16:42 ` Richard Purdie
2007-07-19 17:03 ` Pierre Ossman
2007-07-22 13:18 ` Richard Purdie
2007-07-22 14:05 ` Pierre Ossman
2007-07-22 14:28 ` Richard Purdie
2007-07-22 14:59 ` Pierre Ossman
2007-07-25 19:01 ` Pavel Machek
2007-07-25 19:20 ` Richard Purdie [this message]
2007-07-25 22:47 ` Pavel Machek
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