From: "Holger Hoffstätte" <holger.hoffstaette@googlemail.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: Unclean shutdowns cause google-chrome profile to be corrupted in various ways
Date: Sat, 23 Aug 2014 13:09:42 +0000 (UTC) [thread overview]
Message-ID: <pan.2014.08.23.13.09.42@googlemail.com> (raw)
In-Reply-To: 20140823123249.GJ3875@merlins.org
On Sat, 23 Aug 2014 05:32:49 -0700, Marc MERLIN wrote:
> [snip]
> Thanks for that data point, so that rules out discard and SSDs.
>
> Given that, it sounds like btrfs may still have a bug where everything
> does not get to disk in the right order before the system stops.
A popular candidate for this is mmap'ed IO (almost always a bad idea,
certainly for writes). This almost always goes wrong one way or the
other, depending on filesystem + block/VFS/mm bugs of the day.
-h
next prev parent reply other threads:[~2014-08-23 13:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-22 15:50 Unclean shutdowns cause google-chrome profile to be corrupted in various ways Marc MERLIN
2014-08-22 17:32 ` Eric Sandeen
2014-08-22 18:46 ` Marc MERLIN
2014-08-22 18:17 ` Duncan
2014-08-22 18:49 ` Marc MERLIN
2014-08-23 2:52 ` Duncan
2014-08-23 3:10 ` Marc MERLIN
2014-08-23 5:45 ` Naohiro Aota
2014-08-23 12:32 ` Marc MERLIN
2014-08-23 13:09 ` Holger Hoffstätte [this message]
2014-08-23 5:56 ` Duncan
2014-08-23 12:34 ` Marc MERLIN
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