linux-ext4 - [Bug 16081] Data loss after crash during heavy I/O

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Message-Id: <201006021753.o52HrwcT028666@demeter.kernel.org>
Date:	Wed, 2 Jun 2010 17:53:58 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 16081] Data loss after crash during heavy I/O

https://bugzilla.kernel.org/show_bug.cgi?id=16081





--- Comment #9 from Eric Sandeen <sandeen@...hat.com>  2010-06-02 17:53:52 ---
(In reply to comment #8)
> ... The system boots as I write this, and I'll continue the
> same backup-tests but this time without barriers on both filesystems.

no... turning barriers -off- certainly won't help anything.

Whenever I see bad metadata corruption post-crash-and-reset I worry about
missing barriers.  My mention of them was only to see whether they are properly
in use, as they should be on any storage w/ a volatile write cache.

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