linux-ext4 - [Bug 15230] oops on ext4 remount with -o barrier

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Message-Id: <201002042238.o14Mcpas025417@demeter.kernel.org>
Date:	Thu, 4 Feb 2010 22:38:51 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 15230] oops on ext4 remount with -o barrier

http://bugzilla.kernel.org/show_bug.cgi?id=15230


Eric Sandeen <sandeen@...hat.com> changed:

           What    |Removed                     |Added
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                 CC|                            |sandeen@...hat.com
         AssignedTo|fs_ext4@...nel-bugs.osdl.or |sandeen@...hat.com
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--- Comment #1 from Eric Sandeen <sandeen@...hat.com>  2010-02-04 22:38:48 ---
Can you try it with the patch at:

http://marc.info/?l=linux-ext4&m=126523161410367&w=2

?

I think that likely will fix it for you.  ext4 had 2 options for which it tried
to accept -optional- arguments, and was doing that in a way such that if the
arg was given w/ no option things went badly due to the option structure being
uninitialized.

Something else may have changed in the option parsing, but I think it may be
simplest / most obvious to just fix up ext4.

-Eric

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