linux-ext4 - [Bug 14354] Bad corruption with 2.6.32-rc1 and upwards

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Message-Id: <200911062215.nA6MFIpT016161@demeter.kernel.org>
Date:	Fri, 6 Nov 2009 22:15:18 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 14354] Bad corruption with 2.6.32-rc1 and upwards

http://bugzilla.kernel.org/show_bug.cgi?id=14354





--- Comment #179 from Eric Sandeen <sandeen@...hat.com>  2009-11-06 22:15:16 ---
(In reply to comment #178)


> For ext4, one thing I would suggest is to simply always put the NUL at the 
> end of the name, even if the filesystem might not need it. Then 
> nd_terminate_link() will still write the NUL, but it won't change any data 
> (and thus no CRC's).

Ah, good idea in the short term at least.

FWIW I've got the other 2 places I hit fixed up and my testcase is surviving
thus far.  I'll find a testcase for the symlink, fix that up, and get some
patches out.

Big kudos to Chris for the swanky patch to make this all obvious...

-Eric

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