linux-ext4 - Re: [PATCH 08/18] e2fsck: fix the various checksum error messages

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Date:	Mon, 28 Jul 2014 00:57:21 -0700
From:	"Darrick J. Wong" <darrick.wong@...cle.com>
To:	"Theodore Ts'o" <tytso@....edu>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 08/18] e2fsck: fix the various checksum error messages

On Sat, Jul 26, 2014 at 05:09:53PM -0400, Theodore Ts'o wrote:
> On Fri, Jul 25, 2014 at 05:34:28PM -0700, Darrick J. Wong wrote:
> > Make the "EA block passes checks but fails checksum" message less
> > strange, and make the other checksum error messages actually print a
> > period at the end of the sentence.
> > 
> > Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
> 
> Applied (with some slight adjustments since I haven't pulled in the
> previous patch pending discussion).  I note that there was no need to
> adjust any of the expected messages in the e2fsprogs regression tests.
> 
> This indicates that we don't have enough (well, any) regression tests
> covering the metadata checksum feature.  :-(

That's what the metadata checksum test script was supposed to be about.  I'm
not sure if it's actually getting through to anyone -- Google doesn't seem to
have any links to it.

It's a big script that takes a bunch of mke2fs flags and runs through a bunch
of corruption detection tests to see if the running kernel and e2fsck notice.
The nice thing about the script is that it can cycle through a lot of different
features, block sizes, etc. pretty quickly, which seems difficult to do with
the plain 'make check' tests.

I could look into turning them into a bunch of ext4 xfstests.

--D
> 
> 						- Ted
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