linux-ext4 - Re: [PATCH] xfstests-bld: exclude ext4 defrag tests from unsupported configurations

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Date:	Thu, 11 Jun 2015 20:24:21 -0400
From:	Eric Whitney <enwlinux@...il.com>
To:	Eric Whitney <enwlinux@...il.com>
Cc:	Theodore Ts'o <tytso@....edu>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] xfstests-bld: exclude ext4 defrag tests from unsupported
 configurations

Spoke too soon - hit what looks like the old problem on ARM running 4.1-rc7
on the ninth trial run.  Various components of the test are left in the 'D'
state after a familiar oops - kernel BUG at fs/jbd2/transaction.c:2150 while
truncating.

I'll see if I can still get the problem to appear on x86_64.

Eric

* Eric Whitney <enwlinux@...il.com>:
> I haven't tried to run generic/068 in quite a while, but do see it's passing
> now.  I'll close the related bugzillas.  Do you know which patch fixed this?
> 
> Thanks,
> Eric
> 
> 
> * Theodore Ts'o <tytso@....edu>:
> > On Wed, Jun 10, 2015 at 02:13:19PM -0400, Eric Whitney wrote:
> > > Online defrag is not currently implemented for journaled data and
> > > bigalloc ext4 file systems.  The xfstests that exercise online defrag
> > > do not verify that the test file system supports that feature before
> > > executing, resulting in spurious test failures.  (In the case of
> > > ext4/307, the test reports success but actually fails because the
> > > e4compact test component is ignoring failures.)
> > > 
> > > For the time being, simply exclude these tests to eliminate the test
> > > failure noise.
> > > 
> > > Signed-off-by: Eric Whitney <enwlinux@...il.com>
> > 
> > Thanks, applied.  BTW, I had since removed data_journal.exclude
> > because generic/068 should be passing with data journalling enabled.
> > 
> > 		    	      	      	   - Ted
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