linux-kernel - Re: [PATCH V5 00/30] loop: Issue O_DIRECT aio using bio

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Date:	Fri, 11 Jan 2013 15:51:58 -0600
From:	Dave Kleikamp <dave.kleikamp@...cle.com>
To:	sedat.dilek@...il.com
CC:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Zach Brown <zab@...bo.net>,
	"Maxim V. Patlasov" <mpatlasov@...allels.com>
Subject: Re: [PATCH V5 00/30] loop: Issue O_DIRECT aio using bio_vec

On 01/10/2013 09:46 AM, Sedat Dilek wrote:

> Hi Dave,
> 
> I am using here Ubuntu/precise AMD64 as a WUBI-installed system.
> 
> Not sure if WUBI [1] is a good test-candidate.
> 
> [ /boot/grub/grub.cfg ]
> ...
>         set root=(loop0)
>         linux   /boot/vmlinuz-3.8.0-rc2-9-iniza-generic
> root=UUID=001AADA61AAD9964 loop=/ubuntu/disks/root.disk ro
> ...
> 
> Poops, I did it (not again) but for the first time to test your
> loop-patchset on top of Linux v3.8-rc2 plus some important other stuff
> (see patches/ dir in attached tarball).
> 
> As I did not know how to test it in a meaningful way I just run the
> "lite" test-script from LTP [2].
> Please, have a look at the ERRORs and failures.

I'd really like to know if these same testcases fail without my
patchset. I'm going to play with ltp on loop-mounted filesystems, but I
don't intend to play with WUBI at all.

I'd be interested if my patchset introduces regressions, but not so much
if the same testcases fail previously.

> $ egrep -i 'error|fail'
> for-dkleikamp/tests/runltplite-results_loop-experimental.txt | grep -v
> -i expected | wc -l
> 210
> 
> In good old German tradition I have collected some interesting stuff
> in the attached tarball ;-).
> If something is missing - blame me.
> Don't hesitate to ask (I have your patchset for a while on my radar).
> 
> Thanks!
> 
> Regards,
> - Sedat -
> 
> [1] https://wiki.ubuntu.com/WubiGuide
> [2] http://sourceforge.net/projects/ltp/
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