From: Josh Durgin <josh.durgin@inktank.com>
To: Stefan Priebe <s.priebe@profihost.ag>
Cc: "ceph-devel@vger.kernel.org" <ceph-devel@vger.kernel.org>
Subject: Re: librbd discard bug problems -> i got it
Date: Mon, 19 Nov 2012 14:38:14 -0800 [thread overview]
Message-ID: <50AAB4D6.3030304@inktank.com> (raw)
In-Reply-To: <50AAA25F.9040908@profihost.ag>
On 11/19/2012 01:19 PM, Stefan Priebe wrote:
> Hello Josh,
>
> after digging three days around i got it.
That's great!
> The problem is in aio_discard in internal.cc. The i/o fails when AioZero
> or AioTruncate is used.
Interesting, I wouldn't have expected the bug to be there. Is
it failing with a different error code, or just taking too long
so the guest kernel tries to cancel it?
> It works fine with AioRemove. It seems to depend on overlapping.
> Hopefully i'm able to provide a patch this nicht.
Looking forward to it!
Josh
next prev parent reply other threads:[~2012-11-19 22:38 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-19 21:19 librbd discard bug problems -> i got it Stefan Priebe
2012-11-19 22:38 ` Josh Durgin [this message]
2012-11-19 22:45 ` Stefan Priebe
2012-11-19 22:48 ` Josh Durgin
2012-11-19 23:16 ` Stefan Priebe
2012-11-19 23:33 ` Josh Durgin
2012-11-19 23:42 ` Stefan Priebe
2012-11-19 23:47 ` Josh Durgin
2012-11-20 0:00 ` Stefan Priebe
2012-11-20 0:28 ` Josh Durgin
2012-11-20 9:50 ` Stefan Priebe - Profihost AG
2012-11-20 12:46 ` librbd discard bug problems -> i REALLY " Stefan Priebe - Profihost AG
2012-11-20 17:09 ` Josh Durgin
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