From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephane Chazelas <stephane_chazelas@yahoo.fr>
Subject: Re: btrfs hung tasks
Date: Fri, 29 Jul 2011 13:29:21 +0100
Message-ID: <20110729122921.GA11526@yahoo.fr>
References: <20110728062343.GA4656@yahoo.fr>
 <20110728142253.GA3524@dhcp231-156.rdu.redhat.com>
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Cc: linux-btrfs@vger.kernel.org
To: Josef Bacik <josef@redhat.com>
Return-path: <linux-btrfs-owner@vger.kernel.org>
In-Reply-To: <20110728142253.GA3524@dhcp231-156.rdu.redhat.com>
List-ID: <linux-btrfs.vger.kernel.org>

2011-07-28 10:22:54 -0400, Josef Bacik:
> On Thu, Jul 28, 2011 at 07:23:43AM +0100, Stephane Chazelas wrote:
> > Hiya, I got below those last night. That was 3 minutes after a
> > bunch of rsync and ntfsclone processes started.
> > 
> > It's the first time it happens. I upgraded from 3.0rc6 to 3.0
> > yesterday.
> > 
> 
> Ok I fixed that recently and Chris just sent it to Linus.  The patch you are
> looking for is
> 
> Btrfs: use a worker thread to do caching
[...]

Thanks a lot Josef,

That seems to have done the trick. I've not reproduced the issue
yet with that patch applied. Strange that I only get the issue
with 3.0 and not 3.0rc6  though....

-- 
Stephane