From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jim Schutt" Subject: Re: stalls with latest btrfs merge into 3.0-rc2 Date: Tue, 14 Jun 2011 09:13:31 -0600 Message-ID: <4DF77A9B.9050901@sandia.gov> References: <4DF67C06.4000307@sandia.gov> <4DF6B301.90904@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from sentry-two.sandia.gov ([132.175.109.14]:52737 "EHLO sentry-two.sandia.gov" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751686Ab1FNPNw (ORCPT ); Tue, 14 Jun 2011 11:13:52 -0400 In-Reply-To: <4DF6B301.90904@redhat.com> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Josef Bacik Cc: linux-btrfs@vger.kernel.org, ceph-devel@vger.kernel.org Josef Bacik wrote: > On 06/13/2011 05:07 PM, Jim Schutt wrote: >> Hi, >> >> On a system under a heavy write load from multiple ceph OSDs, >> I'm running into the following hung tasks where btrfs is implicated. >> I'm running commit 3c25fa740e2 from Linus' tree merged with >> commit cb9b41c92fa from git://ceph.newdream.net/git/ceph-client.git. >> > > Please try this patch and verify it fixes the problem. If it does I'll > make it less crappy and send it along. Thanks, I saw no stalls with your patch applied after 30 minutes of writing, whereas without it the stalls would trigger after a few minutes. Let me know if you get a new version you'd like me to test, otherwise Tested-by: Jim Schutt Thanks -- Jim > > Josef >