Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753665AbbHRR3T (ORCPT ); Tue, 18 Aug 2015 13:29:19 -0400 Received: from mail-wi0-f178.google.com ([209.85.212.178]:38886 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752118AbbHRR3R (ORCPT ); Tue, 18 Aug 2015 13:29:17 -0400 Date: Tue, 18 Aug 2015 19:29:14 +0200 From: Michal Hocko To: Chris Mason Cc: LKML , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Andrew Morton , Johannes Weiner , Tetsuo Handa , Dave Chinner , "Theodore Ts'o" , linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, Jan Kara Subject: Re: [RFC -v2 7/8] btrfs: Prevent from early transaction abort Message-ID: <20150818172914.GO5033@dhcp22.suse.cz> References: <1438768284-30927-1-git-send-email-mhocko@kernel.org> <1438768284-30927-8-git-send-email-mhocko@kernel.org> <20150818104031.GF5033@dhcp22.suse.cz> <20150818171144.GA5206@ret.DHCP.TheFacebook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150818171144.GA5206@ret.DHCP.TheFacebook.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1029 Lines: 26 On Tue 18-08-15 13:11:44, Chris Mason wrote: > On Tue, Aug 18, 2015 at 12:40:32PM +0200, Michal Hocko wrote: > > From: Michal Hocko > > > > Btrfs relies on GFP_NOFS allocation when commiting the transaction but > > since "mm: page_alloc: do not lock up GFP_NOFS allocations upon OOM" > > those allocations are allowed to fail which can lead to a pre-mature > > transaction abort: > > I can either put the btrfs nofail ones on my pull for Linus, or you can > add my sob and send as one unit. Just let me know how you'd rather do > it. OK, I will rephrase the changelogs (tomorrow) to not refer to an unmerged patch and would appreciate if you can take them and route them through your tree. I will then drop them from my pile. Thanks. -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/