From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f177.google.com (mail-wi0-f177.google.com [209.85.212.177]) by kanga.kvack.org (Postfix) with ESMTP id AB4E86B0038 for ; Wed, 19 Aug 2015 08:26:44 -0400 (EDT) Received: by wijp15 with SMTP id p15so125380749wij.0 for ; Wed, 19 Aug 2015 05:26:44 -0700 (PDT) Received: from mail-wi0-f169.google.com (mail-wi0-f169.google.com. [209.85.212.169]) by mx.google.com with ESMTPS id fn5si1713455wib.71.2015.08.19.05.26.42 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 19 Aug 2015 05:26:43 -0700 (PDT) Received: by wicja10 with SMTP id ja10so118793715wic.1 for ; Wed, 19 Aug 2015 05:26:41 -0700 (PDT) Date: Wed, 19 Aug 2015 14:26:40 +0200 From: Michal Hocko Subject: Re: [RFC -v2 7/8] btrfs: Prevent from early transaction abort Message-ID: <20150819122640.GA8541@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> <20150818172914.GO5033@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150818172914.GO5033@dhcp22.suse.cz> Sender: owner-linux-mm@kvack.org List-ID: 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 On Tue 18-08-15 19:29:14, Michal Hocko wrote: > 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. Poste in a separate thread http://lkml.kernel.org/r/1439986661-15896-1-git-send-email-mhocko@kernel.org -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org