From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f176.google.com (mail-wi0-f176.google.com [209.85.212.176]) by kanga.kvack.org (Postfix) with ESMTP id 480596B0255 for ; Tue, 18 Aug 2015 13:29:18 -0400 (EDT) Received: by wijp15 with SMTP id p15so106437130wij.0 for ; Tue, 18 Aug 2015 10:29:17 -0700 (PDT) Received: from mail-wi0-f177.google.com (mail-wi0-f177.google.com. [209.85.212.177]) by mx.google.com with ESMTPS id kz6si34676142wjc.27.2015.08.18.10.29.16 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 18 Aug 2015 10:29:16 -0700 (PDT) Received: by wicne3 with SMTP id ne3so101002981wic.0 for ; Tue, 18 Aug 2015 10:29:16 -0700 (PDT) Date: Tue, 18 Aug 2015 19:29:14 +0200 From: Michal Hocko 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> 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 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, 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