From owner-freebsd-fs@freebsd.org Thu May 17 15:45:47 2018 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 6F8D0EADF71 for ; Thu, 17 May 2018 15:45:47 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 06F50862B9 for ; Thu, 17 May 2018 15:45:47 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: by mailman.ysv.freebsd.org (Postfix) id BC606EADF68; Thu, 17 May 2018 15:45:46 +0000 (UTC) Delivered-To: fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id AA2A5EADF67 for ; Thu, 17 May 2018 15:45:46 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: from mail-qt0-x22e.google.com (mail-qt0-x22e.google.com [IPv6:2607:f8b0:400d:c0d::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4467A862B7 for ; Thu, 17 May 2018 15:45:46 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: by mail-qt0-x22e.google.com with SMTP id c2-v6so6354996qtn.9 for ; Thu, 17 May 2018 08:45:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=mSI5ZhfgGvHYQmEgpBsyFeB1vDrZCep4h26A6HNjmRs=; b=l0AMO6/YVeXIEZjApJFK5CvMCiIanScjyLwuHllf6z3IZG/ZMf8QrXLvs61Lmmh8ss 2QycBDPQuw3ADM8UZdQ8cxIR9aE+PmATEm/lAd4CtAhoNU/gRv8e3y7aSvvxIhcUk8JC vsfg953UU0n7GGrb9B1mzE5HOq+s0B89LCHXTl3qmmXBNH+nqFIsfH9GQVX6wOHif0q5 U5Q/jzfpJwBYuB3OQ+VDwY/+y1rQ3kFAB75fgk2Z9SkgIJwUHMx14+eVp3p9KhjKkhu4 tb2OMguiCGKjhqDoJTcHBEuknrNwNZJRFirS0FvW9Qr70rCRm1I+CXxiekfJ+ImMfOb6 LdZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=mSI5ZhfgGvHYQmEgpBsyFeB1vDrZCep4h26A6HNjmRs=; b=DpqxU2S138nt2qk2h0e+zgD+BPaTkUjdI1VWiwntN7bP/W2EfpO8lzEkBhNWvAeBj7 gkoF/oMjuPtXL3ocz7o//+MlbhLuRduwdpWzssB9D/jc5VrRGdV6/dSgB4TskIz+lPCo bIR6dSOFXh5ua5fBd20FbxVCTmtdlyorLsBHC78sGJxL5sSDhkL4O5BQ047lyBLX8mCc bqVFE9TO75xfo9KcF9QM2RUN45wl9UBKY1+OVi4rHUudlxoL6CMJll+OB7gnIN6GEU6G Rm4EWh5S3QtLx9E/UsdQComwVTC0t9gsrrMNpzx/YO9fjWhdGxVtr30hjUNpBOcaYC4b 3joA== X-Gm-Message-State: ALKqPwcZfH5602oLua53T8SBnx7J6pOYlU3318ufZPAi2vquP/UcjowF 1HkrkI/XvUQR8os95dndYLR8Ud+x2VTdBn4kjm0= X-Google-Smtp-Source: AB8JxZps9qt4CvG8XDGp0NvM+pG+gPJMlM14cP2I4Frel4Iw9I1YBijgtCD3sUpRpzuzPuF/JrFJrNOpYrhnTrM9Fnw= X-Received: by 2002:aed:3595:: with SMTP id c21-v6mr5871253qte.203.1526571945578; Thu, 17 May 2018 08:45:45 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:ac8:6707:0:0:0:0:0 with HTTP; Thu, 17 May 2018 08:45:45 -0700 (PDT) In-Reply-To: <20180513184120.GY6887@kib.kiev.ua> References: <20180513184120.GY6887@kib.kiev.ua> From: Ryan Stone Date: Thu, 17 May 2018 11:45:45 -0400 Message-ID: Subject: Re: "NFS append race" To: Konstantin Belousov Cc: "freebsd-fs@freebsd.org" Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 May 2018 15:45:47 -0000 Do you have a patch you can try, or some pointers as to where to fix it and how? I'm not very familiar with NFS or VFS but I could give it a shot.