Received: by 10.192.165.148 with SMTP id m20csp939069imm; Sat, 5 May 2018 01:20:17 -0700 (PDT) X-Google-Smtp-Source: AB8JxZrRR7gLavqqualYENyleVD10+153mTVV98W/zqOP6CMXEy9rLDukO0EdXfHTwET6MuuA9xv X-Received: by 10.98.215.81 with SMTP id v17mr29701446pfl.39.1525508417768; Sat, 05 May 2018 01:20:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525508417; cv=none; d=google.com; s=arc-20160816; b=DUv9HSXo02WKGcvFAvGragQpDGjWhHMUA1+29hgS4/Fhzy8rLBzMj7N+nd2+b9PKfw QzBNO/W/pUdmZkmv0ANZgZzqEVzvyYv1iRGwa2go9SK4dfiLwzJimN3Zo9lEF4D1kT+X ufP2QUmUfooPk29jE/f9niysPNR1LkeG811vYxl0KasvFWphtIMgKrYcMJZD+9Vy/EMd Zu8NESd8422b+05Tlr8poa5836e/n9idhFp2weeR6H4FUthiarschKnbJsEVb7rv6/d4 A83BL6nxIaif0MbsHpErPL5IUfE32+Rfy4zacqs6wnEfw4QwV2MJDFw8KEi0MQwPdQFa RrQA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:date:cc:to:from:subject:message-id :arc-authentication-results; bh=G5WhKwkcyQuJt3tpjgpksKHYmnVgen8yYMLpbEh3Mi8=; b=gC1CY7F0xBKZBJ0b3BirBro+tdiRQbFG9vA+csU2ecT2Ra8EnsoK/Jhl6l58igGS79 8CR+WkJCt+d9ipRCtKRAC3F6nAxWC1r8a+q133sOXAa57fhA1h78zaj/FsHOxKeb5ytd LOdx6XHnx/WXd/fVvbY218iStEeinIkBJH8QlXCQ9vCmGThf2mndF00vgGgHRygQUkoD +7OIQYaqbLpFv5DYnSXFkvt+FP5/Y1j3mtmDLkcE1F1rr+UyrVjjWbvXWtM+bHMr4OGD LkP6q2fg2Hdg+645uau2dRqy3FeC6wvoYDQNKWMPYbp/XDlq0qEI1Q07vgW/yG/yksd7 j4qQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v7-v6si17933868plp.31.2018.05.05.01.20.01; Sat, 05 May 2018 01:20:17 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751191AbeEEITt (ORCPT + 99 others); Sat, 5 May 2018 04:19:49 -0400 Received: from mout.gmx.net ([212.227.17.21]:59531 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750821AbeEEITr (ORCPT ); Sat, 5 May 2018 04:19:47 -0400 Received: from homer.simpson.net ([185.191.216.25]) by mail.gmx.com (mrgmx103 [212.227.17.168]) with ESMTPSA (Nemesis) id 0LdpZX-1eXG8m3lCN-00ixbY; Sat, 05 May 2018 10:19:40 +0200 Message-ID: <1525508378.5406.6.camel@gmx.de> Subject: Re: [PATCH BUGFIX] block, bfq: postpone rq preparation to insert or merge From: Mike Galbraith To: Paolo Valente , Jens Axboe Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ulf.hansson@linaro.org, broonie@kernel.org, linus.walleij@linaro.org, bfq-iosched@googlegroups.com, oleksandr@natalenko.name Date: Sat, 05 May 2018 10:19:38 +0200 In-Reply-To: <1525463210.622.1.camel@gmx.de> References: <20180504171701.6876-1-paolo.valente@linaro.org> <1525463210.622.1.camel@gmx.de> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.22.6 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:7SCqs7RtfH8TsyH6K883l0BX+TyFNujGUz2ss3e7EtPLIw9e6V9 Ee4CzWZtAtjlzn1nyVeadpwvnwq62Ud2bJ/G4PNLEH67G/XURI5DX1KYDf+ogK4ArB9xh60 Ixe5G1BZveZSl3m903i5q04kZpl/4vwam4CtLCyksmHFys9nyyV3sh0QVxWvM6ydgl+UVyP nDWts4H4T1vLygmc42Msw== X-UI-Out-Filterresults: notjunk:1;V01:K0:SN92bNAak1g=:twl5Yhh+UMn3sNe11183Wk 4T6eJYq7gGpvrG5li20kWvFNBRVzOEBSvPdtLJnF/s+8f98u5LuQe/yTxR/BfQYM45zKEBeIX IOpIqPv3eki01DsX5aFcosmVsFoBCwmc2T0oNlv5fAjYPrvfES94f0NCYXxBVmoaH6+KcErAE DMZVMou7YhKBCX27qguMrl2vHFksaQXLMmbjRyX/LzaUR9c77v6qbVxj9v67v43BPrpx/l0zo wY7jMyod4v4WQOyva9um0wTHkktwRlSNdDSi/dP7CyLwb+pML887PL+kXj8WBB9HdkMZqAG3v HmK4qdQlRTYZkLnuox6kRXuZizGbzF9jEd4NHGL+fem5sb8Y9ID7s5CqBFwglb0yVPpzW5h4O gjD2Llkk5SSXWpMf7CR8d+DjRsoJFLwcE1BI9K7/XfJumU4ffn12R9higd7s9jh6q5WdLA/5Q mQIJ15nd9r9s+4Dip5Fzai2bsZfNZChpgfcjaohaC1skD0qxNgpabyItOkTwrVUWLKN1U7B0+ /x/yWYfooG0mIFEqKv+g25YJYg9qHlR6YC+uBnLy08PxxVooLliHh3PMYuRSBuzqBkgPkh62h OfBz5EKpY/JezlDxhm9jRummEcy0D66oqnxQPFKRb/n6JTmhDMxbKCVft/YETYU/8apm92LCH yVaY60PzPuq65wlPot6JBqPBlRRVnA1DJZ/Vet6I/bwwOfQC1gMkSPCF0bH72u94qM67lc4zW /rohAfZE+a/JS5AAFayUIO7PgIFr7HHNQWR9Hr2kel5dH3w8O3k/19Hmg46HwL4R4DLpOpsy4 HAs8EPc Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2018-05-04 at 21:46 +0200, Mike Galbraith wrote: > Tentatively, I suspect you've just fixed the nasty stalls I reported a > while back. Oh well, so much for optimism. It took a lot, but just hung.