Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp1431223pxf; Fri, 19 Mar 2021 07:08:50 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwMYLzNObYN3wbEQIAPPgyWe1l/TMshSMgBBjIXy3JQhkI/NG7t+kQ8j9cAPo96Qqygk/4s X-Received: by 2002:a05:6402:10c9:: with SMTP id p9mr9797249edu.268.1616162929975; Fri, 19 Mar 2021 07:08:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1616162929; cv=none; d=google.com; s=arc-20160816; b=OzGOcC6ckkFTTL9nkAqDUDsazOL5VrHt6r9+yosuPxAIBrSTQD2Fc9n4E5LOZZS8HU KtZhrKq09jlLbfcOVkNGF+w272mujSjug56gVaRjrQHEK+F5OdQrByWAPPIN+Efjil6a Ocm0Z+L67tHI1VejJsBwcqsQgOI2YnVR+XiVXmGhlylvU0Zo1ARy/WW0tP2VeT4HaexA Mkor0xZ4UbdbmKCC97ZGUbH75o7XHRjIFW8l18hSW8HkrttF3w0vIJMi9/YJ7V4M04bC VoCtjUUuJX7D87slhPQPsH1suSVvb//JTOLT2+jvpRCcEbkpsYRtCJHG5+sT1/Igcu+m SAGg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=vgQC0+TPzmYowFW0QVWSKyadeqMEkQC26WKjNxhcC5k=; b=kfelS+Ud9DkAjrTKePQrkCGYH2L0CGq2L3I2avyFmokmD8B8akkNYBzlUhl8NSvvs5 C0VTkdszVzcHF9fUReO40/QiBbopd4Sgyw5GP8UIYBc1mh5FUBR1KgEdtcf84Z9uzBks 6S8F5qnq00Ck6szwgh6EPl0TzlOoN0kOkFEcYkZsk9FQmzj4t61pzfln8/QT9FNn3IDI T0s3auZ8i/wNQMILvT83MeRIbvnJM2+UkTY7i2fsO+wON8O0lCgz0ueRdw8Hd+4oDtjL bMoCNIo6W3qPgLe7TN+08DJa8lNt09MkZCrIkGYsTMwRRJFzyduXa6BM4U32KJ3u5iBY C2uA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=I5IAKAe3; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id n18si4210678ejg.224.2021.03.19.07.08.26; Fri, 19 Mar 2021 07:08:49 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=I5IAKAe3; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229974AbhCSOG4 (ORCPT + 99 others); Fri, 19 Mar 2021 10:06:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229806AbhCSOGa (ORCPT ); Fri, 19 Mar 2021 10:06:30 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCDFBC06174A; Fri, 19 Mar 2021 07:06:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=vgQC0+TPzmYowFW0QVWSKyadeqMEkQC26WKjNxhcC5k=; b=I5IAKAe3Ts2G6FyAtWKU0bc2AG aJovX5vKT+E30CEkP5pJEqtvnxu/ckb7ajuv4UNsKRBlAlDmP6LCni83OIm/R/qrt22GsRBiIDFqq q3IUzYB9nLQhOOZ9iG38CIv6E8DfMjzJ/lP5HUVAerNcqsPuoPop5rmQJafQuDFPGg9ZdWhqEPWpp Pf7DO8NXof3I10zYCRr7yeLz0/tzRYr+C0fjfUxSRk2ZhV5nC17+nBNjrcnQVqOQzMPjmaEIR594B hxoG9vefWSPtRVhppM2dAuNGlBRCYOFaV/m1kbeVozhdZsZjI4v4YhTUArHgXYSpo62VCy4Tq9MwU JDVFS62w==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lNFle-004Uua-CB; Fri, 19 Mar 2021 14:06:23 +0000 Date: Fri, 19 Mar 2021 14:06:22 +0000 From: Matthew Wilcox To: Dmitry Monakhov Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, stable@vger.kernel.org, axboe@kernel.dk Subject: Re: [PATCH] io_uring: Try to merge io requests only for regular files Message-ID: <20210319140622.GA3420@casper.infradead.org> References: <20210319052859.3220-1-dmtrmonakhov@yandex-team.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210319052859.3220-1-dmtrmonakhov@yandex-team.ru> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 19, 2021 at 05:28:59AM +0000, Dmitry Monakhov wrote: > Otherwise we may endup blocking on pipe or socket. > > Fixes: 6d5d5ac ("io_uring: extend async work merge") 7 bytes of sha1 isn't enough. You can set core.abbrev to 12 or upgrade to a version of git from this decade to get that automatically. > 2.7.4 ... is from 2016, so you're five years out of date. Don't get cut off when git switches from SHA1.