Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp3702968imm; Tue, 17 Jul 2018 08:58:45 -0700 (PDT) X-Google-Smtp-Source: AAOMgpeBo97cgPM2AiDmP9+pfYdqo69fe8c9BZu/NL6DGbggZjq0cAIxoZru7Zq8uRBaIeRre8Mp X-Received: by 2002:a63:1e08:: with SMTP id e8-v6mr2113617pge.281.1531843125547; Tue, 17 Jul 2018 08:58:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531843125; cv=none; d=google.com; s=arc-20160816; b=WHIjtVWAZXkJbdWjybD5e4+eEA9y6yBatk0qJqNwRU4375y25gmVFunMG37nK5Kciw S8Clh1QEf291WV2RmkSwQAv3yHbAD6IpRyqAdkAYCVMnrHgl5idfe/b0IpadkrXhQ/sH QcLC/iG0Xn+Z0i6oAb1ey9mjPed2/hFlbF6IcsthnW11mwCsRiytIPsq7+d1YGNPgfwR hSWYTQBlWr8I8P8wMya7QA38iKRTsNh3TzLrB1CKytCW6DrtDtdxAMuHA64sGwspGDvT 9Yom2XHfaf5c0C9vYlDHlMmiM03gRt5bZflZxXUA1JHaoI3AZAzWDJw9ZvI/ntzXH/7F L7sA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature:arc-authentication-results; bh=j4sExYVc44yL99uS2OarcCcbwXMg3T9dUbeLuViEUuo=; b=vOUcn0BvPJgEnSN+XC1Xybu9bTYJPMYSrv1yE7sKVYRCYhA0NRYQmS2GufG7T3sajh A2SNOdGC42+DDwoAv/R3Jv/JxsOacq71PtHh4jtnxPnTjH/C9gat5DhGSoGBiYnccgaz X1dvSybkNvzpYW85vSD/cMixOFsw8e72IUZdg2gSzHLtFL2cGm8l7dgfhxs2bXhNVx5d Sqm6uAi9LSvzhWipuE+/pyRl62Fj5gwetoKddRkATtMRA73QiYv5GSp0GVoWBqhEbOzW nMetv3v1nyVyPqomEPuSXcY1p+R7c9E4ERQJwOl82t2GOwstCnDHpAbOClI5ZwaYp+Hd ff+Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@gmail.com header.s=20161025 header.b=ktQUVAn3; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id k80-v6si1215851pfg.42.2018.07.17.08.58.30; Tue, 17 Jul 2018 08:58:45 -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; dkim=fail header.i=@gmail.com header.s=20161025 header.b=ktQUVAn3; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730522AbeGQQbB (ORCPT + 99 others); Tue, 17 Jul 2018 12:31:01 -0400 Received: from mail-yw0-f172.google.com ([209.85.161.172]:42670 "EHLO mail-yw0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729708AbeGQQbB (ORCPT ); Tue, 17 Jul 2018 12:31:01 -0400 Received: by mail-yw0-f172.google.com with SMTP id y203-v6so563215ywd.9; Tue, 17 Jul 2018 08:57:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=j4sExYVc44yL99uS2OarcCcbwXMg3T9dUbeLuViEUuo=; b=ktQUVAn3Yv+BXq2zN65uuSldkvbBtAj6j5Uiw8bTmBUFL83hKsJMxdVBSEPXZuuO5o USwjTAOxu9BwLIpOM8Yw+a2F8SHaZURgXAvecE4baeRF2/leY49GBxiO1OiNK10RtKOi 2L3tt0jkdv0pBDUIQcfYjmE5K4+Z4wWBlzw6WRTFxJRohEmfDIJwmbt51QNmQ8DSGbKB fTWDhKCA9o+1YjF3KURVWpgCh/z8g2JNouJ97edfoeVnU9XBJYblGNDovOq7irklkg28 q7ullbdgrwwUOt+Gc4YT62AMzdIfCldoTj01UfKnQDh5GmUwkjUUHM89DGii2DOylwOu T4AQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=j4sExYVc44yL99uS2OarcCcbwXMg3T9dUbeLuViEUuo=; b=NvWq9T7axsbpXtp/hpiiUpEl0/WKHEhkJMbQtBQFwOYMlO7PPbuzpNTvBdPsONgY5G S6KTCUB/6N0rUuMB+LRqy3aog/absyVFG/pLu+OW9p9aximj31p6s1kTX0zGHm1pa8W1 G6j3BTgIQBbDnUa7Sp7rx6pCPL/Vn/f+uV7go6TAvtrDeNp6HCOF/o5Ue4vqYJD6dlJX q5alU/wVywSXRKX4R79BUbzych3DrjgTCT3m0JTbChzVeEgS7eR/ADDhxDuCVFbVcXu0 u7qZ7DY2s8wUUQUodA4QHzHEpFYSVTLyKS2AjeByNtCyIjWqcXS/F3vE8EZ1tvEKNQzo Mg8Q== X-Gm-Message-State: AOUpUlG7RAavoX8INT3ne354nkfvMC4PLGZ1FdL+hIZgYIpQuETxB+wj uWy0VPtT6O1VvIv2vbOPKitucq3J X-Received: by 2002:a81:780e:: with SMTP id t14-v6mr1156155ywc.317.1531843062647; Tue, 17 Jul 2018 08:57:42 -0700 (PDT) Received: from localhost ([2620:10d:c091:200::1:7178]) by smtp.gmail.com with ESMTPSA id r3-v6sm682302ywr.80.2018.07.17.08.57.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 17 Jul 2018 08:57:41 -0700 (PDT) Date: Tue, 17 Jul 2018 08:57:40 -0700 From: Tejun Heo To: axboe@kernel.dk Cc: michaelcallahan@fb.com, newella@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com Subject: Re: [PATCHSET v2] block: Separating discards from writes in Linux IO statistics Message-ID: <20180717155740.GP72677@devbig577.frc2.facebook.com> References: <20180605180120.2726113-1-tj@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180605180120.2726113-1-tj@kernel.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jens, ping. Thanks. -- tejun