From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B80E8C10F14 for ; Thu, 10 Oct 2019 15:38:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8DA25206B6 for ; Thu, 10 Oct 2019 15:38:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=toxicpanda-com.20150623.gappssmtp.com header.i=@toxicpanda-com.20150623.gappssmtp.com header.b="KIb78bHV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726491AbfJJPib (ORCPT ); Thu, 10 Oct 2019 11:38:31 -0400 Received: from mail-qt1-f195.google.com ([209.85.160.195]:45828 "EHLO mail-qt1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726007AbfJJPib (ORCPT ); Thu, 10 Oct 2019 11:38:31 -0400 Received: by mail-qt1-f195.google.com with SMTP id c21so9281182qtj.12 for ; Thu, 10 Oct 2019 08:38:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toxicpanda-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=Np1tZrnffSkafV6uzCi3g72ZSVqYCV5sqG94EcK263Y=; b=KIb78bHVdR+JONOYpMdvO6IREOQSXpDGeFSfrK4GlxmX2uL5rfIvVIMzLAzIi0y4Bm x6Swv6tR3TBb6Rbrsk4G1EdLUrx1VFCRszZ8mwHmHpCqTyAZqK2uBF0o6G7r4V9JlKvr EcTJ2AR6BSL+aocnaTLyAlyN/zLAjqVyurQJgvacM/HQcdANi8hO+bFoJfe70P1tYxki 9a4oVGkfsMllGN5FqztTzWbYnLqOKABpV8fjkPTO9LJGoiyi8fsphMAPuOAeqtMg6R2y T/Omh7tZLzI3QjV4mDkotZ0h3ngOf6l9N5BTmrXCMXrqXY6ODwU3rOWfP+9AfQNOfk/s Fp+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=Np1tZrnffSkafV6uzCi3g72ZSVqYCV5sqG94EcK263Y=; b=H3yRVEFS+ETH8o6ofRLVaQvVbeXj9gkU9BDsvIj8q/PP7ODmQ4ZrniHPIz8q8jldH5 shLMymmPKlWrO2L6BkgQjCBBQ9NeRodoTRgvnjoQrv6J81Rz9QSqiLM9D3NPN4Mtf+nn ZZ1to/tDy9sES8YygD4srxu8PjshvtDa7qqA9JlJhMvIa7c4IdtLTYCloep39b5Jwbkm QBW3ND7gqqKPcsnfbsgeI6LsLDZZhIPTghBo6a8UZS6qBBcR4MKswLJ/5dYzK2kj1PFW 8sKgDVmlZ+vIDbCOWC0Wn1ANVXhpJa84Mjprtw0pi3vwpY/Kio54z0ixFvGwM1l8F+w0 R3Zg== X-Gm-Message-State: APjAAAUzw1lGge7wmXlKRbrOJ5J8ug8GdkBLFMHgolgap58z+mCW1hF6 CIrbPs0klPuoQbAm6DIZlvAJ+Zvw1TquZg== X-Google-Smtp-Source: APXvYqx2xZfIRdAeeqKHe3G7sDZipCLnqpycRjxlLsT34r3HZhKMyHknGTq7ilMt/AIBUWG6Yd4zPg== X-Received: by 2002:ac8:2e61:: with SMTP id s30mr10535521qta.334.1570721910511; Thu, 10 Oct 2019 08:38:30 -0700 (PDT) Received: from localhost ([2620:10d:c091:480::18ce]) by smtp.gmail.com with ESMTPSA id g10sm2621544qkm.38.2019.10.10.08.38.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 10 Oct 2019 08:38:29 -0700 (PDT) Date: Thu, 10 Oct 2019 11:38:28 -0400 From: Josef Bacik To: Dennis Zhou Cc: David Sterba , Chris Mason , Josef Bacik , Omar Sandoval , kernel-team@fb.com, linux-btrfs@vger.kernel.org Subject: Re: [PATCH 09/19] btrfs: keep track of discardable_bytes Message-ID: <20191010153827.fzppscyjudawvncz@macbook-pro-91.dhcp.thefacebook.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Mon, Oct 07, 2019 at 04:17:40PM -0400, Dennis Zhou wrote: > Keep track of this metric so that we can understand how ahead or behind > we are in discarding rate. > > Signed-off-by: Dennis Zhou Same comment as the discard_extents patch. Thanks, Josef