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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D50F5C433F5 for ; Tue, 1 Mar 2022 18:42:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232767AbiCASnU (ORCPT ); Tue, 1 Mar 2022 13:43:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232016AbiCASnT (ORCPT ); Tue, 1 Mar 2022 13:43:19 -0500 Received: from mail-wr1-x434.google.com (mail-wr1-x434.google.com [IPv6:2a00:1450:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 12ADC2AD3; Tue, 1 Mar 2022 10:42:38 -0800 (PST) Received: by mail-wr1-x434.google.com with SMTP id b5so21999314wrr.2; Tue, 01 Mar 2022 10:42:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=vLWjZLiCgt7J8tD1cvWy0HmD9TGfbY7gITgVAS69YxY=; b=FDXRqbQ2x+BhkC0JQaPX6kuPk+mWWgJBqIIty6HIx5vdTebOREczeIYXuFSBGm9u1D b3PkmYWj1hSZHiKl52mQodm2qrmDVFtcF9el32LubJRs20lFl90q8FO32QkYk7ZmEYiJ V7PGrkuyKU6jD1513ApxAyGBxxm1XlmVXKkfMquBYfr9P3QKYpzkLXnqqfUELzGFLMM6 3iOIC82Rv+eb783r8gF8IQptAB6J+9ZnRBlFdMsxeqmKzPh/8g0woaoy3r46VWYwCHsD SyWC05FkD5Ek6rHaeZ0/TPlmPxmgNmGYhS5tTXPnSmVnUSVeCxFmTwPJ8toBUhnRYNAo jx/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=vLWjZLiCgt7J8tD1cvWy0HmD9TGfbY7gITgVAS69YxY=; b=bMqBcooHpo9Ic48SzMCnTAHDWxjZCln6mQHHt7xGFvlMGhWcFTz8vZOXlEwwRndYod 3ifmgsVwab9S7uDWkEhZzaVgrvy8daNSFaQqKNs/nUGZYajuorK4BV6ePhuWd1KrJynb 5tebe0ORP92xb3Yi5fXLldPQJxVgyn436f19NR6q/I7dzdBJgfFmmaUdImwncwbd0FQW c2MiyMwDqJ+KNrsul20sL+rAhLISZscNCZwXA3UrfEFKkDhK/CO7YSo0KwWGUvFE7Oek XWRvXp5fWebpzgspIypMZU/wcnL3fA00z2oUMdPiseBlU8sjRKvgwLmvRvx3Z7RduAN1 3CTQ== X-Gm-Message-State: AOAM532OcjHrkpKE+sUmucAg0etUZXF0XPMCaoe9+5tkFMfJfmgtL+5O nTU7lxJm4/JIuMWCogLXgek8HxHYCCg= X-Google-Smtp-Source: ABdhPJxyF14dQoDRfHGTnen8PPZKWf39hq8Tl/3YYqOL02DaQr9kQ2og856cmSqQd0xUcl68RSnb5w== X-Received: by 2002:a5d:4890:0:b0:1ed:9d4e:f8ef with SMTP id g16-20020a5d4890000000b001ed9d4ef8efmr20825410wrq.595.1646160156482; Tue, 01 Mar 2022 10:42:36 -0800 (PST) Received: from localhost.localdomain ([77.137.71.203]) by smtp.gmail.com with ESMTPSA id f1-20020a5d4dc1000000b001eeadc98c0csm14020381wru.101.2022.03.01.10.42.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Mar 2022 10:42:36 -0800 (PST) From: Amir Goldstein To: Miklos Szeredi Cc: Dave Chinner , Al Viro , linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v3 0/6] Generic per-sb io stats Date: Tue, 1 Mar 2022 20:42:15 +0200 Message-Id: <20220301184221.371853-1-amir73il@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-unionfs@vger.kernel.org Miklos, Following your feedback on v2 [1], I moved the iostats to per-sb. Thanks, Amir. [1] https://lore.kernel.org/linux-unionfs/20220228113910.1727819-1-amir73il@gmail.com/ Changes since v2: - Change from per-mount to per-sb io stats (szeredi) - Avoid percpu loop when reading mountstats (dchinner) Changes since v1: - Opt-in for per-mount io stats for overlayfs and fuse Amir Goldstein (6): lib/percpu_counter: add helpers for arrays of counters fs: add optional iostats counters to struct super_block fs: collect per-sb io stats fs: report per-sb io stats ovl: opt-in for per-sb io stats fuse: opt-in for per-sb io stats fs/Kconfig | 8 +++ fs/fuse/inode.c | 5 ++ fs/nfsd/export.c | 7 +- fs/nfsd/nfscache.c | 5 +- fs/nfsd/stats.c | 37 +--------- fs/nfsd/stats.h | 3 - fs/overlayfs/super.c | 5 ++ fs/proc_namespace.c | 16 +++++ fs/read_write.c | 88 ++++++++++++++++------- fs/super.c | 2 + include/linux/fs.h | 10 ++- include/linux/fs_iostats.h | 127 +++++++++++++++++++++++++++++++++ include/linux/percpu_counter.h | 28 ++++++++ lib/percpu_counter.c | 27 +++++++ 14 files changed, 300 insertions(+), 68 deletions(-) create mode 100644 include/linux/fs_iostats.h -- 2.25.1