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=-2.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 7AB90C43460 for ; Sat, 1 May 2021 15:27:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 29BA3610A2 for ; Sat, 1 May 2021 15:27:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230195AbhEAP16 (ORCPT ); Sat, 1 May 2021 11:27:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230051AbhEAP16 (ORCPT ); Sat, 1 May 2021 11:27:58 -0400 Received: from mail-ed1-x529.google.com (mail-ed1-x529.google.com [IPv6:2a00:1450:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA8ADC06174A for ; Sat, 1 May 2021 08:27:08 -0700 (PDT) Received: by mail-ed1-x529.google.com with SMTP id g10so1488594edb.0 for ; Sat, 01 May 2021 08:27:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=wCSTaFd5FzZ/p3U7CDmOqPzzuwDVIuNhLBgf/EQ7cOM=; b=pKCPJJetYpO2fKikSpkxhjS0c4YxYOe0jliMWdoPKF1rLBFLTi4xbM4UZVM1jNnVUB WUMLY9yL+HnPZC5+ijJX5fbNIHpgbBYt8mnRDJIXwprfrirbnjvw6zchJOjKbXpkAD84 D0f9RN5jLY9I1Ss0u/b/Ht10AIUqFVc53QfRiaXNWPChH5aL1iyRVVLYkcluxKX71jXK i+7djgcgJFrGNrEdmNyY9SMDD/7txla3/psQbStJws8NQxtoppIG5uqbgjmH1RF3AdjK lt9WwCyTuapSEHbt2oMM7ofN0nhExZ9NoQ8SCEnvTG5hg3DqcEi5iU10jPE5b2v27aXq 0Wxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=wCSTaFd5FzZ/p3U7CDmOqPzzuwDVIuNhLBgf/EQ7cOM=; b=YJdOjAh5wW/rmy7oqjVzDac7eeCi8MObZ0YHl2i2Fmx/Z6qQNnXQqO67XT46QtvZg1 asZ0XMybxUdDl5hMjYykLijYLd0xZ0wovoKDzQDQoPO5CZkqGPi0IalkEmaN/fQNrvjC sAx9ddu6OhkPYjVqDI14NmPJikoXk7BX5JEJluernvFc9BLXQyd5rfZdEqHqAaGsrwgL SGBG6UHYUnR0QO+c0xHs5FIIOqIjlc2B+FN0xHEToPvPsB5OGSspUhCcszMd08VAv0It dtEnZn9CdDBIRM05lAAsp7wKn3L7HecfIIBuhT74ARHmdhj2CXZMz71f8w1BD5rfsojG m9Kw== X-Gm-Message-State: AOAM5331EGR9VVlBRpKYYf0JJO3LfdExTnTsTJdMZJ5hHAhqR/5R8ggW 8YMdNIn1xiz83qs3FKYrr9IQ+YKNnt9i8w== X-Google-Smtp-Source: ABdhPJz/o+GBt1XcCVkfayxnoOcONHpUF2ZoxZBGVCmrdX/gXs8uwz4eQq6YksOHynTSp274sulI1Q== X-Received: by 2002:a05:6402:b2c:: with SMTP id bo12mr11895324edb.196.1619882827256; Sat, 01 May 2021 08:27:07 -0700 (PDT) Received: from exnet.gdb.it (mob-5-90-161-227.net.vodafone.it. [5.90.161.227]) by smtp.gmail.com with ESMTPSA id l1sm6037460edt.59.2021.05.01.08.27.06 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 01 May 2021 08:27:06 -0700 (PDT) From: Giuseppe Della Bianca To: linux-bcache@vger.kernel.org Subject: [BCACHE] Parameter setting Date: Sat, 01 May 2021 17:26:52 +0200 Message-ID: <3602435.kQq0lBPeGt@exnet.gdb.it> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: linux-bcache@vger.kernel.org Hi. To set parameters I used this udev rule /etc/udev/rules.d/70-bcache-tuning.rules SUBSYSTEM!="block", GOTO="end_rule" ENV{DEVTYPE}=="partition", GOTO="end_rule" ACTION!="add|change", GOTO="end_rule" KERNEL=="bcache*", ATTR{bcache/sequential_cutoff}="300000000" LABEL="end_rule" gdb