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=-12.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 3399DC433E7 for ; Thu, 15 Oct 2020 20:38:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CC8A6206C1 for ; Thu, 15 Oct 2020 20:38:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="PWAgx0cv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732649AbgJOUi0 (ORCPT ); Thu, 15 Oct 2020 16:38:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388441AbgJOUiU (ORCPT ); Thu, 15 Oct 2020 16:38:20 -0400 Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED30DC061755 for ; Thu, 15 Oct 2020 13:38:19 -0700 (PDT) Received: by mail-pl1-x644.google.com with SMTP id y1so8886plp.6 for ; Thu, 15 Oct 2020 13:38:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=FJmpv1Chs+4ez0taUQRpf+yDAbThAuGyGWqraQ/2D+8=; b=PWAgx0cvqROIOAWFgn4P3uelyVDZYDqKNfF3UJGP8AiXomdXXC1LyBEPzd78F/vqCj IbhqJdo3FOXecQOQL93HHsHDtQ8weIfgOfJpOmd/dF1//Rp+Ek/WrfZKSIdW35adiO71 TmUDvwRkuS5s9XpZlPfP69ydXDNZAFfm+EuqfelAITzKQjMTTnAQKHQiouEBfGvRZ0YR jqOBIg3g4V92tF1uNjR/LqYr1t0Ip//79CF/Fj1QWFWXrpgvoytP8WnjF8jV+aa5ZoF1 JL5zgHcjYpn8qNVQtRqfi2i5cHol5VZWnby4wuXObh4Y2RgGNd0hx5FNe8sxdSSfD05a bEJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=FJmpv1Chs+4ez0taUQRpf+yDAbThAuGyGWqraQ/2D+8=; b=HC3LkkzLj6+AyGXul9UTqnfODJ1Y7h5+SWuw4pk/0f+t5uaCOpbT/sSzb2QQmzxa2W IcTb+gR645DqEhi8m+WiVybfBjzTH5CYtPkzGd0nVGEmW3EaW6+fuhco4vxkAkAIQRgK WGyE1t9pSJMdNgBwORWM+MTT+fZ7nsxGUBrync5YiPollkL2TD6yDnjtqf+os7z7byED cXPXWlw0iUpQtShb6gqAwkYYB0TlffZ5HZtmshjh4P+dj9vW6iYRzefjqC62wmYu+peb BqCpZSFqS0yw/l1BuCjx+XxECW7HHICOwG5/z9S8WAouxdwQIAJ3fqHnPgaO+Licy6el etqQ== X-Gm-Message-State: AOAM532QFIilIkDNZCWgDl7g2qZhItTNZLEq17ebj1HZIqv4r4sZj4hR E/L40GJoXMsTkL92icJ2GS1JhRIq5kg= X-Google-Smtp-Source: ABdhPJyiKFiy0P5uZFbihMITc37lX0I/k6Md0/gaVAg5kR9ynGXlhkxorExf4EuFP0CWXX4zADQGzg== X-Received: by 2002:a17:902:dc86:b029:d3:d3cb:7748 with SMTP id n6-20020a170902dc86b02900d3d3cb7748mr544509pld.22.1602794299125; Thu, 15 Oct 2020 13:38:19 -0700 (PDT) Received: from harshads-520.kir.corp.google.com ([2620:15c:17:10:a6ae:11ff:fe11:86a2]) by smtp.googlemail.com with ESMTPSA id j8sm136860pfr.121.2020.10.15.13.38.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Oct 2020 13:38:18 -0700 (PDT) From: Harshad Shirwadkar To: linux-ext4@vger.kernel.org Cc: tytso@mit.edu, Harshad Shirwadkar Subject: [PATCH v10 8/9] ext4: add a mount opt to forcefully turn fast commits on Date: Thu, 15 Oct 2020 13:38:00 -0700 Message-Id: <20201015203802.3597742-9-harshadshirwadkar@gmail.com> X-Mailer: git-send-email 2.29.0.rc1.297.gfa9743e501-goog In-Reply-To: <20201015203802.3597742-1-harshadshirwadkar@gmail.com> References: <20201015203802.3597742-1-harshadshirwadkar@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org This is a debug only mount option that forcefully turns fast commits on at mount time. Signed-off-by: Harshad Shirwadkar --- fs/ext4/super.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index ced05c6879a6..114753e66391 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1719,8 +1719,9 @@ enum { Opt_max_dir_size_kb, Opt_nojournal_checksum, Opt_nombcache, Opt_prefetch_block_bitmaps, Opt_no_fc, #ifdef CONFIG_EXT4_DEBUG - Opt_fc_debug_max_replay + Opt_fc_debug_max_replay, #endif + Opt_fc_debug_force }; static const match_table_t tokens = { @@ -1808,6 +1809,7 @@ static const match_table_t tokens = { {Opt_init_itable, "init_itable"}, {Opt_noinit_itable, "noinit_itable"}, {Opt_no_fc, "no_fc"}, + {Opt_fc_debug_force, "fc_debug_force"}, #ifdef CONFIG_EXT4_DEBUG {Opt_fc_debug_max_replay, "fc_debug_max_replay=%u"}, #endif @@ -2040,6 +2042,8 @@ static const struct mount_opts { MOPT_SET}, {Opt_no_fc, EXT4_MOUNT2_JOURNAL_FAST_COMMIT, MOPT_CLEAR | MOPT_2 | MOPT_EXT4_ONLY}, + {Opt_fc_debug_force, EXT4_MOUNT2_JOURNAL_FAST_COMMIT, + MOPT_SET | MOPT_2 | MOPT_EXT4_ONLY}, #ifdef CONFIG_EXT4_DEBUG {Opt_fc_debug_max_replay, 0, MOPT_GTE0}, #endif -- 2.29.0.rc1.297.gfa9743e501-goog