From patchwork Fri Oct 16 03:55:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: brookxu X-Patchwork-Id: 1383044 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=QmbF8YPl; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CCC4Z5CK1z9sV0 for ; Fri, 16 Oct 2020 14:56:14 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394330AbgJPD4O (ORCPT ); Thu, 15 Oct 2020 23:56:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2394324AbgJPD4I (ORCPT ); Thu, 15 Oct 2020 23:56:08 -0400 Received: from mail-pj1-x1041.google.com (mail-pj1-x1041.google.com [IPv6:2607:f8b0:4864:20::1041]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B512C061755 for ; Thu, 15 Oct 2020 20:56:08 -0700 (PDT) Received: by mail-pj1-x1041.google.com with SMTP id j8so676931pjy.5 for ; Thu, 15 Oct 2020 20:56:08 -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; bh=/+nRZRg1osfRYD9wIlSKjZkJRaed31ccSuUL9TKtMjI=; b=QmbF8YPlMh+md2fPeAiQmSVZbJC6KcPij/C/i/25MNz+ghkdFOtOX+LGEqv6OHBRqG ODh9GpNUu/RaRntvlmRgFKVne+s/ipZMazy+y9A+gkiAzp1T3DCRkmNVBr0VW7ty1nka LF/2AcaA4BNJA9uTdEValiOd3c27wudpH6st9C6GVSqgZIFL/6pvnlL9yNbD5DkaOWea 6STUDrCR2XfMzjWC5ZXKffV8uelkqmlz2Wpkw9rUjavxSkLSlIioldlhMpgF0ypHdttE F4nQQ4lSSvwW4mg7EGZhi54TWABF0mqwGwx+LqpGnL8hc1RoGyv0NeTsL7jZ9LHExDCr hrZw== 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; bh=/+nRZRg1osfRYD9wIlSKjZkJRaed31ccSuUL9TKtMjI=; b=StHZKGoBvM06DSEohSnIn9O7xS1RK/uX39iPmEZ1yFNKPKn7o6Y+wS6hHJeNXJBfd+ smlwgcr/XEYKc8BB46h4LwPCiFOwn5x3K1NpZ4gjWUs2GhLOcnQWQY+gUTY04WFhIs/8 9XfSlz97NRgYOkYC0G3JyTJD1mqF4R43/NX37uaetOIM7Lu2PGgZ5V0aVWaCgfHjZqTh DsMxkaY4/QCtCv+mLVC/69Y8lFHfa9WEym1dOphOG/qyCCLNk2KhLG4dd+T0HaroXmGi Znkjt/tdXiw8gg4JUDc1DbMrto4UaiOpcoYPu2hDmpUW0aYZFP0ArkMUe2k19rIc/JeW kKcg== X-Gm-Message-State: AOAM530W6QM4CYisjqqpXZBX+1krPh2umvp9RRMnGCioV3QvOVEqYmkx EVbp2v3dFgJ8L1Mg7pBbcr4= X-Google-Smtp-Source: ABdhPJyO/50W041AisqWmmke5qIJXnUH0tO334TMypHApXce7vJ7aru3vJuQ2obktoMcHtm9rhpPig== X-Received: by 2002:a17:90a:7d06:: with SMTP id g6mr1997995pjl.113.1602820567800; Thu, 15 Oct 2020 20:56:07 -0700 (PDT) Received: from VM-0-6-centos.localdomain ([119.28.90.140]) by smtp.gmail.com with ESMTPSA id v12sm861555pgr.4.2020.10.15.20.56.06 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Oct 2020 20:56:07 -0700 (PDT) From: Chunguang Xu X-Google-Original-From: Chunguang Xu To: tytso@mit.edu, adilger.kernel@dilger.ca Cc: linux-ext4@vger.kernel.org Subject: [PATCH 6/8] ext4: update ext4_data_block_valid related comments Date: Fri, 16 Oct 2020 11:55:50 +0800 Message-Id: <1602820552-4082-6-git-send-email-brookxu@tencent.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1602820552-4082-1-git-send-email-brookxu@tencent.com> References: <1602820552-4082-1-git-send-email-brookxu@tencent.com> Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org From: Chunguang Xu Since ext4_data_block_valid() has been renamed to ext4_inode_block_valid(), the related comments need to be updated. Signed-off-by: Chunguang Xu --- fs/ext4/block_validity.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c index 5e98ca0..03b237f 100644 --- a/fs/ext4/block_validity.c +++ b/fs/ext4/block_validity.c @@ -206,7 +206,7 @@ static void ext4_destroy_system_zone(struct rcu_head *rcu) * * The update of system_blks pointer in this function is protected by * sb->s_umount semaphore. However we have to be careful as we can be - * racing with ext4_data_block_valid() calls reading system_blks rbtree + * racing with ext4_inode_block_valid() calls reading system_blks rbtree * protected only by RCU. That's why we first build the rbtree and then * swap it in place. */ @@ -262,7 +262,7 @@ int ext4_setup_system_zone(struct super_block *sb) /* * System blks rbtree complete, announce it once to prevent racing - * with ext4_data_block_valid() accessing the rbtree at the same + * with ext4_inode_block_valid() accessing the rbtree at the same * time. */ rcu_assign_pointer(sbi->system_blks, system_blks); @@ -282,7 +282,7 @@ int ext4_setup_system_zone(struct super_block *sb) * * The update of system_blks pointer in this function is protected by * sb->s_umount semaphore. However we have to be careful as we can be - * racing with ext4_data_block_valid() calls reading system_blks rbtree + * racing with ext4_inode_block_valid() calls reading system_blks rbtree * protected only by RCU. So we first clear the system_blks pointer and * then free the rbtree only after RCU grace period expires. */