From patchwork Thu Nov 26 13:04:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11933553 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=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 EE9B9C83029 for ; Thu, 26 Nov 2020 13:07:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B95EA21D7E for ; Thu, 26 Nov 2020 13:07:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="lbuMqndr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390060AbgKZNHt (ORCPT ); Thu, 26 Nov 2020 08:07:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390026AbgKZNHp (ORCPT ); Thu, 26 Nov 2020 08:07:45 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B51B7C0617A7; Thu, 26 Nov 2020 05:07:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=3s9ZV7/S/AMqijy+96nJeQSoiw9kLp/J9AYboOAYnhs=; b=lbuMqndrB4unGfBY2q8G5+moxM EuvFsvmmVuvx5mPiC+nnsGzQIcFdzQZi6ZsjodsHPBp7chjmprxWF707wat01mujb4rRcWkYVzfvJ xkcBoyNStiLpMrLVijQtl3GaDDdfzaLRmIQ4oVKAYpKq0DaqJcQ5JC+WwUL/Mgcst3eINsPBfyGRO c36pao99EtbARVjFs15yxmbrCl+aO/l1YeA9iQ7erqMEAllqKRsfSw0I8L0TUSp7OZzJ7+sx9bfcl WMhzpiY6mnI4jLPyIiCgWrzFmAUSNPMcmi1/TUxKLQ0+Bb42oiUEu3V3u861W9swvmCZiLxDAucig OsvEoqAg==; Received: from [2001:4bb8:18c:1dd6:27b8:b8a1:c13e:ceb1] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kiGzm-0004Ci-Ls; Thu, 26 Nov 2020 13:07:35 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Tejun Heo , Josef Bacik , Coly Li , Mike Snitzer , Greg Kroah-Hartman , Jan Kara , Johannes Thumshirn , dm-devel@redhat.com, Jan Kara , linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Chao Yu Subject: [PATCH 42/44] f2fs: remove a few bd_part checks Date: Thu, 26 Nov 2020 14:04:20 +0100 Message-Id: <20201126130422.92945-43-hch@lst.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201126130422.92945-1-hch@lst.de> References: <20201126130422.92945-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org bd_part is never NULL for a block device in use by a file system, so remove the checks. Signed-off-by: Christoph Hellwig Reviewed-by: Chao Yu --- fs/f2fs/checkpoint.c | 5 +---- fs/f2fs/sysfs.c | 9 --------- 2 files changed, 1 insertion(+), 13 deletions(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 023462e80e58d5..54a1905af052cc 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -1395,7 +1395,6 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) __u32 crc32 = 0; int i; int cp_payload_blks = __cp_payload(sbi); - struct super_block *sb = sbi->sb; struct curseg_info *seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); u64 kbytes_written; int err; @@ -1489,9 +1488,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) start_blk += data_sum_blocks; /* Record write statistics in the hot node summary */ - kbytes_written = sbi->kbytes_written; - if (sb->s_bdev->bd_part) - kbytes_written += BD_PART_WRITTEN(sbi); + kbytes_written = sbi->kbytes_written + BD_PART_WRITTEN(sbi); seg_i->journal->info.kbytes_written = cpu_to_le64(kbytes_written); diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index ec77ccfea923dc..24e876e849c512 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -90,11 +90,6 @@ static ssize_t free_segments_show(struct f2fs_attr *a, static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a, struct f2fs_sb_info *sbi, char *buf) { - struct super_block *sb = sbi->sb; - - if (!sb->s_bdev->bd_part) - return sprintf(buf, "0\n"); - return sprintf(buf, "%llu\n", (unsigned long long)(sbi->kbytes_written + BD_PART_WRITTEN(sbi))); @@ -103,12 +98,8 @@ static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a, static ssize_t features_show(struct f2fs_attr *a, struct f2fs_sb_info *sbi, char *buf) { - struct super_block *sb = sbi->sb; int len = 0; - if (!sb->s_bdev->bd_part) - return sprintf(buf, "0\n"); - if (f2fs_sb_has_encrypt(sbi)) len += scnprintf(buf, PAGE_SIZE - len, "%s", "encryption");