From patchwork Mon Sep 27 07:21:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 12519221 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D9FFCC433EF for ; Mon, 27 Sep 2021 07:22:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BFBD46023D for ; Mon, 27 Sep 2021 07:22:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233217AbhI0HYO (ORCPT ); Mon, 27 Sep 2021 03:24:14 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:56806 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233210AbhI0HYG (ORCPT ); Mon, 27 Sep 2021 03:24:06 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 06818200A0 for ; Mon, 27 Sep 2021 07:22:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1632727348; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3ncKf17UxJzZVDOoZtGqFB6jwID1kTkvQ4r52vd0ids=; b=GUD4zBWVS04HCrfHqeD0hlnoLTWfHN1EGh6DziLIcpMr6f5HUKox453JGnFan7Y1gY9G0I LaKiLCwuuF4Dp6JuMRuoLK6UdKNmqP3fyFvVUfFWg8lKqlslFKO0lXYeUQX1HKp4jOltkQ cvqxFn+teHKznbkGwzt9aPum7PipqUk= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 60A5213A1E for ; Mon, 27 Sep 2021 07:22:27 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id sBZqCzNxUWEVLAAAMHmgww (envelope-from ) for ; Mon, 27 Sep 2021 07:22:27 +0000 From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v3 01/26] btrfs: remove unused parameter @nr_pages in add_ra_bio_pages() Date: Mon, 27 Sep 2021 15:21:43 +0800 Message-Id: <20210927072208.21634-2-wqu@suse.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210927072208.21634-1-wqu@suse.com> References: <20210927072208.21634-1-wqu@suse.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Variable @nr_pages only get increased but never used. Remove it. Signed-off-by: Qu Wenruo --- fs/btrfs/compression.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 2a86a2a1494b..b50927740d27 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -551,7 +551,6 @@ static noinline int add_ra_bio_pages(struct inode *inode, u64 isize = i_size_read(inode); int ret; struct page *page; - unsigned long nr_pages = 0; struct extent_map *em; struct address_space *mapping = inode->i_mapping; struct extent_map_tree *em_tree; @@ -647,7 +646,6 @@ static noinline int add_ra_bio_pages(struct inode *inode, PAGE_SIZE, 0); if (ret == PAGE_SIZE) { - nr_pages++; put_page(page); } else { unlock_extent(tree, last_offset, end);