Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp1010753rwb; Tue, 29 Nov 2022 07:58:42 -0800 (PST) X-Google-Smtp-Source: AA0mqf42WBMvKsRBjhHFMQjbXfjsKmGnW+mOBf81Nc6GlK6gizN9IVbEfj/rRSfHqGcI3RU3ESjj X-Received: by 2002:a62:b417:0:b0:56b:b838:a4de with SMTP id h23-20020a62b417000000b0056bb838a4demr59216845pfn.73.1669737522650; Tue, 29 Nov 2022 07:58:42 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1669737522; cv=none; d=google.com; s=arc-20160816; b=aN6AtqSe3fBjyigoDuLt3eblO6HgvoGAbAi/CwiZprLTCuFPm1fAJI+L52S5PSyJyY L5Aa6jOPBaKf7nWEgsPib1q7v81INdCJuNPq2nlhm3lDYVOEwTw8Yfta8/G+iRxSp5C1 4hjHahFCkRBI3zLM1OJpK0cv2mzCZuRe1duym8cD8Q8cT4bjIu649Rm4H1Gae1nt3b/W KkYg/ABgy2RQVxLbIFhh7LYQxlg4/0fdhL2C0h93GBjaXIq5OE0xNUUGHXFN+R5wUVe+ gZDBZ0GNxVqEFPC5te/NID7VVrmfd77irwpq1NZ4T0PAronYxcVp5JbNq3RbnzECD+54 3YJg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=Rk/zup9YwtP6wVEyU/8jIMHrhqpi4hLvC8UOwjsZdG8=; b=ReP+xkcB2OA7ryn0CmyuDc+obm+gBEcGuORI9tQLrzpYUgLbyai77oPS1BnNyOsPlv OcvOuNwJb2GzDMUpdtXgzTZ2b1EL2KQ1OAPHk0wIZv9MeRQ5sJ8jTuquN+JXIWwGEOyn K5qLf7yPfykenYt1ItECV2QHziB1enbgr6ZS8QXELTE7kKqzWrJVhII6DWQpQeKbw+IW oMl4UKtJn+4bmyQwKfDtkQM91oKO+q6mzm+93gfXJ8Vq711Y2Ag2FQygWY+wWONOF5lH 85/12MUq/kmaBtJmlos+oGSaqyf3wxFo5SwdL3J2ttK3W1QiZGNpeOgPdPwkbfnzomYv jKWg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id p37-20020a056a000a2500b0053652e1c0b6si16840577pfh.12.2022.11.29.07.58.31; Tue, 29 Nov 2022 07:58:42 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236019AbiK2PrS (ORCPT + 84 others); Tue, 29 Nov 2022 10:47:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235970AbiK2PrC (ORCPT ); Tue, 29 Nov 2022 10:47:02 -0500 Received: from zju.edu.cn (mail.zju.edu.cn [61.164.42.155]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 3B2E459FED; Tue, 29 Nov 2022 07:47:01 -0800 (PST) Received: from localhost.localdomain (unknown [10.14.30.50]) by mail-app4 (Coremail) with SMTP id cS_KCgBnaMxfKYZjT2esCA--.15899S6; Tue, 29 Nov 2022 23:46:58 +0800 (CST) From: Jinlong Chen To: axboe@kernel.dk Cc: hch@lst.de, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nickyc975@zju.edu.cn Subject: [PATCH v2 4/5] elevator: repalce "len+name" with "name+len" in elv_iosched_show Date: Tue, 29 Nov 2022 23:46:37 +0800 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: cS_KCgBnaMxfKYZjT2esCA--.15899S6 X-Coremail-Antispam: 1UD129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjp_UUUYV7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr1j 6rxdM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2vYz4IE04k24VAvwVAKI4IrM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI 64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r106r15McIj6I8E87Iv67AKxVWUJVW8Jw Am72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAG YxC7MxAIw28IcxkI7VAKI48JMxAIw28IcVCjz48v1sIEY20_GFWkJr1UJwCFx2IqxVCFs4 IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1r MI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJV WUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j 6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYx BIdaVFxhVjvjDU0xZFpf9x0JUAkucUUUUU= X-CM-SenderInfo: qssqjiaqqzq6lmxovvfxof0/1tbiAgEJB1ZdtcpF9wAAsL X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The "pointer + offset" pattern is more resonable. Signed-off-by: Jinlong Chen Reviewed-by: Christoph Hellwig --- block/elevator.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/elevator.c b/block/elevator.c index b2f2252f29e7..8a5c171306f1 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -783,7 +783,7 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name) } spin_unlock(&elv_list_lock); - len += sprintf(len+name, "\n"); + len += sprintf(name+len, "\n"); return len; } -- 2.34.1