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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51917C433FE for ; Fri, 21 Oct 2022 08:55:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230433AbiJUIzR (ORCPT ); Fri, 21 Oct 2022 04:55:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230402AbiJUIzF (ORCPT ); Fri, 21 Oct 2022 04:55:05 -0400 Received: from mail-pf1-x42e.google.com (mail-pf1-x42e.google.com [IPv6:2607:f8b0:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE3958F278; Fri, 21 Oct 2022 01:54:55 -0700 (PDT) Received: by mail-pf1-x42e.google.com with SMTP id d10so1990184pfh.6; Fri, 21 Oct 2022 01:54:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=NW463Igz6cQC3RaEvw8WDzTJ4CdrSyo6nM6hGHOMkTg=; b=drX/ctD2faQZRSHwPE6bgBOPuQP4t2psLZ1zSbIMSreWD+ceMp5xID5RhVjMEGvhLo 7IszKXtAuSnpMk47VmJCpL8Kf0yYz+9YFbgjy8i7bFx/OqAI5Q2Xh9wUVtFCuiQv2+kj BChLBtgAMSfEssm6UC9Fp3o2L+GEOZlWVM/dIeM0Xi2oYLWXPdTB+dq1S02uC/s7YPSq 5a18zdlgdRXGC4SsQDVfkCHbeUZaCEj6AoNWF7dxByEiSuTEZ86LYwi312rM6QLvdE3i btXNYpZjrijjuR4ujJDOU6VIfWdH2sXrmv/xDMYAmyJJiMoy37JZ/hDyirc4QUbGkEZK n0Ug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=NW463Igz6cQC3RaEvw8WDzTJ4CdrSyo6nM6hGHOMkTg=; b=Sxklm+i+ki5kEV2ZSqSn6CxwRgY9K6ABEhoMoHq+ChcJ6QFuPY0xReUau+52QbY8Hb rbEvU3IurFjm+EEpsvm+T7z0AzrWISFlX5lYCJ5SaFqzo2Y/etAk6qdXmHJ4JvKLHxUY toQW+KiHCccsYXvNIUBsyP6GD5f3yTwBF80KM/PEIH/j5FII9d8a2dhHwY1TVqMrKBiG iiKtbo88MfjlEbhz9pPq9MJYMypILqlGuBbomPPdJZsSVq354AQ+rUwC3owyF8w53c5x aTi+3Pvgj/7kMQaWazXpd9aSBozs6hHixPNqFS9gMPMNfsLEnMHB0PGviJ92s7ypRA9m SYsQ== X-Gm-Message-State: ACrzQf2B9YT1itmBK0Um40co107NeQEvAGExriwzWmgfmcYrdjv5pIJ2 m7ONQcW2dB4zzVDDDIN/BbY= X-Google-Smtp-Source: AMsMyM51qvVJE1RiwK8mQdWSsdqQyT425nRze957rS+v3ZMVxZgWpeMTbwxPM6xlSZg/s+OWeuC2fA== X-Received: by 2002:a63:4507:0:b0:43c:9cf4:f1d6 with SMTP id s7-20020a634507000000b0043c9cf4f1d6mr15852327pga.316.1666342494338; Fri, 21 Oct 2022 01:54:54 -0700 (PDT) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id p3-20020a170902780300b001811a197797sm14069544pll.194.2022.10.21.01.54.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Oct 2022 01:54:53 -0700 (PDT) From: yexingchen116@gmail.com X-Google-Original-From: ye.xingchen@zte.com.cn To: axboe@kernel.dk Cc: kch@nvidia.com, damien.lemoal@opensource.wdc.com, johannes.thumshirn@wdc.com, bvanassche@acm.org, ming.lei@redhat.com, vincent.fu@samsung.com, shinichiro.kawasaki@wdc.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ye xingchen Subject: [PATCH linux-next] null_blk: use sysfs_emit() to instead of scnprintf() Date: Fri, 21 Oct 2022 08:54:46 +0000 Message-Id: <20221021085446.414696-1-ye.xingchen@zte.com.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: ye xingchen Replace the open-code with sysfs_emit() to simplify the code. Signed-off-by: ye xingchen --- drivers/block/null_blk/main.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c index 1f154f92f4c2..5317ef2ba227 100644 --- a/drivers/block/null_blk/main.c +++ b/drivers/block/null_blk/main.c @@ -255,18 +255,18 @@ static inline struct nullb_device *to_nullb_device(struct config_item *item) static inline ssize_t nullb_device_uint_attr_show(unsigned int val, char *page) { - return snprintf(page, PAGE_SIZE, "%u\n", val); + return sysfs_emit(page, "%u\n", val); } static inline ssize_t nullb_device_ulong_attr_show(unsigned long val, char *page) { - return snprintf(page, PAGE_SIZE, "%lu\n", val); + return sysfs_emit(page, "%lu\n", val); } static inline ssize_t nullb_device_bool_attr_show(bool val, char *page) { - return snprintf(page, PAGE_SIZE, "%u\n", val); + return sysfs_emit(page, "%u\n", val); } static ssize_t nullb_device_uint_attr_store(unsigned int *val, -- 2.25.1