From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-188.mta1.migadu.com (out-188.mta1.migadu.com [95.215.58.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98E6636BCD7 for ; Wed, 1 Apr 2026 07:08:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.188 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775027304; cv=none; b=aBsS9gH2BQC7mHvVA+e7CuQj1ZRL4oqdW+yfota0PhPW2wBHSHM40zjGOMyYJqLwSEziDhZLnXK3YGG4zx8SgOKsqPdPU1eDtj+GcPAiFZOIxaB8bSjkW54r8bwrcNijxJoEFCga3qgqTHTJSAUG93aPJJCwYbqDVEyMeI+cdjA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775027304; c=relaxed/simple; bh=oki9Ye+NY+/Q4tb/P4dNK3f+vA8JkcPusZULwUsoVgY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IsJhKoyWYTURD+/mAIvRzIBQGQcepgxUf/m3N7CZwoFCI8sGgpsc66tCM+WGLjHSzQIXNvL67as5fNAAgUwC/vUWexcPtyQ/QyXaNC2kh2LE9yXqOcMvK+P+grv9ZGeh+AwI4WOG+Pmd8IhDMUt6rMqY31hQ8xaqqvEVLZeQ+mM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=ECTNUkHV; arc=none smtp.client-ip=95.215.58.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="ECTNUkHV" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1775027300; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VQ4NF6Kw/CrnmTOzxipIUBof2Dar5S2ibZH/zYluup4=; b=ECTNUkHVcYrD6B5Uv227LykRvbTnJ8w9/7rpo3L0YRh9X8TrHe/7wa5YdHnJ43Hl1uQQY5 by/VI7o1xonfmh+e601/apLPtaZ9nHgDoaACxukuhz/2hutSoOee6MKsHI3AnTmGoDASQv Cak+tzCHZxy8vGsvhiyqfs/ynfk8yjY= From: Jackie Liu To: axboe@kernel.dk, yukuai@fnnas.com Cc: linux-block@vger.kernel.org Subject: [PATCH 04/10] block: convert partition sysfs show to sysfs_emit() Date: Wed, 1 Apr 2026 15:07:10 +0800 Message-ID: <20260401070716.991-5-liu.yun@linux.dev> In-Reply-To: <20260401070716.991-1-liu.yun@linux.dev> References: <20260401070716.991-1-liu.yun@linux.dev> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT From: Jackie Liu Use sysfs_emit() instead of sprintf() for partition attribute show functions. Signed-off-by: Jackie Liu --- block/partitions/core.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/block/partitions/core.c b/block/partitions/core.c index 740228750aaf..41b5c09d4551 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -177,31 +177,31 @@ static struct parsed_partitions *check_partition(struct gendisk *hd) static ssize_t part_partition_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%d\n", bdev_partno(dev_to_bdev(dev))); + return sysfs_emit(buf, "%d\n", bdev_partno(dev_to_bdev(dev))); } static ssize_t part_start_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%llu\n", dev_to_bdev(dev)->bd_start_sect); + return sysfs_emit(buf, "%llu\n", dev_to_bdev(dev)->bd_start_sect); } static ssize_t part_ro_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%d\n", bdev_read_only(dev_to_bdev(dev))); + return sysfs_emit(buf, "%d\n", bdev_read_only(dev_to_bdev(dev))); } static ssize_t part_alignment_offset_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", bdev_alignment_offset(dev_to_bdev(dev))); + return sysfs_emit(buf, "%u\n", bdev_alignment_offset(dev_to_bdev(dev))); } static ssize_t part_discard_alignment_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", bdev_discard_alignment(dev_to_bdev(dev))); + return sysfs_emit(buf, "%u\n", bdev_discard_alignment(dev_to_bdev(dev))); } static DEVICE_ATTR(partition, 0444, part_partition_show, NULL); -- 2.51.1