From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-178.mta1.migadu.com (out-178.mta1.migadu.com [95.215.58.178]) (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 2076E367F21 for ; Wed, 1 Apr 2026 07:08:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.178 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775027302; cv=none; b=cRLnaNSAOhJG3ACnzjEqLpOrFjZeGNMhB16/w+M++KrYZ1b6pXiQ5BV8Y3OKDGKh+uIiCOVLK/tFTv/P50CHoHb9SXBK2w+5UyIyjIithC17Ii9wSh6LXWtW2URV2ApZ6eDbpubnFLA9PI+/mTlKxmc3ffkpAA5NUICOf3U9y78= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775027302; c=relaxed/simple; bh=iQ9QVQG2CydO7XwuH1f8mGeLUQrVMU1F6To01zBZHx8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UHeJS4QDF4YJWf8lW9WmIUhMo8E5vbNRqCBdCiw6q0wY6weXSPYCIFPvhFUiYdczoa3L25sIJUBboZVyE7V0fUrJIGcbh686h6n72h9GMZTCRYxf2pOwFbggFTd5SH+yk8OINFFmKc/JDotwqr0zsRZ59IxGBhBgFicKV4MXvB0= 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=P9yan/Wp; arc=none smtp.client-ip=95.215.58.178 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="P9yan/Wp" 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=1775027299; 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=MeD88qOGFlY5dzKpFrWges5S0+Es8cq5SSHjo23Rw78=; b=P9yan/WpgdiOafeOuvMbGoW+QPBLiSD4K1qC6klGQl+uYjCKtjwRcMiXyusJIdozgOtUAQ fRPkBr35PJpVnCSU9eohuXRgyTpCRDuWl0KM2QB2lJdb/sQlbt5ZS7luj8euKzv+52h1qz KZjqp4eA+i9Km5Kt8wKo1arlrb4V0Xs= From: Jackie Liu To: axboe@kernel.dk, yukuai@fnnas.com Cc: linux-block@vger.kernel.org Subject: [PATCH 03/10] block: convert disk events sysfs show to sysfs_emit/sysfs_emit_at Date: Wed, 1 Apr 2026 15:07:09 +0800 Message-ID: <20260401070716.991-4-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()/sysfs_emit_at() instead of sprintf() for the disk events sysfs attributes. Signed-off-by: Jackie Liu --- block/disk-events.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/block/disk-events.c b/block/disk-events.c index 9f9f9f8a2d6b..b1680d6a1027 100644 --- a/block/disk-events.c +++ b/block/disk-events.c @@ -329,12 +329,12 @@ static ssize_t __disk_events_show(unsigned int events, char *buf) for (i = 0; i < ARRAY_SIZE(disk_events_strs); i++) if (events & (1 << i)) { - pos += sprintf(buf + pos, "%s%s", - delim, disk_events_strs[i]); + pos += sysfs_emit_at(buf, pos, "%s%s", + delim, disk_events_strs[i]); delim = " "; } if (pos) - pos += sprintf(buf + pos, "\n"); + pos += sysfs_emit_at(buf, pos, "\n"); return pos; } @@ -361,8 +361,8 @@ static ssize_t disk_events_poll_msecs_show(struct device *dev, struct gendisk *disk = dev_to_disk(dev); if (!disk->ev) - return sprintf(buf, "-1\n"); - return sprintf(buf, "%ld\n", disk->ev->poll_msecs); + return sysfs_emit(buf, "-1\n"); + return sysfs_emit(buf, "%ld\n", disk->ev->poll_msecs); } static ssize_t disk_events_poll_msecs_store(struct device *dev, -- 2.51.1