From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 33C914BEE43 for ; Sat, 12 Sep 2026 01:43:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789177426; cv=none; b=Fl+cjEJl6wt4AoXTlmexJ+s2jULpXGL8Tq/aN3xd0mAw12cUGG2GvuQ0vnk+AqCtaATsZAhDOZk2spOUlqr9vdpvnNtIwWrgqMAlje4FBHqsMI9p3w7JFunS1ortRobzVOxuQEYl+Oq/smk6/qEAAP3DvN87/MEJcy7K1Rho47U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789177426; c=relaxed/simple; bh=ADGreUnivR2m/8YiWfsIwEjpfav5ecLrinyhCL9skKY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NDvpLhmzo7bbsXvMVsz59E749aXeAp/A9D5ZdZ2OgCk4iWElruqp4uQaud90q8TrVnsvBdFHKMkkL9kp5IJpvfNjvRzJ8iVF/lN5CaYZqEvs6LB78ymJ9+zxgZ3AFH+1L9uWSmV+mvL8piDtGW9JQF9qjRGmevXkwqSzWuTJ3SE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BrdXAepi; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BrdXAepi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 765F71F000FF; Sat, 12 Sep 2026 01:43:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789177425; bh=t4JELfo/kBbq8F6sLc/EM1zWdgPSE1Nj4ujwzpJY+n0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=BrdXAepi/wAPQ8emt6UAixa/hwd//pmacKSyU/WTKXzNx4+/qNlD8lIVV+tPDOjsO Yowrr++4FKWXJaGJGTDwI0NiKKE1VT9WW9xgenAAm5LFd3x3EczcXum3aHUcNtwGnW 8/3XZIDk0MCHPkWnPt+u3ztrCmLf0arq3h51XqkaF0NkgjrrnQVvxvqpYbntKyob9q UOsTXARMs8l5PMSxvyZOXrR69Pyam9Xf5CsdnsvCnVMOpPZiDG+TZ1jX6vxtYq4xWS ir81SVPgTFzEeHeRcimpTII0XxTqZfZ2MBcZ6XmYMH95NZ6+DzM6dZJmdIraN4/xaj 6T2DYJFbPmLeg== From: Sasha Levin To: stable@vger.kernel.org Cc: Yangtao Li , Chao Yu , Jaegeuk Kim , Sasha Levin Subject: [PATCH 5.15.y 1/4] f2fs: convert to use sysfs_emit Date: Fri, 11 Sep 2026 21:43:40 -0400 Message-ID: <20260912014343.1817848-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <2026090930-appease-drainpipe-8027@gregkh> References: <2026090930-appease-drainpipe-8027@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Yangtao Li [ Upstream commit 084e15ea14bbb1ad40163438cfa74a76a1521c16 ] Let's use sysfs_emit. Signed-off-by: Yangtao Li Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim Stable-dep-of: 5cb33b00c8fb ("f2fs: avoid NULL checkpoint thread access in sysfs") Signed-off-by: Sasha Levin --- fs/f2fs/sysfs.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index cb13d47725432..9e6f13e82dec3 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -302,19 +302,14 @@ static ssize_t f2fs_sbi_show(struct f2fs_attr *a, if (!strcmp(a->attr.name, "ckpt_thread_ioprio")) { struct ckpt_req_control *cprc = &sbi->cprc_info; - int len = 0; int class = IOPRIO_PRIO_CLASS(cprc->ckpt_thread_ioprio); int data = IOPRIO_PRIO_DATA(cprc->ckpt_thread_ioprio); - if (class == IOPRIO_CLASS_RT) - len += scnprintf(buf + len, PAGE_SIZE - len, "rt,"); - else if (class == IOPRIO_CLASS_BE) - len += scnprintf(buf + len, PAGE_SIZE - len, "be,"); - else + if (class != IOPRIO_CLASS_RT && class != IOPRIO_CLASS_BE) return -EINVAL; - len += scnprintf(buf + len, PAGE_SIZE - len, "%d\n", data); - return len; + return sysfs_emit(buf, "%s,%d\n", + class == IOPRIO_CLASS_RT ? "rt" : "be", data); } #ifdef CONFIG_F2FS_FS_COMPRESSION -- 2.53.0