From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 B462C1FF7C5; Tue, 12 Aug 2025 18:21:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755022877; cv=none; b=NvDjKe7lyuPZ5kje9XAB6H183+ghjRPQqtHp1qBrLIq7X+QmEUdcUhu8wwsbHPdY99GYkyeKB/L3uu9GoliW+i4KZLtilvur2bqiEL6q27bt2i2xUZtize5MfBRuJuuAVaKjrUtYRGuAU0HptzLoE5cl2hNywaiqyrMTRRNnvgc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755022877; c=relaxed/simple; bh=0kYvsHNPYeip7p5Pt554CkIvCRPN2DmKO4HF8yhTj2c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CYMphYq7qVohNQM6gRWGijLTV6DmeC1hWG6FGAdgCSIkboO/zqYXe8/klaCgV5+wqisTg7LleLcnuwGqYLNdKsGswH2NgMBlA/cxgzZ2znLGobFU1uJw1GgNiHUg0w5ipvPCANNOqRD69InUz8zY8wW36w9cjyoagwNfFnPWW2o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=LjfTlEVh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="LjfTlEVh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 365A2C4CEF0; Tue, 12 Aug 2025 18:21:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755022877; bh=0kYvsHNPYeip7p5Pt554CkIvCRPN2DmKO4HF8yhTj2c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LjfTlEVhuBTitjcT4kajp/P+1f3L0czKf84uim+gafwdwNrKL6cXss7/0Nhpn0UuO mvPU0QpT/sesHK1b/xFsmJzvPZIOsuBsvCzRnQrbE62KCqwskuFG1doGTMlaDb/WIS Sl49TdMfqp1I8C/xVnaETk6QEAqCdZNlcn9kgA30= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Daeho Jeong , Chao Yu , Jaegeuk Kim , Sasha Levin Subject: [PATCH 6.12 253/369] f2fs: fix to check upper boundary for gc_valid_thresh_ratio Date: Tue, 12 Aug 2025 19:29:10 +0200 Message-ID: <20250812173024.278553264@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812173014.736537091@linuxfoundation.org> References: <20250812173014.736537091@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chao Yu [ Upstream commit 7a96d1d73ce9de5041e891a623b722f900651561 ] This patch adds missing upper boundary check while setting gc_valid_thresh_ratio via sysfs. Fixes: e791d00bd06c ("f2fs: add valid block ratio not to do excessive GC for one time GC") Cc: Daeho Jeong Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/sysfs.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index b450046c24ab..d79d8041b8b7 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -630,6 +630,13 @@ static ssize_t __sbi_store(struct f2fs_attr *a, return count; } + if (!strcmp(a->attr.name, "gc_valid_thresh_ratio")) { + if (t > 100) + return -EINVAL; + *ui = (unsigned int)t; + return count; + } + #ifdef CONFIG_F2FS_IOSTAT if (!strcmp(a->attr.name, "iostat_enable")) { sbi->iostat_enable = !!t; -- 2.39.5