From nobody Tue Feb 10 17:07:53 2026 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) (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 7561525B1DC; Sat, 25 Oct 2025 03:30:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761363013; cv=none; b=B5rVdHaRVmbzs6V8eu5RBgFAQwjZt1yhnWbyZa1JvKmv5+7U9lxYXkJ7qCEKXan8t1ytNRbuclLKgC4RbeM06jGopeiJUQNH+EMjioHJRuARths7rAoX7p7BEVKHAg6HIQmuwzwKXigot/7h7XjJ+NkRPmAAJ1NMGJzW3Xato4k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761363013; c=relaxed/simple; bh=jbnnx0yRBWSRQpu331QjQj5/2MkS7HOnnvLDzALKl9k=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=EdyUiupDnvydf/X8sMDgVQLC32VZ6QSsMmiRq4oVv7HxWpr8jYPZ0bPmHhmVzL7Xl+oC3I557TrsS1fBPuuYBVt8gnoIVOwPAUJVrD/Zu8m/3cYa1RiKJLmtO4HRaXXoOQVTqcubhfdRJTATS6QTtVSZ+hx/LD/F4j6gIvpJjaA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.216]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTPS id 4ctlcL1mBNzYQtpV; Sat, 25 Oct 2025 11:29:06 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.75]) by mail.maildlp.com (Postfix) with ESMTP id DD1631A19E5; Sat, 25 Oct 2025 11:30:04 +0800 (CST) Received: from huaweicloud.com (unknown [10.50.87.129]) by APP2 (Coremail) with SMTP id Syh0CgBHnEQ6RPxox1YbBg--.45388S24; Sat, 25 Oct 2025 11:30:04 +0800 (CST) From: libaokun@huaweicloud.com To: linux-ext4@vger.kernel.org Cc: tytso@mit.edu, adilger.kernel@dilger.ca, jack@suse.cz, linux-kernel@vger.kernel.org, kernel@pankajraghav.com, mcgrof@kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, yi.zhang@huawei.com, yangerkun@huawei.com, chengzhihao1@huawei.com, libaokun1@huawei.com, libaokun@huaweicloud.com Subject: [PATCH 20/25] ext4: support large block size in __ext4_block_zero_page_range() Date: Sat, 25 Oct 2025 11:22:16 +0800 Message-Id: <20251025032221.2905818-21-libaokun@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20251025032221.2905818-1-libaokun@huaweicloud.com> References: <20251025032221.2905818-1-libaokun@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: Syh0CgBHnEQ6RPxox1YbBg--.45388S24 X-Coremail-Antispam: 1UD129KBjvdXoW7XFWxtrW7Gw47Cw4fKF1kAFb_yoWfWFgEkF W8Xr4rJanaqFnaya95Aan0q3Z2k3WrCr13ury3Jry5uFyDXFZ5Gw1DtrWYkr4qgF47WrW5 ArWkXFWYyF12gjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbmkFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAVCq3wA2048vs2 IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28E F7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr 1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0D M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r1Y6r17McIj6I8E87Iv67AKxVW8Jr0_Cr1UMcvjeVCFs4IE7xkEbVWUJVW8 JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2 ka0xkIwI1lw4CEc2x0rVAKj4xxMxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48J MxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwV AFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv2 0xvE14v26ryj6F1UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr1UMIIF0xvE42xK8V AvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E 14v26r4UJVWxJrUvcSsGvfC2KfnxnUUI43ZEXa7VUbG-e7UUUUU== X-CM-SenderInfo: 5olet0hnxqqx5xdzvxpfor3voofrz/1tbiAQAMBWj7UbRJIAABsW Content-Type: text/plain; charset="utf-8" From: Zhihao Cheng Use the EXT4_P_TO_LBLK() macro to convert folio indexes to blocks to avoid negative left shifts after supporting blocksize greater than PAGE_SIZE. Signed-off-by: Zhihao Cheng Signed-off-by: Baokun Li Reviewed-by: Zhang Yi Reviewed-by: Jan Kara --- fs/ext4/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index ce48cc6780a3..b3fa29923a1d 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4066,7 +4066,7 @@ static int __ext4_block_zero_page_range(handle_t *han= dle, =20 blocksize =3D inode->i_sb->s_blocksize; =20 - iblock =3D folio->index << (PAGE_SHIFT - inode->i_sb->s_blocksize_bits); + iblock =3D EXT4_P_TO_LBLK(inode, folio->index); =20 bh =3D folio_buffers(folio); if (!bh) --=20 2.46.1