From nobody Tue Dec 2 02:05:54 2025 Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) (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 745922EF65B; Fri, 21 Nov 2025 09:16:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763716608; cv=none; b=XjpgxPdPe/CMtuB3fJ2qvfIQ+9VXDkp+aT4cJSr454xbR/7Fq7IHFw3V6PwO+T/L4/cE7PsEciiehWhyNx00tfZUKKLBN4F/SmaaDalx/QNc4buk+J+i5QcqtYW70YQWy6o6yZJEw2dnx3YHrL09l4RLZDyDAVAo7lttM7J0VuE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763716608; c=relaxed/simple; bh=hWC3P5vWjbyLSQ/0WYv8l+fw09eD6kixda6WLpVgMK8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=HTMQJ8JZE2WfImKE3D8OAuKyBZn5w+GCKLgu7Oq02bY9nkE8ZcaKB3FoSOq9d7w1NYkmaM7SD9xQNh2MHZSvkGvbm3msu+SXsPoaUlIEvwcLkTuEqOZP8feH5DKxfWB7RtCZYyOpkAhrKdaCpmbY700GKy0W21j8Qw/KurBmqHI= 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=45.249.212.56 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 dggsgout12.his.huawei.com (SkyGuard) with ESMTPS id 4dCV2N0F9JzKHMvC; Fri, 21 Nov 2025 17:16:12 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.75]) by mail.maildlp.com (Postfix) with ESMTP id 0093D1A1449; Fri, 21 Nov 2025 17:16:42 +0800 (CST) Received: from huaweicloud.com (unknown [10.50.87.129]) by APP2 (Coremail) with SMTP id Syh0CgBHpXv4LSBpaLMDBg--.2072S9; Fri, 21 Nov 2025 17:16:42 +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, ebiggers@kernel.org, willy@infradead.org, yi.zhang@huawei.com, yangerkun@huawei.com, chengzhihao1@huawei.com, libaokun1@huawei.com, libaokun@huaweicloud.com Subject: [PATCH v4 05/24] ext4: enable DIOREAD_NOLOCK by default for BS > PS as well Date: Fri, 21 Nov 2025 17:06:35 +0800 Message-Id: <20251121090654.631996-6-libaokun@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20251121090654.631996-1-libaokun@huaweicloud.com> References: <20251121090654.631996-1-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: Syh0CgBHpXv4LSBpaLMDBg--.2072S9 X-Coremail-Antispam: 1UD129KBjvdXoW7XF18GFWrWFykGry8Kr47twb_yoWftrcEvF WfJrW7Gr4rJw1S9a4rua1UJFs0kw4I9r1rGws5tr15X3ZIqrWxX34qqrZ5GF15uF4rXrWf Ars5XF13KryagjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbm8FF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAVCq3wA2048vs2 IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28E F7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr 1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0D M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r1Y6r17McIj6I8E87Iv67AKxVW8Jr0_Cr1UMcvjeVCFs4IE7xkEbVWUJVW8 JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2 ka0xkIwI1lw4CEc2x0rVAKj4xxMxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48J MxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwV AFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv2 0xvE14v26r1I6r4UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1lIxAIcVCF04k26c xKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAF wI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUdsqAUUUUU= X-CM-SenderInfo: 5olet0hnxqqx5xdzvxpfor3voofrz/1tbiAgATBWkf34sfFAAAs9 Content-Type: text/plain; charset="utf-8" From: Baokun Li The dioread_nolock related processes already support large folio, so dioread_nolock is enabled by default regardless of whether the blocksize is less than, equal to, or greater than PAGE_SIZE. Signed-off-by: Baokun Li Reviewed-by: Zhang Yi Reviewed-by: Jan Kara --- fs/ext4/super.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 707f890d674e..f39679892e71 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -4392,8 +4392,7 @@ static void ext4_set_def_opts(struct super_block *sb, ((def_mount_opts & EXT4_DEFM_NODELALLOC) =3D=3D 0)) set_opt(sb, DELALLOC); =20 - if (sb->s_blocksize <=3D PAGE_SIZE) - set_opt(sb, DIOREAD_NOLOCK); + set_opt(sb, DIOREAD_NOLOCK); } =20 static int ext4_handle_clustersize(struct super_block *sb) --=20 2.46.1