From nobody Tue Nov 26 05:48:27 2024 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 E7B071FEFC0; Tue, 22 Oct 2024 03:13:07 +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=1729566790; cv=none; b=nj+u32SIKCsD1RPAvIMIttvEMKkftKqmksjd2JVzV2OV46qlTQI84NV9aCE+FZ0IJllTsgTtnu2C0CtHw+Zpbj7yCkFxkDKZWGlkFvfL/kOlw7IEiI3UYAZMjZuI3+p+eWjFkA6bsJi02Hngy9lOyBPsLISK6N12h4ZC+fBF+jw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729566790; c=relaxed/simple; bh=T7Ax1zmPeYMqNlopQKLb8lsCwVcBJZ9ZJijwkkRpwBM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=F0bPXJsbR0uh3ljwh0Dx/B6IYAE5Eo+fXaFD8QaL1xylCD6bvuqIf3Mwtz+A/0LD7oT9QmXxfFVkqLcRqh/1MLCeNkmFFJTO0iMG6vy8MAMApcuTORkUe3zwGOIJ8MaACR+yhjU/9D60EiwwMhfVS+V8ee/O5Qscj+fMUdwq1vU= 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 ESMTP id 4XXcgS68Hhz4f3jks; Tue, 22 Oct 2024 11:12:52 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 235601A018C; Tue, 22 Oct 2024 11:13:05 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.112.188]) by APP4 (Coremail) with SMTP id gCh0CgCXysYlGBdnPSwWEw--.716S29; Tue, 22 Oct 2024 11:13:04 +0800 (CST) From: Zhang Yi To: linux-ext4@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu, adilger.kernel@dilger.ca, jack@suse.cz, ritesh.list@gmail.com, hch@infradead.org, djwong@kernel.org, david@fromorbit.com, zokeefe@google.com, yi.zhang@huawei.com, yi.zhang@huaweicloud.com, chengzhihao1@huawei.com, yukuai3@huawei.com, yangerkun@huawei.com Subject: [PATCH 25/27] ext4: enable large folio for regular file with iomap buffered I/O path Date: Tue, 22 Oct 2024 19:10:56 +0800 Message-ID: <20241022111059.2566137-26-yi.zhang@huaweicloud.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20241022111059.2566137-1-yi.zhang@huaweicloud.com> References: <20241022111059.2566137-1-yi.zhang@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: gCh0CgCXysYlGBdnPSwWEw--.716S29 X-Coremail-Antispam: 1UD129KBjvJXoW7tFyrCw1fZw1xWr1xWF17Jrb_yoW8XrW7pr sxK3W8GrWkX34q9ws3KryxZr1Uta1xGw4UuFWF9wn8WrWDJ34SqF4jkF1xAF48JrWrA3y2 qFyIkr13Z3WfC3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUQm14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2jI8I6cxK62vIxIIY0VWUZVW8XwA2048vs2IY02 0E87I2jVAFwI0_JF0E3s1l82xGYIkIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0 rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6x IIjxv20xvEc7CjxVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vE x4A2jsIEc7CjxVAFwI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2 IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_JrI_JrylYx0Ex4A2jsIE14v26r1j6r4U McvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I64 8v4I1lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc7CjxVAaw2AFwI0_Jw0_GFyl42xK82IYc2Ij 64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x 8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6rW5MIIYrxkI7VAKI48JMIIF0xvE 2Ix0cI8IcVAFwI0_Xr0_Ar1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4UJVWxJr1lIxAIcV CF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF0xvEx4A2jsIE c7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuYvjTRio7uDUUUU X-CM-SenderInfo: d1lo6xhdqjqx5xdzvxpfor3voofrz/ Content-Type: text/plain; charset="utf-8" From: Zhang Yi Since we have converted the buffered I/O path to iomap for regular files, we can enable large folio support as well. This should result in significant performance gains for large I/O operations. Signed-off-by: Zhang Yi --- fs/ext4/ialloc.c | 4 +++- fs/ext4/inode.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 2e3e257b9808..6ff03fb74867 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -1333,8 +1333,10 @@ struct inode *__ext4_new_inode(struct mnt_idmap *idm= ap, } } =20 - if (ext4_should_use_buffered_iomap(inode)) + if (ext4_should_use_buffered_iomap(inode)) { ext4_set_inode_state(inode, EXT4_STATE_BUFFERED_IOMAP); + mapping_set_large_folios(inode->i_mapping); + } =20 ext4_update_inode_fsync_trans(handle, inode, 1); =20 diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 512094dc4117..97abc88e6658 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5437,8 +5437,10 @@ struct inode *__ext4_iget(struct super_block *sb, un= signed long ino, if (ret) goto bad_inode; =20 - if (ext4_should_use_buffered_iomap(inode)) + if (ext4_should_use_buffered_iomap(inode)) { ext4_set_inode_state(inode, EXT4_STATE_BUFFERED_IOMAP); + mapping_set_large_folios(inode->i_mapping); + } =20 if (S_ISREG(inode->i_mode)) { inode->i_op =3D &ext4_file_inode_operations; --=20 2.46.1