From nobody Thu Oct 2 05:03:24 2025 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 9ECF526F296; Tue, 23 Sep 2025 01:29:35 +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=1758590977; cv=none; b=mBYnBR78xSovoQXnnkaWQ7TsUks/2zZehjSN4aVwdhUPn/26EsDkglrTSrLP+76wPPIERUZb4VmtqpqwsGIgarg1NkobDnl9tpbI2zgh7r7Rlw3NzyRqH593lLptmtrjFAAPu9LlC7vkN+NFNV9qz9y+S6rXsw6aM+dibAtncuA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758590977; c=relaxed/simple; bh=CyYQn+cOs12tN7/PlpInkSiOd/5MvYS7xR1XrqzTHRc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Y/prZgVsCCfz+QayFwxSY+v75d58EaPQzBjMqb8ZasFAoL4ftuJ7VW9+AlZ4u+utR8wLIIfLHCFr2xmBds7OynImUbWU5sq6tWSPkZXhJHwCoeWXhSxOD+n3XPDObfjpWKEAqXSAK+HHnXnIX3QiOiJ0B+vG6ANtJ1ZhCGhnZtw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=none 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=none smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.216]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTPS id 4cW2Sv5lxLzYQv4h; Tue, 23 Sep 2025 09:29:19 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id F0DD21A1B01; Tue, 23 Sep 2025 09:29:24 +0800 (CST) Received: from huaweicloud.com (unknown [10.50.85.155]) by APP4 (Coremail) with SMTP id gCh0CgAXKWHq99FoGYYGAg--.10941S16; Tue, 23 Sep 2025 09:29:24 +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, yi.zhang@huawei.com, yi.zhang@huaweicloud.com, libaokun1@huawei.com, yukuai3@huawei.com, yangerkun@huawei.com Subject: [PATCH 12/13] ext4: add large folios support for moving extents Date: Tue, 23 Sep 2025 09:27:22 +0800 Message-ID: <20250923012724.2378858-13-yi.zhang@huaweicloud.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20250923012724.2378858-1-yi.zhang@huaweicloud.com> References: <20250923012724.2378858-1-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: gCh0CgAXKWHq99FoGYYGAg--.10941S16 X-Coremail-Antispam: 1UD129KBjvJXoWxGF1xWrWrJr1rGFWUKrWruFg_yoW5Xw43pF 1xKan3tFWkX34I9ry0qay7Zr15Ka4xtr4UWF4fJw1SyFyqvryIgr1jy3WxZFyrtrW8ArWF qF4SkryUWa1Dt3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmS14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F 4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq 3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUGVWUXwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2 kIc2xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkE bVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67 AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVW8JVW5JwCI 42IY6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF 4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY1x0267AKxVW8Jr0_Cr1UYxBI daVFxhVjvjDU0xZFpf9x0JUWMKtUUUUU= X-CM-SenderInfo: d1lo6xhdqjqx5xdzvxpfor3voofrz/ Content-Type: text/plain; charset="utf-8" From: Zhang Yi Pass the moving extent length into mext_folio_double_lock() so that it can acquire a higher-order folio if the length exceeds PAGE_SIZE. This can speed up extent moving when the extent is larger than one page. Additionally, remove the unnecessary comments from mext_folio_double_lock(). Signed-off-by: Zhang Yi --- fs/ext4/move_extent.c | 27 ++++++++++----------------- 1 file changed, 10 insertions(+), 17 deletions(-) diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index b478631e243c..c15294ce2aab 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -54,23 +54,14 @@ ext4_double_up_write_data_sem(struct inode *orig_inode, up_write(&EXT4_I(donor_inode)->i_data_sem); } =20 -/** - * mext_folio_double_lock - Grab and lock folio on both @inode1 and @inode2 - * - * @inode1: the inode structure - * @inode2: the inode structure - * @index1: folio index - * @index2: folio index - * @folio: result folio vector - * - * Grab two locked folio for inode's by inode order - */ -static int -mext_folio_double_lock(struct inode *inode1, struct inode *inode2, - pgoff_t index1, pgoff_t index2, struct folio *folio[2]) +/* Grab and lock folio on both @inode1 and @inode2 by inode order. */ +static int mext_folio_double_lock(struct inode *inode1, struct inode *inod= e2, + pgoff_t index1, pgoff_t index2, size_t len, + struct folio *folio[2]) { struct address_space *mapping[2]; unsigned int flags; + fgf_t fgp_flags =3D FGP_WRITEBEGIN; =20 BUG_ON(!inode1 || !inode2); if (inode1 < inode2) { @@ -83,14 +74,15 @@ mext_folio_double_lock(struct inode *inode1, struct ino= de *inode2, } =20 flags =3D memalloc_nofs_save(); - folio[0] =3D __filemap_get_folio(mapping[0], index1, FGP_WRITEBEGIN, + fgp_flags |=3D fgf_set_order(len); + folio[0] =3D __filemap_get_folio(mapping[0], index1, fgp_flags, mapping_gfp_mask(mapping[0])); if (IS_ERR(folio[0])) { memalloc_nofs_restore(flags); return PTR_ERR(folio[0]); } =20 - folio[1] =3D __filemap_get_folio(mapping[1], index2, FGP_WRITEBEGIN, + folio[1] =3D __filemap_get_folio(mapping[1], index2, fgp_flags, mapping_gfp_mask(mapping[1])); memalloc_nofs_restore(flags); if (IS_ERR(folio[1])) { @@ -214,7 +206,8 @@ static int mext_move_begin(struct mext_data *mext, stru= ct folio *folio[2], orig_pos =3D ((loff_t)mext->orig_map.m_lblk) << blkbits; donor_pos =3D ((loff_t)mext->donor_lblk) << blkbits; ret =3D mext_folio_double_lock(orig_inode, donor_inode, - orig_pos >> PAGE_SHIFT, donor_pos >> PAGE_SHIFT, folio); + orig_pos >> PAGE_SHIFT, donor_pos >> PAGE_SHIFT, + mext->orig_map.m_len << blkbits, folio); if (ret) return ret; =20 --=20 2.46.1