From nobody Tue Feb 10 15:46:34 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 EAF5329DB61; Wed, 17 Dec 2025 12:11:12 +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=1765973475; cv=none; b=VYula+sjZ02Lp+VOEGdN/CXZ1RDc94HHDz9mq+YrioU/+PZEQC9exrb/dmkzAzy33j8NPZrGFWj3dkhOf+tozl1/hLconjzQrcihJLxB1N4VOkkFU0M6zb+D6gySy70XtMvEVWfA5gxVvF65kvrgviuxd7XhDODEOrHxf9HNJ2I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765973475; c=relaxed/simple; bh=2b5c/j00HnDiVyqQ13d12XMbpabeqX+G9Qgg8I9MUbY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=E8xLuzGun8Tp0mIMx2w6WtzgrZ5w4arjWjs3NnfUb7jJlrGZEeFCFniiM/h6dEYxQZNSRT/Is837lBdSIX0d7383MGP4YAiOI+CHTBKGr3Rk+s84wFFEaa2FEgpAtvmCJDRHeOw50HRz1uBUe8ojP/td+RaRNutvjzXRQKxARd4= 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 [172.19.163.198]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTPS id 4dWXgl3NG2zYQvGF; Wed, 17 Dec 2025 20:10:43 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 511A340575; Wed, 17 Dec 2025 20:11:10 +0800 (CST) Received: from huaweicloud.com (unknown [10.50.87.129]) by APP4 (Coremail) with SMTP id gCh0CgAXd_fdnUJp6F0JAg--.52527S7; Wed, 17 Dec 2025 20:11:10 +0800 (CST) From: linan666@huaweicloud.com To: song@kernel.org, yukuai@fnnas.com Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, xni@redhat.com, linan666@huaweicloud.com, yangerkun@huawei.com, yi.zhang@huawei.com Subject: [PATCH 03/15] md: use folio for bb_folio Date: Wed, 17 Dec 2025 20:00:01 +0800 Message-Id: <20251217120013.2616531-4-linan666@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20251217120013.2616531-1-linan666@huaweicloud.com> References: <20251217120013.2616531-1-linan666@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: gCh0CgAXd_fdnUJp6F0JAg--.52527S7 X-Coremail-Antispam: 1UD129KBjvJXoWxWFy8tryfWF17uF4fKrW3ZFb_yoW5ZF4fpa ykWasxtr45Jr1jqwsrGFWvkasYv3sxKFW8trWayw13X3W3tw15KF1UtFy7Zr98AF9xAF4k Zw4UCrWUu3WIgr7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmC14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JrWl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJw A2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAa c4AC62xK8xCEY4vEwIxC4wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzV Aqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUXVWUAwAv7VC2z280aVAFwI0_Gr1j6F4UJwAm 72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYx C7M4kE6xkIj40Ew7xC0wCY1x0262kKe7AKxVWUAVWUtwCF04k20xvY0x0EwIxGrwCFx2Iq xVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r 106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AK xVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7 xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_ Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUB89NUUUUU= X-CM-SenderInfo: polqt0awwwqx5xdzvxpfor3voofrz/ Content-Type: text/plain; charset="utf-8" From: Li Nan Convert bio_page to bio_folio and use it throughout. Signed-off-by: Li Nan --- drivers/md/md.h | 3 ++- drivers/md/md.c | 25 +++++++++++++------------ 2 files changed, 15 insertions(+), 13 deletions(-) diff --git a/drivers/md/md.h b/drivers/md/md.h index 410f8a6b75e7..aa6d9df50fd0 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -144,7 +144,8 @@ struct md_rdev { struct block_device *bdev; /* block device handle */ struct file *bdev_file; /* Handle from open for bdev */ =20 - struct page *sb_page, *bb_page; + struct page *sb_page; + struct folio *bb_folio; int sb_loaded; __u64 sb_events; sector_t data_offset; /* start of data in array */ diff --git a/drivers/md/md.c b/drivers/md/md.c index 9dfd6f8da5b8..0732bbcdb95d 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1073,9 +1073,9 @@ void md_rdev_clear(struct md_rdev *rdev) rdev->sb_start =3D 0; rdev->sectors =3D 0; } - if (rdev->bb_page) { - put_page(rdev->bb_page); - rdev->bb_page =3D NULL; + if (rdev->bb_folio) { + folio_put(rdev->bb_folio); + rdev->bb_folio =3D NULL; } badblocks_exit(&rdev->badblocks); } @@ -1909,9 +1909,10 @@ static int super_1_load(struct md_rdev *rdev, struct= md_rdev *refdev, int minor_ =20 rdev->desc_nr =3D le32_to_cpu(sb->dev_number); =20 - if (!rdev->bb_page) { - rdev->bb_page =3D alloc_page(GFP_KERNEL); - if (!rdev->bb_page) + if (!rdev->bb_folio) { + rdev->bb_folio =3D folio_alloc(GFP_KERNEL, 0); + + if (!rdev->bb_folio) return -ENOMEM; } if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_BAD_BLOCKS) && @@ -1930,10 +1931,10 @@ static int super_1_load(struct md_rdev *rdev, struc= t md_rdev *refdev, int minor_ if (offset =3D=3D 0) return -EINVAL; bb_sector =3D (long long)offset; - if (!sync_page_io(rdev, bb_sector, sectors << 9, - rdev->bb_page, REQ_OP_READ, true)) + if (!sync_folio_io(rdev, bb_sector, sectors << 9, 0, + rdev->bb_folio, REQ_OP_READ, true)) return -EIO; - bbp =3D (__le64 *)page_address(rdev->bb_page); + bbp =3D (__le64 *)folio_address(rdev->bb_folio); rdev->badblocks.shift =3D sb->bblog_shift; for (i =3D 0 ; i < (sectors << (9-3)) ; i++, bbp++) { u64 bb =3D le64_to_cpu(*bbp); @@ -2300,7 +2301,7 @@ static void super_1_sync(struct mddev *mddev, struct = md_rdev *rdev) md_error(mddev, rdev); else { struct badblocks *bb =3D &rdev->badblocks; - __le64 *bbp =3D (__le64 *)page_address(rdev->bb_page); + __le64 *bbp =3D (__le64 *)folio_address(rdev->bb_folio); u64 *p =3D bb->page; sb->feature_map |=3D cpu_to_le32(MD_FEATURE_BAD_BLOCKS); if (bb->changed) { @@ -2953,7 +2954,7 @@ void md_update_sb(struct mddev *mddev, int force_chan= ge) md_write_metadata(mddev, rdev, rdev->badblocks.sector, rdev->badblocks.size << 9, - rdev->bb_page, 0); + folio_page(rdev->bb_folio, 0), 0); rdev->badblocks.size =3D 0; } =20 @@ -3809,7 +3810,7 @@ int md_rdev_init(struct md_rdev *rdev) rdev->sb_events =3D 0; rdev->last_read_error =3D 0; rdev->sb_loaded =3D 0; - rdev->bb_page =3D NULL; + rdev->bb_folio =3D NULL; atomic_set(&rdev->nr_pending, 0); atomic_set(&rdev->read_errors, 0); atomic_set(&rdev->corrected_errors, 0); --=20 2.39.2