From nobody Tue Feb 10 16:18:20 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 AE5B6337BB0; Wed, 28 Jan 2026 08:06:16 +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=1769587580; cv=none; b=njThAt1WZjy3mCR/gYwSUhZCWFrwwQr5nsv0CyMNaYFJo5CvochwkSuCH9pmnf7cxCtAnd5orLfOR64VEA/OgwpxCkiD07GXR+oW3E2h7rcvv4kSM+oHNxUFOPofBh+aVYLpNaqA3+FepjXx3XhWf/neNF74fVnmT8LqoKjGaZA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769587580; c=relaxed/simple; bh=uPbGkRkdQ/Qs9Cac59z9ZZlpwoX+7kYt4639x6+FwnY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=jS/15ee+JGs0jFuwUu6p3ylHxbtdF2lViJAJjOMgN35xccQr6uPU5x1rUjcAsa0K0YBosxbbb4DDokEluQ80DfYvSbupEWINf+Ut2ABhCm/0r/1MMNaWkEqjjhtVvyU/HPMgf07VHLBW2M+pfehBPzeUt5qIBUFrN/nIrYXeBRc= 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 [172.19.163.177]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTPS id 4f1FFY1md9zYQv07; Wed, 28 Jan 2026 16:05:37 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 33FE74058D; Wed, 28 Jan 2026 16:06:14 +0800 (CST) Received: from huaweicloud.com (unknown [10.50.87.129]) by APP4 (Coremail) with SMTP id gCh0CgBnFvd1w3lpPgyWFQ--.43207S7; Wed, 28 Jan 2026 16:06:14 +0800 (CST) From: linan666@huaweicloud.com To: song@kernel.org, yukuai@fnnas.com Cc: xni@redhat.com, linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, linan666@huaweicloud.com, yangerkun@huawei.com, yi.zhang@huawei.com Subject: [PATCH v2 03/14] md/raid1: use folio for tmppage Date: Wed, 28 Jan 2026 15:56:57 +0800 Message-Id: <20260128075708.2259525-4-linan666@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20260128075708.2259525-1-linan666@huaweicloud.com> References: <20260128075708.2259525-1-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: gCh0CgBnFvd1w3lpPgyWFQ--.43207S7 X-Coremail-Antispam: 1UD129KBjvJXoWxZF48CF1rKrW5Jw4fGFWfZrb_yoW5CFWUpa n8G3Z5tr4UJr98JryDJFWkua4Sgw1xKayjkFZrG3yS9FsaqF95ZayYk34jgr1DXF98Ja4x XFZ8trW3ZF1rtF7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 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 tmppage to tmpfolio and use it throughout in raid1. Signed-off-by: Li Nan Reviewed-by: Xiao Ni --- drivers/md/raid1.h | 2 +- drivers/md/raid1.c | 18 ++++++++++-------- 2 files changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h index c98d43a7ae99..d480b3a8c2c4 100644 --- a/drivers/md/raid1.h +++ b/drivers/md/raid1.h @@ -101,7 +101,7 @@ struct r1conf { /* temporary buffer to synchronous IO when attempting to repair * a read error. */ - struct page *tmppage; + struct folio *tmpfolio; =20 /* When taking over an array from a different personality, we store * the new thread here until we fully activate the array. diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 407925951299..43453f1a04f4 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2417,8 +2417,8 @@ static void fix_read_error(struct r1conf *conf, struc= t r1bio *r1_bio) rdev->recovery_offset >=3D sect + s)) && rdev_has_badblock(rdev, sect, s) =3D=3D 0) { atomic_inc(&rdev->nr_pending); - if (sync_page_io(rdev, sect, s<<9, - conf->tmppage, REQ_OP_READ, false)) + if (sync_folio_io(rdev, sect, s<<9, 0, + conf->tmpfolio, REQ_OP_READ, false)) success =3D 1; rdev_dec_pending(rdev, mddev); if (success) @@ -2447,7 +2447,8 @@ static void fix_read_error(struct r1conf *conf, struc= t r1bio *r1_bio) !test_bit(Faulty, &rdev->flags)) { atomic_inc(&rdev->nr_pending); r1_sync_page_io(rdev, sect, s, - conf->tmppage, REQ_OP_WRITE); + folio_page(conf->tmpfolio, 0), + REQ_OP_WRITE); rdev_dec_pending(rdev, mddev); } } @@ -2461,7 +2462,8 @@ static void fix_read_error(struct r1conf *conf, struc= t r1bio *r1_bio) !test_bit(Faulty, &rdev->flags)) { atomic_inc(&rdev->nr_pending); if (r1_sync_page_io(rdev, sect, s, - conf->tmppage, REQ_OP_READ)) { + folio_page(conf->tmpfolio, 0), + REQ_OP_READ)) { atomic_add(s, &rdev->corrected_errors); pr_info("md/raid1:%s: read error corrected (%d sectors at %llu on %pg= )\n", mdname(mddev), s, @@ -3120,8 +3122,8 @@ static struct r1conf *setup_conf(struct mddev *mddev) if (!conf->mirrors) goto abort; =20 - conf->tmppage =3D alloc_page(GFP_KERNEL); - if (!conf->tmppage) + conf->tmpfolio =3D folio_alloc(GFP_KERNEL, 0); + if (!conf->tmpfolio) goto abort; =20 r1bio_size =3D offsetof(struct r1bio, bios[mddev->raid_disks * 2]); @@ -3196,7 +3198,7 @@ static struct r1conf *setup_conf(struct mddev *mddev) if (conf) { mempool_destroy(conf->r1bio_pool); kfree(conf->mirrors); - safe_put_page(conf->tmppage); + folio_put(conf->tmpfolio); kfree(conf->nr_pending); kfree(conf->nr_waiting); kfree(conf->nr_queued); @@ -3310,7 +3312,7 @@ static void raid1_free(struct mddev *mddev, void *pri= v) =20 mempool_destroy(conf->r1bio_pool); kfree(conf->mirrors); - safe_put_page(conf->tmppage); + folio_put(conf->tmpfolio); kfree(conf->nr_pending); kfree(conf->nr_waiting); kfree(conf->nr_queued); --=20 2.39.2