From nobody Tue Feb 10 03:37:20 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 AE632337BB5; 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=1769587579; cv=none; b=iuNt2M5upefTi9M18fSS6zAnYcDSx4OnlHArbKtthRPdz5Gjt/ph9Sm19DYbtC7Rcwe50JpgG1F/vWpKYG1YqiQEfJ9i6GyG9FvQwsf1OlhsSunag7ivf+vJyfl5EFl0Nx19/qkpX8EA38Ksa4dSypES6Ju7kWlHF34IRi2yHx4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769587579; c=relaxed/simple; bh=pAjD63mRAWWvzH6X+Se7BDY3sx5axMN3Xu035H+ssTA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=L6BqgPLKW4STYzy++Gpn1W4twnogVoAg8BJpC+5GgjaDlCpEjGOiRJJhrZLmHuSjmBVmUdZ9+iHVwXACA2lcUVphYW4VCw+nXwsadvRhfEMwNJtonQczsWsGjrlvW9+4uSVN4DV9gkwq2ynjc3U9FPvJlCwdOuS/Oni4ar1DwgI= 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 [172.19.163.170]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTPS id 4f1FFY2WpRzYQv0Z; 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 4C0A34056B; 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--.43207S8; 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 04/14] md/raid10: use folio for tmppage Date: Wed, 28 Jan 2026 15:56:58 +0800 Message-Id: <20260128075708.2259525-5-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--.43207S8 X-Coremail-Antispam: 1UD129KBjvJXoWxAr18Kr1xGF1fCw13Gr18uFg_yoW5Kw4fpa 1DGasIyrWUJw43Xw1DJayDC3WrK34SkFWUtrZ7W3yfua1ftr95K3WUJ3yjgFyDXF98JF1x XFW5XrW3u3Z7tF7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUQj14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F 4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq 3wAac4AC62xK8xCEY4vEwIxC4wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0V AKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUXVWUAwAv7VC2z280aVAFwI0_Gr1j6F4U JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20V AGYxC7M4kE6xkIj40Ew7xC0wCY1x0262kKe7AKxVWUAVWUtwCF04k20xvY0x0EwIxGrwCF x2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14 v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY 67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2 IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_ Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUvhFsUUUUU= X-CM-SenderInfo: polqt0awwwqx5xdzvxpfor3voofrz/ Content-Type: text/plain; charset="utf-8" From: Li Nan Convert tmppage to tmpfolio and use it throughout in raid10. Signed-off-by: Li Nan Reviewed-by: Xiao Ni --- drivers/md/raid10.h | 2 +- drivers/md/raid10.c | 37 +++++++++++++++++++------------------ 2 files changed, 20 insertions(+), 19 deletions(-) diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h index ec79d87fb92f..19f37439a4e2 100644 --- a/drivers/md/raid10.h +++ b/drivers/md/raid10.h @@ -89,7 +89,7 @@ struct r10conf { =20 mempool_t r10bio_pool; mempool_t r10buf_pool; - struct page *tmppage; + struct folio *tmpfolio; struct bio_set bio_split; =20 /* When taking over an array from a different personality, we store diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 1e57d9ce98e7..09238dc9cde6 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -2581,13 +2581,13 @@ static void recovery_request_write(struct mddev *md= dev, struct r10bio *r10_bio) } } =20 -static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector, - int sectors, struct page *page, enum req_op op) +static int r10_sync_folio_io(struct md_rdev *rdev, sector_t sector, + int sectors, struct folio *folio, enum req_op op) { if (rdev_has_badblock(rdev, sector, sectors) && (op =3D=3D REQ_OP_READ || test_bit(WriteErrorSeen, &rdev->flags))) return -1; - if (sync_page_io(rdev, sector, sectors << 9, page, op, false)) + if (sync_folio_io(rdev, sector, sectors << 9, 0, folio, op, false)) /* success */ return 1; if (op =3D=3D REQ_OP_WRITE) { @@ -2650,12 +2650,13 @@ static void fix_read_error(struct r10conf *conf, st= ruct mddev *mddev, struct r10 r10_bio->devs[sl].addr + sect, s) =3D=3D 0) { atomic_inc(&rdev->nr_pending); - success =3D sync_page_io(rdev, - r10_bio->devs[sl].addr + - sect, - s<<9, - conf->tmppage, - REQ_OP_READ, false); + success =3D sync_folio_io(rdev, + r10_bio->devs[sl].addr + + sect, + s<<9, + 0, + conf->tmpfolio, + REQ_OP_READ, false); rdev_dec_pending(rdev, mddev); if (success) break; @@ -2698,10 +2699,10 @@ static void fix_read_error(struct r10conf *conf, st= ruct mddev *mddev, struct r10 continue; =20 atomic_inc(&rdev->nr_pending); - if (r10_sync_page_io(rdev, - r10_bio->devs[sl].addr + - sect, - s, conf->tmppage, REQ_OP_WRITE) + if (r10_sync_folio_io(rdev, + r10_bio->devs[sl].addr + + sect, + s, conf->tmpfolio, REQ_OP_WRITE) =3D=3D 0) { /* Well, this device is dead */ pr_notice("md/raid10:%s: read correction write failed (%d sectors at %= llu on %pg)\n", @@ -2730,10 +2731,10 @@ static void fix_read_error(struct r10conf *conf, st= ruct mddev *mddev, struct r10 continue; =20 atomic_inc(&rdev->nr_pending); - switch (r10_sync_page_io(rdev, + switch (r10_sync_folio_io(rdev, r10_bio->devs[sl].addr + sect, - s, conf->tmppage, REQ_OP_READ)) { + s, conf->tmpfolio, REQ_OP_READ)) { case 0: /* Well, this device is dead */ pr_notice("md/raid10:%s: unable to read back corrected sectors (%d sec= tors at %llu on %pg)\n", @@ -3841,7 +3842,7 @@ static void raid10_free_conf(struct r10conf *conf) kfree(conf->mirrors); kfree(conf->mirrors_old); kfree(conf->mirrors_new); - safe_put_page(conf->tmppage); + folio_put(conf->tmpfolio); bioset_exit(&conf->bio_split); kfree(conf); } @@ -3879,8 +3880,8 @@ static struct r10conf *setup_conf(struct mddev *mddev) if (!conf->mirrors) goto out; =20 - conf->tmppage =3D alloc_page(GFP_KERNEL); - if (!conf->tmppage) + conf->tmpfolio =3D folio_alloc(GFP_KERNEL, 0); + if (!conf->tmpfolio) goto out; =20 conf->geo =3D geo; --=20 2.39.2