From nobody Wed Dec 17 16:09:40 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8130EEE49A5 for ; Sun, 20 Aug 2023 09:17:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230270AbjHTJRN (ORCPT ); Sun, 20 Aug 2023 05:17:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230217AbjHTJRH (ORCPT ); Sun, 20 Aug 2023 05:17:07 -0400 Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8EA249F5; Sun, 20 Aug 2023 02:13:50 -0700 (PDT) Received: from mail02.huawei.com (unknown [172.30.67.169]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTP id 4RT8zr5dhmz4f3tCt; Sun, 20 Aug 2023 17:13:44 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP4 (Coremail) with SMTP id gCh0CgAnBahH2eFkmXibBA--.44158S8; Sun, 20 Aug 2023 17:13:47 +0800 (CST) From: Yu Kuai To: song@kernel.org, xni@redhat.com, mariusz.tkaczyk@linux.intel.com Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai3@huawei.com, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com Subject: [PATCH -next v3 4/7] md: factor out a helper rdev_removeable() from remove_and_add_spares() Date: Sun, 20 Aug 2023 17:09:46 +0800 Message-Id: <20230820090949.2874537-5-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230820090949.2874537-1-yukuai1@huaweicloud.com> References: <20230820090949.2874537-1-yukuai1@huaweicloud.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: gCh0CgAnBahH2eFkmXibBA--.44158S8 X-Coremail-Antispam: 1UD129KBjvJXoW7Kr47Kr4xtr13KF4fuw4Uurg_yoW8KFyfpa yfKFyYkr4UA3yaqw1kKrn5Ga45Xa18KayIkFy3Ga4FvasxAr98Xw1rKFy5Xr90yFZ3ZF4Y vF15Jw4rCr1xuF7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUU9C14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F 4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq 3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCF04k20xvY0x0EwIxGrw CFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE 14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2 IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxK x2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI 0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUQSdkUUUUU= X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Yu Kuai There are no functional changes, just to make the code simpler and prepare to delay remove_and_add_spares() to md_start_sync(). Signed-off-by: Yu Kuai --- drivers/md/md.c | 33 +++++++++++++++++++-------------- 1 file changed, 19 insertions(+), 14 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 561cac13ff96..ceace5ffadd6 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -9153,6 +9153,22 @@ void md_do_sync(struct md_thread *thread) } EXPORT_SYMBOL_GPL(md_do_sync); =20 +static bool rdev_removeable(struct md_rdev *rdev) +{ + if (rdev->raid_disk < 0 || test_bit(Blocked, &rdev->flags) || + atomic_read(&rdev->nr_pending)) + return false; + + if (test_bit(RemoveSynchronized, &rdev->flags)) + return true; + + if (test_bit(In_sync, &rdev->flags) || + test_bit(Journal, &rdev->flags)) + return false; + + return true; +} + static int remove_and_add_spares(struct mddev *mddev, struct md_rdev *this) { @@ -9166,11 +9182,7 @@ static int remove_and_add_spares(struct mddev *mddev, return 0; =20 rdev_for_each(rdev, mddev) { - if ((this =3D=3D NULL || rdev =3D=3D this) && - rdev->raid_disk >=3D 0 && - !test_bit(Blocked, &rdev->flags) && - test_bit(Faulty, &rdev->flags) && - atomic_read(&rdev->nr_pending)=3D=3D0) { + if ((this =3D=3D NULL || rdev =3D=3D this) && rdev_removeable(rdev)) { /* Faulty non-Blocked devices with nr_pending =3D=3D 0 * never get nr_pending incremented, * never get Faulty cleared, and never get Blocked set. @@ -9185,19 +9197,12 @@ static int remove_and_add_spares(struct mddev *mdde= v, synchronize_rcu(); rdev_for_each(rdev, mddev) { if ((this =3D=3D NULL || rdev =3D=3D this) && - rdev->raid_disk >=3D 0 && - !test_bit(Blocked, &rdev->flags) && - ((test_bit(RemoveSynchronized, &rdev->flags) || - (!test_bit(In_sync, &rdev->flags) && - !test_bit(Journal, &rdev->flags))) && - atomic_read(&rdev->nr_pending)=3D=3D0)) { - if (mddev->pers->hot_remove_disk( - mddev, rdev) =3D=3D 0) { + rdev_removeable(rdev) && + mddev->pers->hot_remove_disk(mddev, rdev) =3D=3D 0) { sysfs_unlink_rdev(mddev, rdev); rdev->saved_raid_disk =3D rdev->raid_disk; rdev->raid_disk =3D -1; removed++; - } } if (remove_some && test_bit(RemoveSynchronized, &rdev->flags)) clear_bit(RemoveSynchronized, &rdev->flags); --=20 2.39.2