From patchwork Mon Feb 10 07:33:20 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Kuai X-Patchwork-Id: 13967425 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 A39741B2180; Mon, 10 Feb 2025 07:40:27 +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=1739173229; cv=none; b=q6pvVhcoOnZiPucXvK8eAVasGsBkddrJqJCknEVxFiv+SIu4EzHaeXZHPjf4xzEvwMQINj+1IvlJINr6xfaFaysZQHgUROR3KnUwAFTak7JguQ1s0gaBW2TgpfiRUZ1vLi59Ozym7Xek2fQr1C9KBgmCk8NxlNqa4aNw54K/jfE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739173229; c=relaxed/simple; bh=7TTHBnMxsytWy4wdynapAnKCNypWup5ho6RxSq0nV9M=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=a7X0M1ydpImSswPol60UpgPVKvfnzJKmtCX/993nlbBCrGLKlAUoedgx8hfuvLkqvILO7uGUSIc9SQAD36YOuhdyQRSxUhwv65FKfA3iKubXgtH8vCo8OUdpTSO489QBoGPNIjurSG5XghLYYJavVhQ0suEMhDxv5XkUmgsnrLo= 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 [172.19.93.142]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4YrxLW0NJpz4f3jsv; Mon, 10 Feb 2025 15:40:03 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 0B49F1A0F11; Mon, 10 Feb 2025 15:40:19 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP4 (Coremail) with SMTP id gCh0CgAHa19cralnS0S5DQ--.28027S8; Mon, 10 Feb 2025 15:40:18 +0800 (CST) From: Yu Kuai To: stable@vger.kernel.org, gregkh@linuxfoundation.org, song@kernel.org, yukuai3@huawei.com Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com Subject: [PATCH 6.6 v2 4/6] md: add a new callback pers->bitmap_sector() Date: Mon, 10 Feb 2025 15:33:20 +0800 Message-Id: <20250210073322.3315094-5-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20250210073322.3315094-1-yukuai1@huaweicloud.com> References: <20250210073322.3315094-1-yukuai1@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: gCh0CgAHa19cralnS0S5DQ--.28027S8 X-Coremail-Antispam: 1UD129KBjvdXoW7GF47Cry8KF4UJFW5uw4Durg_yoWDArc_Cr nIqryfWFnxGrn3tr109r1SvrWqywn3uF4DWFy7KFyfZF95t34fZrWvkryrJw1xZF95ua43 JryUXrs8ZrnrJjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb6AFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAVCq3wA2048vs2 IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28E F7xvwVC0I7IYx2IY67AKxVW7JVWDJwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr 1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0D M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1l F7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkF7I0En4kS14v26r1q6r 43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_ Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x 0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8 JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIx AIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbPC7UUUUUU= = X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ From: Yu Kuai commit 0c984a283a3ea3f10bebecd6c57c1d41b2e4f518 upstream. This callback will be used in raid5 to convert io ranges from array to bitmap. Signed-off-by: Yu Kuai Reviewed-by: Xiao Ni Link: https://lore.kernel.org/r/20250109015145.158868-4-yukuai1@huaweicloud.com Signed-off-by: Song Liu --- drivers/md/md.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/md/md.h b/drivers/md/md.h index 7c9c13abd7ca..f395f4562bb9 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -661,6 +661,9 @@ struct md_personality void *(*takeover) (struct mddev *mddev); /* Changes the consistency policy of an active array. */ int (*change_consistency_policy)(struct mddev *mddev, const char *buf); + /* convert io ranges from array to bitmap */ + void (*bitmap_sector)(struct mddev *mddev, sector_t *offset, + unsigned long *sectors); }; struct md_sysfs_entry {