From nobody Fri Jan 31 00:17:07 2025 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 4EB7D1BF37; Thu, 9 Jan 2025 01:56:46 +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=1736387808; cv=none; b=CzLVk5KNcBP1nmu43Q3olMAUsvHu/cNKMQrET2dNHWYblcs6/1S9P7Ci09dFE8FQRtwyv9O74TB+qOhMM1kL6tYC9MnOR24hdQfBMLU/DoPFvLkD819y2OWdeHRJ/g9OaUbvGsayoR46w3Hi184GshWEJ7WR+ZCrjKAu4xs7biU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736387808; c=relaxed/simple; bh=qCBiIYWOdYrECwI01ejDTEQKuhKzGqr7m4XdSxpZWr0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=LdfNtpClra5g8C4T3SFBW6IAhfDP8M07/l0xjXvSehlCZo+19CjjBcrDmuj2/8HE60Kx9wzGR3bUiBU0E0/F2Uru0toZzmO5QaXVgF43sybrmWsnBT2taWKwNiJuZpyz8higXYf2FYECsGhflzcYHF7NwEdlXt3BCtYc6ZRqDgg= 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 [172.19.163.216]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4YT7Dk0bktz4f3kvl; Thu, 9 Jan 2025 09:56:22 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 7854E1A14BB; Thu, 9 Jan 2025 09:56:43 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP4 (Coremail) with SMTP id gCh0CgCH61_YLH9nk+G_AQ--.844S7; Thu, 09 Jan 2025 09:56:43 +0800 (CST) From: Yu Kuai To: song@kernel.org, xni@redhat.com, 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 v2 md-6.14 3/5] md: add a new callback pers->bitmap_sector() Date: Thu, 9 Jan 2025 09:51:43 +0800 Message-Id: <20250109015145.158868-4-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20250109015145.158868-1-yukuai1@huaweicloud.com> References: <20250109015145.158868-1-yukuai1@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: gCh0CgCH61_YLH9nk+G_AQ--.844S7 X-Coremail-Antispam: 1UD129KBjvdXoWrZry3Kw1Dury7Gr4rAw15XFb_yoW3urb_Cr 9Iv3s3WFnxKr95tF1Ivr4SvrWqvwn3Wr4DuFy7KFyfZF9YqrySvrWv9r1xJw1xZF95CasI yryDXryrArnxtjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb68FF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUWwA2048vs2IY02 0Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVW7JVWDJwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr1UM2 8EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0DM2AI xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xv r2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkF7I0En4kS14v26r126r1DMx AIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_ Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwI xGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWx JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcV C2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbTUDJUUUUU== X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ Content-Type: text/plain; charset="utf-8" From: Yu Kuai This callback will be used in raid5 to convert io ranges from array to bitmap. Signed-off-by: Yu Kuai Reviewed-by: Xiao Ni --- drivers/md/md.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/md/md.h b/drivers/md/md.h index 4ba93af36126..de6dadb9a40b 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -746,6 +746,9 @@ 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); }; =20 struct md_sysfs_entry { --=20 2.39.2