From patchwork Thu Aug 22 02:46:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Kuai X-Patchwork-Id: 13772530 Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) (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 8277C23774; Thu, 22 Aug 2024 02:52:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724295130; cv=none; b=Eendg5py1PMKIbHlbtAYsbHRDTrMfi02AKCQc0ZpSyNpzIaERLQ0ossHYqDRDxMMRImkmgdRpJ0XJrv8t/auJLXJt/xzPDDJP04RE7q7wPg/+L9UezvS5URwOfJtJkXt7HaWoknIH59SbEMpORULCs2Bm86P2QHm9VjqgEgJ2pY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724295130; c=relaxed/simple; bh=35C9Vsk7ciuZEUGmYCoVDbZJRq9mzGiFThjgf16Mrl8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=NuXUpp5bkpepCGnDGOVc7wFtEmFLI/8q2jV0j7VJvE5EGOIlR9G2PifJiRV2HgdU9+VFdWwGXRJYmTjQ45mXhr4vgfpC3SZHXdCCiJ6wi2/qkroGtuY062bvezO7eIUN6TXsn4ELEgUh13IXFbg2Tcsm+hVLZUklCT2lML9qX4Q= 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=45.249.212.56 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 dggsgout12.his.huawei.com (SkyGuard) with ESMTP id 4Wq75M1tBVz4f3jdl; Thu, 22 Aug 2024 10:51:51 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 784A01A1873; Thu, 22 Aug 2024 10:52:05 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP4 (Coremail) with SMTP id gCh0CgAXPoTNp8ZmyXl2CQ--.42363S16; Thu, 22 Aug 2024 10:52:05 +0800 (CST) From: Yu Kuai To: song@kernel.org, mariusz.tkaczyk@linux.intel.com, l@damenly.org, xni@redhat.com Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, yukuai3@huawei.com, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com Subject: [PATCH md-6.12 12/41] md/md-bitmap: merge md_bitmap_create() into bitmap_operations Date: Thu, 22 Aug 2024 10:46:49 +0800 Message-Id: <20240822024718.2158259-13-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240822024718.2158259-1-yukuai1@huaweicloud.com> References: <20240822024718.2158259-1-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: gCh0CgAXPoTNp8ZmyXl2CQ--.42363S16 X-Coremail-Antispam: 1UD129KBjvJXoWxCr1xAFyUCryrtrWrZF13Jwb_yoW5AF15pr s2qa45GrW3JFW5Ww1UZFyq9a4Fqw1vgrZrtryxCw1ruF9rJFnxCF4FgF1jywn8Ga4fAFsx Xw15Gr18uF1xXF7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUma14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr1j6r xdM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0D M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r106r15McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1l F7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2 IY04v7MxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY 6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17 CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r4j6ryUMIIF 0xvE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCw CI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26r4UJVWxJrUvcSsG vfC2KfnxnUUI43ZEXa7VU1zpBDUUUUU== X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ From: Yu Kuai So that the implementation won't be exposed, and it'll be possible to invent a new bitmap by replacing bitmap_operations. Signed-off-by: Yu Kuai --- drivers/md/md-bitmap.c | 5 +++-- drivers/md/md-bitmap.h | 2 +- drivers/md/md.c | 6 +++--- 3 files changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index 1241a10b7308..c0089e787215 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -1966,7 +1966,7 @@ static struct bitmap *__bitmap_create(struct mddev *mddev, int slot) return ERR_PTR(err); } -int md_bitmap_create(struct mddev *mddev, int slot) +static int bitmap_create(struct mddev *mddev, int slot) { struct bitmap *bitmap = __bitmap_create(mddev, slot); @@ -2421,7 +2421,7 @@ location_store(struct mddev *mddev, const char *buf, size_t len) } mddev->bitmap_info.offset = offset; - rv = md_bitmap_create(mddev, -1); + rv = bitmap_create(mddev, -1); if (rv) goto out; @@ -2723,6 +2723,7 @@ const struct attribute_group md_bitmap_group = { }; static struct bitmap_operations bitmap_ops = { + .create = bitmap_create, }; void mddev_set_bitmap_ops(struct mddev *mddev) diff --git a/drivers/md/md-bitmap.h b/drivers/md/md-bitmap.h index d66f447f4be6..f4c4925102b6 100644 --- a/drivers/md/md-bitmap.h +++ b/drivers/md/md-bitmap.h @@ -247,13 +247,13 @@ struct md_bitmap_stats { }; struct bitmap_operations { + int (*create)(struct mddev *mddev, int slot); }; /* the bitmap API */ void mddev_set_bitmap_ops(struct mddev *mddev); /* these are used only by md/bitmap */ -int md_bitmap_create(struct mddev *mddev, int slot); int md_bitmap_load(struct mddev *mddev); void md_bitmap_flush(struct mddev *mddev); void md_bitmap_destroy(struct mddev *mddev); diff --git a/drivers/md/md.c b/drivers/md/md.c index 105faffaac54..f766f5b8d2d3 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6224,7 +6224,7 @@ int md_run(struct mddev *mddev) } if (err == 0 && pers->sync_request && (mddev->bitmap_info.file || mddev->bitmap_info.offset)) { - err = md_bitmap_create(mddev, -1); + err = mddev->bitmap_ops->create(mddev, -1); if (err) pr_warn("%s: failed to create bitmap (%d)\n", mdname(mddev), err); @@ -7282,7 +7282,7 @@ static int set_bitmap_file(struct mddev *mddev, int fd) err = 0; if (mddev->pers) { if (fd >= 0) { - err = md_bitmap_create(mddev, -1); + err = mddev->bitmap_ops->create(mddev, -1); if (!err) err = md_bitmap_load(mddev); @@ -7576,7 +7576,7 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info) mddev->bitmap_info.default_offset; mddev->bitmap_info.space = mddev->bitmap_info.default_space; - rv = md_bitmap_create(mddev, -1); + rv = mddev->bitmap_ops->create(mddev, -1); if (!rv) rv = md_bitmap_load(mddev);