From patchwork Mon Feb 26 10:29:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13571889 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 91FE35730B; Mon, 26 Feb 2024 10:30:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708943445; cv=none; b=pwld/p2jVr5jt8gt97vJ8JcScSRvu7czE/bzQW/W1wDSpnVb0U03m26AdVs4U0oSTYJHPV1FMQZxa+73oaHqP1J0XcrfYHzqvl+uRkdZ+EIdw7twQmbo46N/Eyl5cC3HezsUdVPosdeJKhtyiGUfBqHYw4Lqxx3Jq4Ph9LWa5Wg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708943445; c=relaxed/simple; bh=qkrvkJlyDXhDeLlNMru1+MYxZ4VRAl/ThVRgaiQjMh0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=rHoHib+h1x9HFAy9kPsrSb1nbsaMI9xGWmlMz0BklTBZjB16YEnLbb7SZfnX53D2SCG2kRMISDsgFXZU6IRy4RQwI1zObYKjT7bfQcPLBnuzLV83voj1lAQTaF2GFIYkaSgvvZ6d4iR7QRGvHplR9UILsRqwdFJUa1pIY8Gvu9U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=ViVd9ngd; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="ViVd9ngd" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=/W7QiFrwP9NDOeY0MMQGkpN8cv8t6hi9lmA8LIVLFK4=; b=ViVd9ngdKC+pbVTXEzzZVIeiIo uvWg2BFfZZmC4/wIR84Yn1UMLKp/TLOAa9H1J8WJakxb7d/stmiK37EL+g2XdyxQMaElOh0CASdaZ tjJpJHYYk+AsQxwCmY3Id8M5tSQq+CyxtJxZ9g7Fk30croBHKS6PGoGSjHg+XbfCrrIopnVNxnBHW 67Hs075ipfe8eUW1lpfmmnaV/MiYv9EoVMUIeMa8LlWsWr19smweCYciwC+89kX+QzW1PPCdikaO+ +LzEG3Xtbjf4R1Zl+jhpxLLatyNOaa5VnejTj0/Ijn2gbYMfWw4+VF+19RR6+QnyYIiG6WUpYLu3N TbDdcgpQ==; Received: from 213-147-167-65.nat.highway.webapn.at ([213.147.167.65] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1reYFn-000000004ga-46GF; Mon, 26 Feb 2024 10:30:41 +0000 From: Christoph Hellwig To: Jens Axboe , Mike Snitzer , Mikulas Patocka , Song Liu , Yu Kuai , Philipp Reisner , Lars Ellenberg , =?utf-8?q?Christoph_B=C3=B6hmwa?= =?utf-8?q?lder?= Cc: drbd-dev@lists.linbit.com, dm-devel@lists.linux.dev, linux-block@vger.kernel.org, linux-raid@vger.kernel.org Subject: [PATCH 05/16] md/raid0: use the atomic queue limit update APIs Date: Mon, 26 Feb 2024 11:29:53 +0100 Message-Id: <20240226103004.281412-6-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240226103004.281412-1-hch@lst.de> References: <20240226103004.281412-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Build the queue limits outside the queue and apply them using queue_limits_set. Also remove the bogus ->gendisk and ->queue NULL checks in the are while touching it. Signed-off-by: Christoph Hellwig --- drivers/md/raid0.c | 37 +++++++++++++++++-------------------- 1 file changed, 17 insertions(+), 20 deletions(-) diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index c50a7abda744ad..dd070e9b2d5643 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -381,7 +381,8 @@ static void raid0_free(struct mddev *mddev, void *priv) static int raid0_run(struct mddev *mddev) { - struct r0conf *conf; + struct r0conf *conf = mddev->private; + struct queue_limits lim; int ret; if (mddev->chunk_sectors == 0) { @@ -391,29 +392,23 @@ static int raid0_run(struct mddev *mddev) if (md_check_no_bitmap(mddev)) return -EINVAL; - /* if private is not null, we are here after takeover */ - if (mddev->private == NULL) { + /* if conf is not null, we are here after takeover */ + if (!conf) { ret = create_strip_zones(mddev, &conf); if (ret < 0) return ret; mddev->private = conf; } - conf = mddev->private; - if (mddev->queue) { - struct md_rdev *rdev; - - blk_queue_max_hw_sectors(mddev->queue, mddev->chunk_sectors); - blk_queue_max_write_zeroes_sectors(mddev->queue, mddev->chunk_sectors); - blk_queue_io_min(mddev->queue, mddev->chunk_sectors << 9); - blk_queue_io_opt(mddev->queue, - (mddev->chunk_sectors << 9) * mddev->raid_disks); - - rdev_for_each(rdev, mddev) { - disk_stack_limits(mddev->gendisk, rdev->bdev, - rdev->data_offset << 9); - } - } + blk_set_stacking_limits(&lim); + lim.max_hw_sectors = mddev->chunk_sectors; + lim.max_write_zeroes_sectors = mddev->chunk_sectors; + lim.io_min = mddev->chunk_sectors << 9; + lim.io_opt = lim.io_min * mddev->raid_disks; + mddev_stack_rdev_limits(mddev, &lim); + ret = queue_limits_set(mddev->queue, &lim); + if (ret) + goto out_free_conf; /* calculate array device size */ md_set_array_sectors(mddev, raid0_size(mddev, 0, 0)); @@ -426,8 +421,10 @@ static int raid0_run(struct mddev *mddev) ret = md_integrity_register(mddev); if (ret) - free_conf(mddev, conf); - + goto out_free_conf; + return 0; +out_free_conf: + free_conf(mddev, conf); return ret; }