From patchwork Mon Feb 26 10:30:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13571913 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 8F54C58132; Mon, 26 Feb 2024 10:31:27 +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=1708943488; cv=none; b=E1qLCHDVOTqVeMkuExZdoujfuye6YNYATGW2ig+pkYJZRZQR7+tsmmvaKZLMsmILTjOAd4p67q5BJsdcYGx/xOC8qS7/UV3DaJRLWMOeGu4CR5C0rwYcIi2tLzoeFXXuCBMaD7HbeePQJcIGIIMteKIQR7+kht+h1btbsCrlqyI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708943488; c=relaxed/simple; bh=YEE0K3C4YljkDRp3e1N4QWFxGsJWb+5rxLnM57XLEB0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=UgfVwCKV32tzbRyImw2nLgjwftS/BdF/Fb4U1DH6nXFC7zsSYh0+DTQPvP0e6PPq2IKVd2LJHr25gjPauRiX8IsnUVib8dNtV7UyX0JHuLbis418EKnkV2wamxeZu8OGmoYaBeNXVcNq+RCsE3SDAX2wc8Ri15wyOhaN0N4fuk8= 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=FqI2JI6M; 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="FqI2JI6M" 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=oCgQZaiF/v38Xtofqeuu4eAUS7fzPBaKg2U7fjijjbw=; b=FqI2JI6M3qofTF9w+6ijD2ioqg pSUUTadeeHiaRaG3ggKME5+KmS0Q2tK9zyDCayjhmRbHNmHSFEo88sYEd9pS0V4iwOrGbXQ/Cc611 SVyJd3nZdf9fmcX+6C/ziUEHreOkvk0yH4z6QWZvvwkgcCY0ZwfdbekjVh3L45Fd1lvt9qXJ5ZUKb IKo/jvl2ywF75BuQPhyJ+80bXwkAlmtgnPw8RZCpegYhQv8UADO1GG8PUwXlGYJtbL6GXaqpBIiZ5 KDgaUueWcoKcBsceAP+G3UKkZdaGUBZyOtWpSjyuJp5v4guyc+wKG7fN1D2BQOJJKU/0qzErWqeEU i2LujmoQ==; 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 1reYGa-0000000052z-2Ade; Mon, 26 Feb 2024 10:31:25 +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 13/16] drbd: merge drbd_setup_queue_param into drbd_reconsider_queue_parameters Date: Mon, 26 Feb 2024 11:30:01 +0100 Message-Id: <20240226103004.281412-14-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-raid@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 drbd_setup_queue_param is only called by drbd_reconsider_queue_parameters and there is no really clear boundary of responsibilities between the two. Signed-off-by: Christoph Hellwig --- drivers/block/drbd/drbd_nl.c | 56 ++++++++++++++---------------------- 1 file changed, 22 insertions(+), 34 deletions(-) diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 0326b7322ceb48..0f40fdee089971 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1309,45 +1309,16 @@ static unsigned int drbd_backing_dev_max_segments(struct drbd_device *device) return max_segments; } -static void drbd_setup_queue_param(struct drbd_device *device, struct drbd_backing_dev *bdev, - unsigned int max_bio_size, struct o_qlim *o) -{ - struct request_queue * const q = device->rq_queue; - unsigned int max_hw_sectors = max_bio_size >> 9; - unsigned int max_segments = BLK_MAX_SEGMENTS; - struct request_queue *b = NULL; - - if (bdev) { - b = bdev->backing_bdev->bd_disk->queue; - - max_hw_sectors = min(queue_max_hw_sectors(b), max_bio_size >> 9); - max_segments = drbd_backing_dev_max_segments(device); - - blk_set_stacking_limits(&q->limits); - } - - blk_queue_max_hw_sectors(q, max_hw_sectors); - blk_queue_max_segments(q, max_segments); - blk_queue_segment_boundary(q, PAGE_SIZE-1); - decide_on_discard_support(device, bdev); - - if (b) { - blk_stack_limits(&q->limits, &b->limits, 0); - disk_update_readahead(device->vdisk); - } - fixup_write_zeroes(device, q); - fixup_discard_support(device, q); -} - void drbd_reconsider_queue_parameters(struct drbd_device *device, struct drbd_backing_dev *bdev, struct o_qlim *o) { - unsigned int now = queue_max_hw_sectors(device->rq_queue) << - SECTOR_SHIFT; + struct request_queue * const q = device->rq_queue; + unsigned int now = queue_max_hw_sectors(q) << 9; + struct request_queue *b = NULL; unsigned int new; if (bdev) { - struct request_queue *b = bdev->backing_bdev->bd_disk->queue; + b = bdev->backing_bdev->bd_disk->queue; device->local_max_bio_size = queue_max_hw_sectors(b) << SECTOR_SHIFT; @@ -1369,7 +1340,24 @@ void drbd_reconsider_queue_parameters(struct drbd_device *device, drbd_info(device, "max BIO size = %u\n", new); } - drbd_setup_queue_param(device, bdev, new, o); + if (bdev) { + blk_set_stacking_limits(&q->limits); + blk_queue_max_segments(q, + drbd_backing_dev_max_segments(device)); + } else { + blk_queue_max_segments(q, BLK_MAX_SEGMENTS); + } + + blk_queue_max_hw_sectors(q, new >> SECTOR_SHIFT); + blk_queue_segment_boundary(q, PAGE_SIZE - 1); + decide_on_discard_support(device, bdev); + + if (bdev) { + blk_stack_limits(&q->limits, &b->limits, 0); + disk_update_readahead(device->vdisk); + } + fixup_write_zeroes(device, q); + fixup_discard_support(device, q); } /* Starts the worker thread */