From patchwork Wed Feb 28 22:56:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13576101 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 8D98D76F19; Wed, 28 Feb 2024 22:56:58 +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=1709161020; cv=none; b=Ejvsp+IIA1GQnTwEQoZ25S+Ewij/9XnESGkHny2VqgKIKphjeSeeyvbsQf7GO2/r82TVs4USmWMy2KBSx0zorBxhwERmx+LEzVM9COsMN8mYFZcPLYOoiecrnTmfNr6KestHMrbG+UVAl3jU+cF2x+ePyC6Zji9jFObHJ7Q1t4Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709161020; c=relaxed/simple; bh=T16dA4uPo0S1sJZzggzJbFctchiWrhrEDks57vuCR7Q=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=SfE88XsT9aZVhDLuTpC+5mDiZqOjTL0n56Fw7I1sxQFQwwnVXYgAxa+UUjwZ346Gn0XBkRtfifSYoNU5cn6MfNCSSD5rJH2zs+LWVPyjSFThKY5fk6bP7ufquoORPNcifKaSdq3k3t/k3L3IldWmGYDOGGsuy9F4QHoJoUCKbNY= 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=Gk1sdSag; 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="Gk1sdSag" 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=uwaMl+cldStB6V1bOYa8zhyrgxqTQSHxDG1wSziHQE4=; b=Gk1sdSagLF2A5YiHC38A++Xb7K 822/DiTE5u0GQyT6EcdoOz6Rb3sn94HTsh2UJfMF1BNBsXHtQ5a6Vxgj73CFESHx/406tQbXox93B akz5bub7Me0a+uERR72BU8pxBU5TlhXj19JKFWIoyRjo46OWn1p9MUUbORQOdUyIXax/DFukaPBTt wUTs3HlWeMBkzOYrFbnJes0UiVEuD+738nZlzDPlH775gZmU3q05Hfz4h5xhHOQVSRfTrVCkLvMwz 8OYtM4Qe0UnPM8KpRa77Gfn6Wal1rptJPg57IYhs9eCEoAWFTzStrvb9ExF6H8OKwmrZvu22jzpRt nwSg3coA==; Received: from [4.28.11.157] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1rfSrB-0000000BCP2-2oge; Wed, 28 Feb 2024 22:56:57 +0000 From: Christoph Hellwig To: Jens Axboe , Mike Snitzer , Mikulas Patocka , Song Liu , Yu Kuai Cc: dm-devel@lists.linux.dev, linux-block@vger.kernel.org, linux-raid@vger.kernel.org Subject: [PATCH 09/14] md/raid1: use the atomic queue limit update APIs Date: Wed, 28 Feb 2024 14:56:48 -0800 Message-Id: <20240228225653.947152-10-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240228225653.947152-1-hch@lst.de> References: <20240228225653.947152-1-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 Build the queue limits outside the queue and apply them using queue_limits_set. To make the code more obvious also split the queue limits handling into a separate helper function. Signed-off-by: Christoph Hellwig --- drivers/md/raid1.c | 25 ++++++++++++++++--------- 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 3b1227f67a6d61..75329ab2dbd8de 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1782,10 +1782,9 @@ static int raid1_add_disk(struct mddev *mddev, struct md_rdev *rdev) for (mirror = first; mirror <= last; mirror++) { p = conf->mirrors + mirror; if (!p->rdev) { - if (!mddev_is_dm(mddev)) - disk_stack_limits(mddev->gendisk, rdev->bdev, - rdev->data_offset << 9); - + err = mddev_stack_new_rdev(mddev, rdev); + if (err) + return err; p->head_position = 0; rdev->raid_disk = mirror; err = 0; @@ -3077,12 +3076,21 @@ static struct r1conf *setup_conf(struct mddev *mddev) return ERR_PTR(err); } +static int raid1_set_limits(struct mddev *mddev) +{ + struct queue_limits lim; + + blk_set_stacking_limits(&lim); + lim.max_write_zeroes_sectors = 0; + mddev_stack_rdev_limits(mddev, &lim); + return queue_limits_set(mddev->queue, &lim); +} + static void raid1_free(struct mddev *mddev, void *priv); static int raid1_run(struct mddev *mddev) { struct r1conf *conf; int i; - struct md_rdev *rdev; int ret; if (mddev->level != 1) { @@ -3110,10 +3118,9 @@ static int raid1_run(struct mddev *mddev) return PTR_ERR(conf); if (!mddev_is_dm(mddev)) { - blk_queue_max_write_zeroes_sectors(mddev->queue, 0); - rdev_for_each(rdev, mddev) - disk_stack_limits(mddev->gendisk, rdev->bdev, - rdev->data_offset << 9); + ret = raid1_set_limits(mddev); + if (ret) + goto abort; } mddev->degraded = 0;