From patchwork Tue Jun 11 05:19:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 803428 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 29FB5170821; Tue, 11 Jun 2024 05:20:05 +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=1718083206; cv=none; b=iJKLcw3DLyPLKmuzSg1VOSjd8H8oRsTYMU6GNzNQTdemRkfHH046IeqJ46efZB4QUhZTT96dgtmRzwlILDa3ZCtrszT9yE8YYFroVGdEhrmxhOi3KB9ommqupxnAcTvryE1KInx9I0mQDN/2oIrhDWhGB1zXWdVb1PbCTU4N+9U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718083206; c=relaxed/simple; bh=62XmbJ+rHztkXpOoQmRLeQt1DbhORCBqxmfIyiYF0cg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qYUlPgt6yxDm6BKeK28QrqC79uKAOtwStBKuJKLCQke11AFhvuW3TKFYiIPDXx4XMjnFs3dIplE07l1e3HEkCMl/FMEYBHGVKLfeELlRO8sSITGGbe4wlMg1ivLpuRNPoOvnTLiZxKYoM0/Vtd8QAJeRvVLZAxj7wcapS/OrEzo= 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=Ki2bJ+c1; 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="Ki2bJ+c1" 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=rkSQ+6nZApqoAfrjo6q+Wq9Ws51k8by9JfSQNhUShHI=; b=Ki2bJ+c1QdcY5HPLBtBOGK1wy/ Q9aJI78KWVLLTM5bn/EHpuvmHBU1C6sHSCaz91uiphE8Z9XZb4wA6Z9/B4venlxYIjbipq5bq5ghm BkzL4kj4cd9KDP78OrmjzOjuqsJKThI/tpWzKzlobFrOA7RjkUXMQ7VDaowU7CCJwPP44T5LppJkk lpvt9qNjIE/gUVreXqbK4kl5Ybt76uIrx0PbUPDOSxfiuZoXgDuak4EadqaXl00yP4T0+Rszn/XLp 1aJwQOVF0wGakOipCvBGudj4WytD8/RAkq+/mJDhpHGOfXqKz8BCgAd9vJ4nk27dOpXX9s68LMdDs jBqpOuCg==; Received: from 2a02-8389-2341-5b80-cdb4-8e7d-405d-6b77.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:cdb4:8e7d:405d:6b77] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGtvF-00000007Qwk-2PPi; Tue, 11 Jun 2024 05:19:54 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Geert Uytterhoeven , Richard Weinberger , Philipp Reisner , Lars Ellenberg , =?utf-8?q?Christoph_B=C3=B6hmwa?= =?utf-8?q?lder?= , Josef Bacik , Ming Lei , "Michael S. Tsirkin" , Jason Wang , =?utf-8?q?Roger_Pau_Monn=C3=A9?= , Alasdair Kergon , Mike Snitzer , Mikulas Patocka , Song Liu , Yu Kuai , Vineeth Vijayan , "Martin K. Petersen" , linux-m68k@lists.linux-m68k.org, linux-um@lists.infradead.org, drbd-dev@lists.linbit.com, nbd@other.debian.org, linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org, virtualization@lists.linux.dev, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, dm-devel@lists.linux.dev, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, nvdimm@lists.linux.dev, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-block@vger.kernel.org Subject: [PATCH 07/26] loop: fold loop_update_rotational into loop_reconfigure_limits Date: Tue, 11 Jun 2024 07:19:07 +0200 Message-ID: <20240611051929.513387-8-hch@lst.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240611051929.513387-1-hch@lst.de> References: <20240611051929.513387-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-scsi@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 This prepares for moving the rotational flag into the queue_limits and also fixes it for the case where the loop device is backed by a block device. Signed-off-by: Christoph Hellwig Reviewed-by: Damien Le Moal Reviewed-by: Hannes Reinecke --- drivers/block/loop.c | 23 ++++------------------- 1 file changed, 4 insertions(+), 19 deletions(-) diff --git a/drivers/block/loop.c b/drivers/block/loop.c index d7cf6bbbfb1b86..2c4a5eb3a6a7f9 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -916,24 +916,6 @@ static void loop_free_idle_workers_timer(struct timer_list *timer) return loop_free_idle_workers(lo, false); } -static void loop_update_rotational(struct loop_device *lo) -{ - struct file *file = lo->lo_backing_file; - struct inode *file_inode = file->f_mapping->host; - struct block_device *file_bdev = file_inode->i_sb->s_bdev; - struct request_queue *q = lo->lo_queue; - bool nonrot = true; - - /* not all filesystems (e.g. tmpfs) have a sb->s_bdev */ - if (file_bdev) - nonrot = bdev_nonrot(file_bdev); - - if (nonrot) - blk_queue_flag_set(QUEUE_FLAG_NONROT, q); - else - blk_queue_flag_clear(QUEUE_FLAG_NONROT, q); -} - /** * loop_set_status_from_info - configure device from loop_info * @lo: struct loop_device to configure @@ -1003,6 +985,10 @@ static int loop_reconfigure_limits(struct loop_device *lo, unsigned short bsize) lim.logical_block_size = bsize; lim.physical_block_size = bsize; lim.io_min = bsize; + if (!backing_bdev || bdev_nonrot(backing_bdev)) + blk_queue_flag_set(QUEUE_FLAG_NONROT, lo->lo_queue); + else + blk_queue_flag_clear(QUEUE_FLAG_NONROT, lo->lo_queue); loop_config_discard(lo, &lim); return queue_limits_commit_update(lo->lo_queue, &lim); } @@ -1099,7 +1085,6 @@ static int loop_configure(struct loop_device *lo, blk_mode_t mode, if (WARN_ON_ONCE(error)) goto out_unlock; - loop_update_rotational(lo); loop_update_dio(lo); loop_sysfs_init(lo);