From patchwork Mon Jun 17 06:04:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 1948384 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=aJxYdh7m; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=patchwork.ozlabs.org) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W2fXC6Vllz20KL for ; Mon, 17 Jun 2024 16:06:19 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=jO/BbvgdYshCVZegwApTYZew4tnox1zjQOC4cbYeSu8=; b=aJxYdh7mRWeh0r5O8Zt1D+5wlv udYhCWO/PqeP5S+Oj5tsxvw3cUq7lx1XTmoAbKtQCcJJUkci+daq7Qz8ttxDKBKRIgtBimB6r1PNV 75CrYFk6+ZTgCA2T1N4tnktVSJkOCkf2m1Bpb+c/7N716NiF172icib3GtPuxEDtQjgX2f8L5TM6U Hkut9wDEOROjC3TA/Oa+bnPn1hpI2JtUWiO70aP3fLpwpVCJySEizk7QtciZrRQ5cKkxhmlIivVGg zPdgOmlZkRoa2PNIJWZYKCz+Oz/z50SaZ1cOLmcvpxzh2iCbgi70BBoncE79jUizreBGADEyLK+qm Z/i8vaQw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sJ5VR-00000009IiX-0Bxj; Mon, 17 Jun 2024 06:06:17 +0000 Received: from [91.187.204.140] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sJ5V8-00000009IPz-27ba; Mon, 17 Jun 2024 06:05:59 +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, Damien Le Moal , Hannes Reinecke , Bart Van Assche Subject: [PATCH 08/26] loop: fold loop_update_rotational into loop_reconfigure_limits Date: Mon, 17 Jun 2024 08:04:35 +0200 Message-ID: <20240617060532.127975-9-hch@lst.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240617060532.127975-1-hch@lst.de> References: <20240617060532.127975-1-hch@lst.de> MIME-Version: 1.0 X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org 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 Reviewed-by: Bart Van Assche --- 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 6a4826708a3acf..8991de8fb1bb0b 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);