From patchwork Mon Jun 17 06:04:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13700041 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 1C4AB1836C7; Mon, 17 Jun 2024 06:06:01 +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=1718604364; cv=none; b=FURk4sDpDjzJUVfSAVPgZH496UlwLldPqsg0dRCwVvK6wwMD8OV1BoWGJCxEVi5yW+i0baK0TcfWpC6UziJupNWvN1ncin6eNpkrvvlmfaHzBL0xIiC+hEV2+TLl7mfnr9jkTt4kXTAakRc/N9mdJDg7WqchinEJ7dEqVrIL9Vw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718604364; c=relaxed/simple; bh=yxPlERr7INTVihhxrFmzgmeCrzlBY2LFuOFbPxGRaQ8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FuHoZD+jbpcREyt7sWqgbs8MQNR0Dis0iIgEv4Gnwn6gJchTEOIrVbBkeCPTJ/CQcuoI7qgY1yIf3M23+s1KixR0QG6hlJUMVxFs94ot3VIS6H+Iu4ajN1hQEJqLwT99LzRuc3oBJfpa8vOL6nv046rCvYDZpWp/QmsgJaczu58= 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=kXJ7ztHF; 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="kXJ7ztHF" 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=meZuXUdMqnfJKNa8LwE+49M6ExyQLw1VDUKKaUAtY/k=; b=kXJ7ztHFcc1IoznmhgthEbCn2W e1Zl0vH8pJJ+B1epWy41WO2zQGJBi7XGUy+4DCl9YDXMqTyH3anZVULv8jW+BHuwQ85BKjVgecb4w hAGHoW9h4WP4v1QYat3Jf10IP4aUS7o6JZkLXgjO/8HcnWdwF4gdFcc7AKgkddhvpiw4wY1zPxXr8 3mk8eCEPPsZL/pesCm8st49vLZsZi08TeEmgYQj7DQG8b6JLAICjztbtSkI7ROD2ePH/Irbhf7bQ+ 3BFsrlrwOKGuxd2zhlnwTsZISXTPAagKKPg7HdaG9zcqs83W9ES5qTSx7HYqlSblbPpRJLwJC6SUc Bt14RRKQ==; Received: from [91.187.204.140] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sJ5Uz-00000009IIF-1FWI; Mon, 17 Jun 2024 06:05:49 +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 05/26] loop: always update discard settings in loop_reconfigure_limits Date: Mon, 17 Jun 2024 08:04:32 +0200 Message-ID: <20240617060532.127975-6-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> Precedence: bulk X-Mailing-List: nvdimm@lists.linux.dev 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 Simplify loop_reconfigure_limits by always updating the discard limits. This adds a little more work to loop_set_block_size, but doesn't change the outcome as the discard flag won't change. Signed-off-by: Christoph Hellwig Reviewed-by: Damien Le Moal Reviewed-by: Hannes Reinecke Reviewed-by: Bart Van Assche --- drivers/block/loop.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/block/loop.c b/drivers/block/loop.c index fd671028fa8554..ce197cbea5f434 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -975,8 +975,7 @@ loop_set_status_from_info(struct loop_device *lo, return 0; } -static int loop_reconfigure_limits(struct loop_device *lo, unsigned short bsize, - bool update_discard_settings) +static int loop_reconfigure_limits(struct loop_device *lo, unsigned short bsize) { struct queue_limits lim; @@ -984,8 +983,7 @@ 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 (update_discard_settings) - loop_config_discard(lo, &lim); + loop_config_discard(lo, &lim); return queue_limits_commit_update(lo->lo_queue, &lim); } @@ -1086,7 +1084,7 @@ static int loop_configure(struct loop_device *lo, blk_mode_t mode, else bsize = 512; - error = loop_reconfigure_limits(lo, bsize, true); + error = loop_reconfigure_limits(lo, bsize); if (WARN_ON_ONCE(error)) goto out_unlock; @@ -1496,7 +1494,7 @@ static int loop_set_block_size(struct loop_device *lo, unsigned long arg) invalidate_bdev(lo->lo_device); blk_mq_freeze_queue(lo->lo_queue); - err = loop_reconfigure_limits(lo, arg, false); + err = loop_reconfigure_limits(lo, arg); loop_update_dio(lo); blk_mq_unfreeze_queue(lo->lo_queue);