From patchwork Tue Jun 11 05:19:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 804083 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 35C3716F8E4; Tue, 11 Jun 2024 05:19:55 +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=1718083200; cv=none; b=C6wkd4hxYsbFiqw4mAPbAom/kPZewKbfFohB8Kl2WwiyD51RIXUJbiZms2SYTYFBzqYuNonSKmaJ4jxR6aBd0qv34ThmHynq4DHLMNyPSPZcpKmRngcAlFxC8uhCPXLI9bez0iNk+eq9M0m4A/WHxKO5P+rIfU+JZXCraHHAWYY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718083200; c=relaxed/simple; bh=+uqeJOyEKJ17zzEBNxXMc/Z1FEeLXzuulibzJ9DfsVs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kIvh1WXWn6JS6XvW/lItRRVjJIXkBJzOP7EnIu5W1F3+vIOM3SLDubQFtTUHUbyBT/fKeaw4lKVwSPrhmeEGyS3UsEAJo0J6y6bjqv9oQxldqgKlqyOt4eZ1UUyoxqhxiA30vqU1NxDoyYPpf6umw3sOyxr/XxWGFwCNSJ2/zuU= 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=WiVjV03M; 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="WiVjV03M" 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=/rZOEnnB7Ck+WcvkswrD5CLavDNj5FzzjxdVzwDte5o=; b=WiVjV03MdppIPPUHNpSsnAOswF ZzMT4QsJKrqeWjtewh91sTq17Q4mo/C/OnhzWIHeo3L6EpP/u5Gsw2y5ZNZfc7s43LyqK4sDE1FpG n1CGW9hR1hsCjP39wbq7dK7SQZcyfIub4k/1gShQl6ug5pyEmBvaRSdlHDbKv6EQUFXWG9X2Kzvcy zRMbflEfBG9QqO9Hao0c27BB16ZyEsohd1SqZIqSoJ2Ac8A6Z5CwEpmzXHO5aP1ywzKVK6Fios+k2 5kTJ0aXnUDA7DWdvI+0EcSX4K7nERHV9k7gUQZmoCHBh5G3C3UOTx9SpD50hTrGhUjyYp0My1+kjg Nmuwb5EA==; 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 1sGtv4-00000007QqN-2LdZ; Tue, 11 Jun 2024 05:19:42 +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 04/26] loop: always update discard settings in loop_reconfigure_limits Date: Tue, 11 Jun 2024 07:19:04 +0200 Message-ID: <20240611051929.513387-5-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 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 --- 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 93a49c40a31a71..c658282454af1b 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);