From patchwork Mon Jun 17 06:04:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 805671 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 DF1A91850B1; Mon, 17 Jun 2024 06:06:17 +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=1718604379; cv=none; b=lrSSov8nxHHIa45jkOxBSUOSy6Tytl3J6i2WE7+Mnu8Tu7wDHmuRntiIAUe1sd7szMPndsbTl3plcuWSxaDg0oojyH8O23vKW4VmYCPyUSs+ptVwNOxJrjK6jglbq5mkRBH9wQ2tBDGzBCf7HqVBgHbrGw3lC7B/Vp6FRVlqe/E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718604379; c=relaxed/simple; bh=UUhDOVNGwIII900wkQCLGZKbOwKcpbX/NZyabxCXiXk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=odfh6/bR9dakwl+NI5VOdLixlYN0dhzCLSEwOC7nqqBv1rNAhplgvolQFUE/PbPmIkOmX5oqgSh6dwu+fWCEBeGos4PS+821E0YTw+NAOk18N4v9SkIzd/z9irEPuwpoSJQZNjwiWkfQgSgUkSIE6owg0sAUFFZ07v/uRvI7mw0= 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=guhcPlS/; 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="guhcPlS/" 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=yUS2iT/5Ns+DBWa4sOqPiiTpW5do+ruhfRfUiDEShWo=; b=guhcPlS/XgOuKYq4PA9jwEJ1Mm wjGQambf6XhIV/WMxs6kFqYaaHdFwvX6RWdpisscMw/wZ4WZsA+kBdl3+w11wI64QzozuUw29fCzF 6bcDqzUSjDf9S0c+iNFHOFpOaM4r3xPA7y9i2B22SLB/iHL8jg8OiIaZ5p0BiZ12ZoIHUAP/V5Phy CaqhmT48hLkZcOQmzg39tPBxUdTSF6LnbixjqSNUesHltqV6UJpGD66vOEwdq7R391N+2LJtveGqS OXm/2K7ni7fxsGeEBERanjYsCQ59EcXOvmPmxbR6wdKf8nAs0DNy0rPkfkuV/Q20bN324P+kRTZvf Ns6wRmFQ==; Received: from [91.187.204.140] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sJ5VB-00000009ISa-1G1W; Mon, 17 Jun 2024 06:06:01 +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, Bart Van Assche , Stefan Hajnoczi , Damien Le Moal , Hannes Reinecke , Johannes Thumshirn Subject: [PATCH 09/26] virtio_blk: remove virtblk_update_cache_mode Date: Mon, 17 Jun 2024 08:04:36 +0200 Message-ID: <20240617060532.127975-10-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: ceph-devel@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 virtblk_update_cache_mode boils down to a single call to blk_queue_write_cache. Remove it in preparation for moving the cache control flags into the queue_limits. Signed-off-by: Christoph Hellwig Reviewed-by: Bart Van Assche Reviewed-by: Stefan Hajnoczi Reviewed-by: Damien Le Moal Reviewed-by: Hannes Reinecke Reviewed-by: Johannes Thumshirn --- drivers/block/virtio_blk.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 2351f411fa4680..378b241911ca87 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -1089,14 +1089,6 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev) return writeback; } -static void virtblk_update_cache_mode(struct virtio_device *vdev) -{ - u8 writeback = virtblk_get_cache_mode(vdev); - struct virtio_blk *vblk = vdev->priv; - - blk_queue_write_cache(vblk->disk->queue, writeback, false); -} - static const char *const virtblk_cache_types[] = { "write through", "write back" }; @@ -1116,7 +1108,7 @@ cache_type_store(struct device *dev, struct device_attribute *attr, return i; virtio_cwrite8(vdev, offsetof(struct virtio_blk_config, wce), i); - virtblk_update_cache_mode(vdev); + blk_queue_write_cache(disk->queue, virtblk_get_cache_mode(vdev), false); return count; } @@ -1528,7 +1520,8 @@ static int virtblk_probe(struct virtio_device *vdev) vblk->index = index; /* configure queue flush support */ - virtblk_update_cache_mode(vdev); + blk_queue_write_cache(vblk->disk->queue, virtblk_get_cache_mode(vdev), + false); /* If disk is read-only in the host, the guest should obey */ if (virtio_has_feature(vdev, VIRTIO_BLK_F_RO))