From patchwork Mon Jun 17 06:04:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 1948390 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=AVR79O3P; 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-mtd-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 4W2fXl2sLPz20KL for ; Mon, 17 Jun 2024 16:06:47 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=mEKi7FihBCrZdE/SHWcm5xerpOirsc7W84teW5rZ6To=; b=AVR79O3Pfd1E10 ck5L42n9bXU9RPfCw3CJC0mv9xdU+FLwm5rGhLrcYhlDcfA1Rg3RArU5w2U+LKM+lP9gr/Yc5TMsa eqt5DmYgVLPLRJTa8M1SyOZ8OEBY6PxNyNzK3OAOGqtnMk7K7k3v2Bj78dyFPcYwyTmZ71jHW6nF5 fAXAI6ytpLEyTb4WBoAc9U9Ou8erJ8tA7N1lTddyQAnFfHPqpriUqog+zeLY9A9OUtifAWUUyxc+1 bW/dCrFVKIrUAeOYvukROHVSEd7BPPOuqmU5HSaSy7HmZsNYvJQPR9MLDhAQUMotOLTjurYK7OKix UKlkYbi5xs1Getzvygkg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sJ5Vk-00000009Izy-0uSR; Mon, 17 Jun 2024 06:06:36 +0000 Received: from [91.187.204.140] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sJ5VD-00000009IVS-3gIx; Mon, 17 Jun 2024 06:06:04 +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 , Damien Le Moal , Hannes Reinecke Subject: [PATCH 10/26] nbd: move setting the cache control flags to __nbd_set_size Date: Mon, 17 Jun 2024 08:04:37 +0200 Message-ID: <20240617060532.127975-11-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-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Move setting the cache control flags in nbd in preparation for moving these flags into the queue_limits structure. Signed-off-by: Christoph Hellwig Reviewed-by: Bart Van Assche Reviewed-by: Josef Bacik Reviewed-by: Damien Le Moal Reviewed-by: Hannes Reinecke --- drivers/block/nbd.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index ad887d614d5b3f..44b8c671921e5c 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -342,6 +342,12 @@ static int __nbd_set_size(struct nbd_device *nbd, loff_t bytesize, lim.max_hw_discard_sectors = UINT_MAX; else lim.max_hw_discard_sectors = 0; + if (!(nbd->config->flags & NBD_FLAG_SEND_FLUSH)) + blk_queue_write_cache(nbd->disk->queue, false, false); + else if (nbd->config->flags & NBD_FLAG_SEND_FUA) + blk_queue_write_cache(nbd->disk->queue, true, true); + else + blk_queue_write_cache(nbd->disk->queue, true, false); lim.logical_block_size = blksize; lim.physical_block_size = blksize; error = queue_limits_commit_update(nbd->disk->queue, &lim); @@ -1286,19 +1292,10 @@ static void nbd_bdev_reset(struct nbd_device *nbd) static void nbd_parse_flags(struct nbd_device *nbd) { - struct nbd_config *config = nbd->config; - if (config->flags & NBD_FLAG_READ_ONLY) + if (nbd->config->flags & NBD_FLAG_READ_ONLY) set_disk_ro(nbd->disk, true); else set_disk_ro(nbd->disk, false); - if (config->flags & NBD_FLAG_SEND_FLUSH) { - if (config->flags & NBD_FLAG_SEND_FUA) - blk_queue_write_cache(nbd->disk->queue, true, true); - else - blk_queue_write_cache(nbd->disk->queue, true, false); - } - else - blk_queue_write_cache(nbd->disk->queue, false, false); } static void send_disconnects(struct nbd_device *nbd)