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Thu, 18 Jul 2024 08:45:31 +0000 Received: from AS8PR04MB8344.eurprd04.prod.outlook.com ([fe80::d3e7:36d9:18b3:3bc7]) by AS8PR04MB8344.eurprd04.prod.outlook.com ([fe80::d3e7:36d9:18b3:3bc7%5]) with mapi id 15.20.7784.016; Thu, 18 Jul 2024 08:45:31 +0000 From: Ofir Gal To: davem@davemloft.net, linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, netdev@vger.kernel.org, ceph-devel@vger.kernel.org Cc: dhowells@redhat.com, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, kbusch@kernel.org, axboe@kernel.dk, hch@lst.de, sagi@grimberg.me, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, christoph.boehmwalder@linbit.com, idryomov@gmail.com, xiubli@redhat.com Subject: [PATCH v5 3/3] drbd: use sendpages_ok() instead of sendpage_ok() Date: Thu, 18 Jul 2024 11:45:14 +0300 Message-ID: <20240718084515.3833733-4-ofir.gal@volumez.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240718084515.3833733-1-ofir.gal@volumez.com> References: <20240718084515.3833733-1-ofir.gal@volumez.com> X-ClientProxiedBy: TL2P290CA0030.ISRP290.PROD.OUTLOOK.COM (2603:1096:950:3::16) To AS8PR04MB8344.eurprd04.prod.outlook.com (2603:10a6:20b:3b3::20) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR04MB8344:EE_|PAXPR04MB9005:EE_ X-MS-Office365-Filtering-Correlation-Id: 505f93ef-ebe3-4eaf-8108-08dca705fae6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|376014|7416014|52116014|38350700014; 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MSG_SPLICE_PAGES enables skb_splice_from_iter() which checks all the pages it sends with sendpage_ok(). When _drbd_send_page() sends an iterator that the first page is sendable, but one of the other pages isn't skb_splice_from_iter() warns and aborts the data transfer. Using the new helper sendpages_ok() in order to enable MSG_SPLICE_PAGES solves the issue. Acked-by: Christoph Böhmwalder Signed-off-by: Ofir Gal --- drivers/block/drbd/drbd_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 113b441d4d36..a5dbbf6cce23 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1550,7 +1550,7 @@ static int _drbd_send_page(struct drbd_peer_device *peer_device, struct page *pa * put_page(); and would cause either a VM_BUG directly, or * __page_cache_release a page that would actually still be referenced * by someone, leading to some obscure delayed Oops somewhere else. */ - if (!drbd_disable_sendpage && sendpage_ok(page)) + if (!drbd_disable_sendpage && sendpages_ok(page, len, offset)) msg.msg_flags |= MSG_NOSIGNAL | MSG_SPLICE_PAGES; drbd_update_congested(peer_device->connection);