From patchwork Mon Jan 30 09:21:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 649252 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7233C636D6 for ; Mon, 30 Jan 2023 09:26:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229735AbjA3J0N (ORCPT ); Mon, 30 Jan 2023 04:26:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56520 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235967AbjA3JZv (ORCPT ); Mon, 30 Jan 2023 04:25:51 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AAB112FCF0; Mon, 30 Jan 2023 01:24:20 -0800 (PST) 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=iTork4lgSqwAnNzEK3lzK1UwHk37chVOVoUGPRhe1ko=; b=Qx6f/vAlt0702Bw2gaA0yw3fMn DSbWXckp85GKL6x2K0wVZWlmBP/HHAMGhBrYB08/Vlm/YRJQCq3kI3xMG/WASmjfzQ5X57qRgvH1M aDf2q/VfFfkAfOqqUqPetL8Nnll6XIjG7NgvoDUHbD0cnB+MO8UuF7ljYLg4f4YTGaLPU4yXfmMbt xSZ2xC24sTznBHqPUwQ2KOdIbwsTxD5YqcKUievCZTrFdiYRp348Iffsdx6IiKzBdbwdD1fWYnp87 CKqOs2Hi1NMEf6sOsnEZOuE8nGXc6MpsuZ0+93w6fPSfAyQf9ElR2gHbrsn8rljB8JPoxhMSuKyqW Ecg9ip0g==; Received: from [2001:4bb8:19a:272a:732e:e417:47d7:2f4a] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1pMQNF-002oFW-6t; Mon, 30 Jan 2023 09:22:49 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Ilya Dryomov , "Michael S. Tsirkin" , Jason Wang , Minchan Kim , Sergey Senozhatsky , Keith Busch , Sagi Grimberg , Chaitanya Kulkarni , "Martin K. Petersen" , David Howells , Marc Dionne , Xiubo Li , Steve French , Trond Myklebust , Anna Schumaker , Mike Marshall , Andrew Morton , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Chuck Lever , linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, devel@lists.orangefs.org, io-uring@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 14/23] coredump: use bvec_set_page to initialize a bvec Date: Mon, 30 Jan 2023 10:21:48 +0100 Message-Id: <20230130092157.1759539-15-hch@lst.de> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230130092157.1759539-1-hch@lst.de> References: <20230130092157.1759539-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use the bvec_set_page helper to initialize a bvec. Signed-off-by: Christoph Hellwig --- fs/coredump.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/fs/coredump.c b/fs/coredump.c index de78bde2991beb..0a6873a9c4d0cd 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -840,11 +840,7 @@ static int __dump_skip(struct coredump_params *cprm, size_t nr) static int dump_emit_page(struct coredump_params *cprm, struct page *page) { - struct bio_vec bvec = { - .bv_page = page, - .bv_offset = 0, - .bv_len = PAGE_SIZE, - }; + struct bio_vec bvec; struct iov_iter iter; struct file *file = cprm->file; loff_t pos; @@ -860,6 +856,7 @@ static int dump_emit_page(struct coredump_params *cprm, struct page *page) if (dump_interrupted()) return 0; pos = file->f_pos; + bvec_set_page(&bvec, page, PAGE_SIZE, 0); iov_iter_bvec(&iter, ITER_SOURCE, &bvec, 1, PAGE_SIZE); n = __kernel_write_iter(cprm->file, &iter, &pos); if (n != PAGE_SIZE)