From patchwork Fri Feb 3 15:06:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13127798 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 6A91EC64ED9 for ; Fri, 3 Feb 2023 15:08:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234110AbjBCPId (ORCPT ); Fri, 3 Feb 2023 10:08:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48780 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233857AbjBCPIM (ORCPT ); Fri, 3 Feb 2023 10:08:12 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 529D422785; Fri, 3 Feb 2023 07:08:10 -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=30k+iDgncAPWoIs1asbdJ9AypT pITGuCJcL7UjH77N0dHLrWCTR4iipsDLVSW1QkzBjl3E2+n1+Xe4dpJ+eb12NdzBrOfqIv3wyv73u 0B5GW0AkghrWW2KBjdcpriHbaq67fty0PDv5EFHX1PNPyTXgz54iiBjDGBvM6y6LkzWeilykH2Oee NaDGnsn4CsqXIde+48ZnjSRU7C6ug5s0+Gn27MqKY0Us8YXKsPBEPH+CPwhJFQTz+s60KM0HlDquy RajcB2tsdJjsrHGRty4MY961bDPOHyuiO74hKxUINUfu4DP1ybIQAYnV766eoXhGVLyK/brlG2Q0D dPD5YyZw==; Received: from [2001:4bb8:19a:272a:910:bb67:7287:f956] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1pNxeu-002b0b-M3; Fri, 03 Feb 2023 15:07:25 +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: Fri, 3 Feb 2023 16:06:25 +0100 Message-Id: <20230203150634.3199647-15-hch@lst.de> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230203150634.3199647-1-hch@lst.de> References: <20230203150634.3199647-1-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: target-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)