From patchwork Sat May 2 12:09:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Begunkov X-Patchwork-Id: 11523843 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0AC7681 for ; Sat, 2 May 2020 12:10:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E2B332063A for ; Sat, 2 May 2020 12:10:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OIQmRP1H" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727908AbgEBMKk (ORCPT ); Sat, 2 May 2020 08:10:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726654AbgEBMKk (ORCPT ); Sat, 2 May 2020 08:10:40 -0400 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 23D2FC061A0C; Sat, 2 May 2020 05:10:40 -0700 (PDT) Received: by mail-wm1-x342.google.com with SMTP id z6so3130998wml.2; Sat, 02 May 2020 05:10:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=lPr29k9RhQr589P04yAVrhsNnJ7exYeB4/uJNuFLT88=; b=OIQmRP1HYjiNVA2bdyAXq1GRdtCdlmQJsbBZo+O3U1gRDxl8Y0DdiFf74DnJmmHmUV VYG/y5z046E7yHhxBdkCFgS8Hrg2NwUaMfgRpJARtVpFlaB77ohYDpyeYhmdUX8ZC6Sh xA9uu8t2sZHlo6uDCGiHVQ2iDsHB2256VRjPQOk94pdx2DV8CtLcBn4UwNVrD4ylcqoJ ocQpOuQ2LLYiVgwSjfKIWtz6DZTVdHFvY9S//hoGqxXcudijLflSIBHl3axYIYONRoKy vZbaVxnnpgHUZ7S163W4hTqyA685sKO+9XlpAQaOxObCPnQRzxZ/HNsP2dWt/kcXccaB wJeQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=lPr29k9RhQr589P04yAVrhsNnJ7exYeB4/uJNuFLT88=; b=E2ypGGBChQcoqF8ZrPRKIQqwfdi1nLt/DHvyzRJSI1mwkN04QA4IcARNQkwgAY1vv6 B/ADc2V50c83SLALANLMz9aQU1qSBkCHJGu8jm/BVgFF38Lxqfc7BHjw2W9m/Dq9E9Wg 37HLPhYtiCL2xUbx1NLAWm0TtWKCiCBVps1tVNcEO1p1eWwvnknHHlsRx89Y3c6BPE1R ukT/WH2NcsSmwjymgTCn2dfOSc5w5fp0e6UUlm+8og4F4uNPWfqApV/AV6BWnn4pfvOo OSXRaUfMFV+bp/XQF5FsGJ6USH78uCH1Ifs+KWfKLKRebHar0YyAadTZIo6QxTKSWA57 s37Q== X-Gm-Message-State: AGi0PuYxum8Gk6WPq8p6AeLf4QRXMKiZSdyBqDV9JQGy60wdNNvjU/e9 XcwhN85LeC0ILCMwG061juA= X-Google-Smtp-Source: APiQypLme8PeyVVqSQ3rxJG5vPC9t3mry1ihG64kNeIYwbi69bukbrNUXcGW3ex8o8Mx4aJ1N1x5MQ== X-Received: by 2002:a1c:4346:: with SMTP id q67mr4319532wma.162.1588421438812; Sat, 02 May 2020 05:10:38 -0700 (PDT) Received: from localhost.localdomain ([109.126.133.135]) by smtp.gmail.com with ESMTPSA id m15sm3858297wmc.35.2020.05.02.05.10.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 02 May 2020 05:10:38 -0700 (PDT) From: Pavel Begunkov To: Jens Axboe , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, Alexander Viro , linux-fsdevel@vger.kernel.org, Clay Harris Subject: [PATCH 1/2] splice: export do_tee() Date: Sat, 2 May 2020 15:09:25 +0300 Message-Id: <56e9c3c84e5dbf0be8272b520a7f26b039724175.1588421219.git.asml.silence@gmail.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org export do_tee() for use in io_uring Signed-off-by: Pavel Begunkov --- fs/splice.c | 3 +-- include/linux/splice.h | 3 +++ 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/splice.c b/fs/splice.c index 4735defc46ee..000be62c5146 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -1763,8 +1763,7 @@ static int link_pipe(struct pipe_inode_info *ipipe, * The 'flags' used are the SPLICE_F_* variants, currently the only * applicable one is SPLICE_F_NONBLOCK. */ -static long do_tee(struct file *in, struct file *out, size_t len, - unsigned int flags) +long do_tee(struct file *in, struct file *out, size_t len, unsigned int flags) { struct pipe_inode_info *ipipe = get_pipe_info(in); struct pipe_inode_info *opipe = get_pipe_info(out); diff --git a/include/linux/splice.h b/include/linux/splice.h index ebbbfea48aa0..5c47013f708e 100644 --- a/include/linux/splice.h +++ b/include/linux/splice.h @@ -82,6 +82,9 @@ extern long do_splice(struct file *in, loff_t __user *off_in, struct file *out, loff_t __user *off_out, size_t len, unsigned int flags); +extern long do_tee(struct file *in, struct file *out, size_t len, + unsigned int flags); + /* * for dynamic pipe sizing */