From mboxrd@z Thu Jan 1 00:00:00 1970 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id ECD55C83F01 for ; Sun, 27 Aug 2023 20:47:37 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 68A9B28000E; Sun, 27 Aug 2023 16:47:37 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 63B388E0001; Sun, 27 Aug 2023 16:47:37 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 502A328000E; Sun, 27 Aug 2023 16:47:37 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 424988E0001 for ; Sun, 27 Aug 2023 16:47:37 -0400 (EDT) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 0B01EC01A3 for ; Sun, 27 Aug 2023 20:47:37 +0000 (UTC) X-FDA: 81171070554.01.024752D Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf13.hostedemail.com (Postfix) with ESMTP id 6D69A20008 for ; Sun, 27 Aug 2023 20:47:35 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=rNsimzjb; dmarc=none; spf=none (imf13.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1693169255; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=PcFOPVpAmfEy32wmLZk8ueqNLvTCgnNwnqcJznT/RPQ=; b=lklOMIZX8W3EtUC1WtIOAncFca8bSdS/rYGewgfkALCMoyH8+3Ne1HX9GX34QHl6Qe4+Ek lXaXVr447Zom21kZc4fdZ4yosGuMQBaVdVQiPGdnBox0SqNhXobN4z6wxgBzXdiynvI3Tw FeLU/fyNFUSdqmN7UMCYV/vGRcD3id0= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=rNsimzjb; dmarc=none; spf=none (imf13.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1693169255; a=rsa-sha256; cv=none; b=XZCWO4mL/EWqDUHem70ktgTlIC9g5QvJy1ANTCGHGV15TIDwv4d5f4HxzxvdD062sirftB mBYYdRjaZUd6o/oxiYNuYrJb6jBwsUknEFcPcvXs42bE2JxkS+uruAjcYPaRIkWc0eVnNq sBK7xhxSfn3VOJoyOJsUeYodlIUKZu0= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=PcFOPVpAmfEy32wmLZk8ueqNLvTCgnNwnqcJznT/RPQ=; b=rNsimzjbKmM2oAlOTJ0DzjsqcD 17aYtuzwaGU+CR8bJtkEeJr/wCSQMKchDc0n2mlQZ7v9rEEKKGacwZsk+Mho4BlGQdRHWhRckPvPs fMAYQy7+QXBdTjAznfYn8yoo2Vt8NnBgsp0KpbdkC6EeIBdGLqHsafJ8s67fpw63Doi4IWtOlBji1 MNTrBEfgnOFbk2WLamTkOgHWwWl/muBmiqb1Xzl2D+NHqIQ82dzKbnLLfmjRYZ7IV0n24RJ6z3j9d dk+Bi80MVVBrmB0+FFfEqYIN7sGr6Bu4FSHMLVu2SkHeyRuhO+l5+YcAQVjuGi14l8MuPMLDNTwlB D4MIXbrw==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qaMf3-00DklQ-NN; Sun, 27 Aug 2023 20:47:05 +0000 Date: Sun, 27 Aug 2023 21:47:05 +0100 From: Matthew Wilcox To: Hao Xu Cc: io-uring@vger.kernel.org, Jens Axboe , Dominique Martinet , Pavel Begunkov , Christian Brauner , Alexander Viro , Stefan Roesch , Clay Harris , Dave Chinner , "Darrick J . Wong" , linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-cachefs@redhat.com, ecryptfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-unionfs@vger.kernel.org, bpf@vger.kernel.org, netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org, codalist@coda.cs.cmu.edu, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-mm@kvack.org, linux-nilfs@vger.kernel.org, devel@lists.orangefs.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-mtd@lists.infradead.org, Wanpeng Li Subject: Re: [PATCH 04/11] vfs: add a vfs helper for io_uring file pos lock Message-ID: References: <20230827132835.1373581-1-hao.xu@linux.dev> <20230827132835.1373581-5-hao.xu@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230827132835.1373581-5-hao.xu@linux.dev> X-Rspamd-Queue-Id: 6D69A20008 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: mikwejraioobziphqe636xyy5iodpdkd X-HE-Tag: 1693169255-295869 X-HE-Meta: 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 g/XyJ4UN BfrW54McSlQ8ijcs6G80+ZZdEncNyMu5Xrjs/oADYvNS9Fl1nsxSzLoIqnYdl9idW0Ny2K1oXoFczIKfr6UwzN7bmMCwKJf53PWLgP/xT2Q/4AoAj+IhFFTalyrI9s/y6xHjXtTzXUDDyLcFRkR4UdXudF6BLVgPmd9CzYQvpknEN7YzUyKmeIMdiRDY/ZIjGelLzj2LHgiO0Bk9aXA3f51Ff4yfVuFsHg0lvDX6Mz1T/lhzp2V2VCd1ctfg1tsnnOWSq X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sun, Aug 27, 2023 at 09:28:28PM +0800, Hao Xu wrote: > +++ b/include/linux/file.h > @@ -81,6 +81,8 @@ static inline void fdput_pos(struct fd f) > fdput(f); > } > > +extern int file_pos_lock_nowait(struct file *file, bool nowait); No extern on function declarations.