From patchwork Fri Aug 25 13:54:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hao Xu X-Patchwork-Id: 13365827 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 60156EE49A5 for ; Fri, 25 Aug 2023 13:58:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245399AbjHYN6J (ORCPT ); Fri, 25 Aug 2023 09:58:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245510AbjHYN5k (ORCPT ); Fri, 25 Aug 2023 09:57:40 -0400 Received: from out-250.mta1.migadu.com (out-250.mta1.migadu.com [IPv6:2001:41d0:203:375::fa]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1462C269E for ; Fri, 25 Aug 2023 06:57:18 -0700 (PDT) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1692971837; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/w6lIGuCSX5M2SzS7SE+A2P7DaEhoFOZKnfxuRd6M0g=; b=ZBBdmQmn/QswMnMhJaSAfXlf1oUY8DtSqPmmn75d8pDMERuOJJX6J86JCF/c0yd1RLwCFL 31gixh9w5LkzzEj2vO8LvkCfQ90DBKrPt5Zp4Wgls4dziWWNaF03qzW9wejmnudGoy1bT6 SZd55YvanxvHQ0hgcOptPehal51m0m0= From: Hao Xu To: io-uring@vger.kernel.org, Jens Axboe Cc: 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: [PATCH 06/29] vfs: add file_pos_unlock() for io_uring usage Date: Fri, 25 Aug 2023 21:54:08 +0800 Message-Id: <20230825135431.1317785-7-hao.xu@linux.dev> In-Reply-To: <20230825135431.1317785-1-hao.xu@linux.dev> References: <20230825135431.1317785-1-hao.xu@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org From: Hao Xu Add a helper to unlock f_pos_lock without any condition. Introduce this since io_uring handles f_pos_lock not with a fd struct, thus FDPUT_POS_UNLOCK isn't used. Signed-off-by: Hao Xu --- include/linux/file.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/file.h b/include/linux/file.h index bcc6ba0aec50..a179f4794341 100644 --- a/include/linux/file.h +++ b/include/linux/file.h @@ -81,6 +81,11 @@ static inline void fdput_pos(struct fd f) fdput(f); } +static inline void file_pos_unlock(struct file *file) +{ + __f_unlock_pos(file); +} + extern int file_pos_lock_nowait(struct file *file, bool nowait); DEFINE_CLASS(fd, struct fd, fdput(_T), fdget(fd), int fd)