From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hao Xu Subject: [PATCH 05/11] vfs: add file_pos_unlock() for io_uring usage Date: Sun, 27 Aug 2023 21:28:29 +0800 Message-ID: <20230827132835.1373581-6-hao.xu@linux.dev> References: <20230827132835.1373581-1-hao.xu@linux.dev> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; 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:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=/w6lIGuCSX5M2SzS7SE+A2P7DaEhoFOZKnfxuRd6M0g=; b=hivIH7uTG7vJApXazkhjnC0Tyi hs4jp/peuZ2rPXjXLmWs17uLsYo0JOXw6Z9SLYW/8k796W1bz6+F0KOsME1m4fGXwtDFpLOFd2xg7 8iyTMBjZC05570tDE0CNAhIGgYs4460QMXf1F8IwonjmaonNivvW2RFzAexCQPa3CX8Y=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; 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:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=/w6lIGuCSX5M2SzS7SE+A2P7DaEhoFOZKnfxuRd6M0g=; b=KZw2h75PrTo/aKXTFxDfxuqasG WHTJDJjmgfjMNGAO0lYn3JZIXsdvYHUjRw5I4Zzu4ew+WWbagRVkSZgYdbvYXYm0y6bC0y0tJ6+1S plEiPI9H/l2wLqQs1W+nTxk86zAM1zgvbFpJdrZghP9Aw9SGkqge80xCwuKsYuS9fnA8=; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1693143191; 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=nFii2RaAVtERxLk40QaUcpRmI8KsgMix1y0E+FJbochLiKUgvfCEHVlGKzl74Le3vQdKIX Ic8HKxNSkSYAWoFe69ooiMlQ7zn66y3ibRq5sWqNObX5lM32Ml0OMzA1739KowhZg9B8i9 pdpKOlIaZIJj3teGeY/OKxpoMDEzjMc= In-Reply-To: <20230827132835.1373581-1-hao.xu@linux.dev> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: io-uring@vger.kernel.org, Jens Axboe Cc: Wanpeng Li , "Darrick J . Wong" , Dominique Martinet , Dave Chinner , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Stefan Roesch , Clay Harris , linux-s390@vger.kernel.org, linux-nilfs@vger.kernel.org, codalist@coda.cs.cmu.edu, cluster-devel@redhat.com, linux-cachefs@redhat.com, linux-ext4@vger.kernel.org, devel@lists.orangefs.org, linux-cifs@vger.kernel.org, ecryptfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-block@vger.kernel.org, Alexander Viro , Christian Brauner , netdev@vger.kernel.org, samba-technical@lists.samba.org, linux-unionfs@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mtd@lists.infradead.org, bpf@vger.kernel.o 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) -- 2.25.1