From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hao Xu 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> References: <20230825135431.1317785-1-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=FCNMCaBUurNOocntHO+hi3C1sj SE0FvH/VYkKrJ85X3hQZlsekwf4rEqQFHH1GbD52pgvXm5DyjixSVeNA9FP+pgf47GQKxJ5HhScaB 83BijIq/9ol8tth9/z3L+8bl+Yc8CYf+VnzG36kR+yBsFqwOyL1zaiV8h3fmM2ImcC9w=; 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=fmC08pBfD7JIvTyoQesMQxWJI8 ABadLHf3v79TxrzHYZI8JkclhMMW+WdMzz3uyZp9RyWCjLA5o3Ib+6+2qd2NixZDE7jFw7W8D/FQ0 z4mSDZ/CqHrMr/s5HV2hhLa2Vaxsui1i58fHhLtTh0KhWTZAjqiFR+j5rk2VfLYGOX5s=; 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= In-Reply-To: <20230825135431.1317785-1-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