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 X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC10BC433DB for ; Wed, 24 Feb 2021 20:02:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A454E64F08 for ; Wed, 24 Feb 2021 20:02:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235096AbhBXUCP (ORCPT ); Wed, 24 Feb 2021 15:02:15 -0500 Received: from mail.kernel.org ([198.145.29.99]:55484 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235120AbhBXUCJ (ORCPT ); Wed, 24 Feb 2021 15:02:09 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 56CC264F20; Wed, 24 Feb 2021 20:00:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1614196852; bh=BG36qJtyKsDqyW3kruv9FcwEBVvj/yyLc2TZ80f2/7Q=; h=Date:From:To:Subject:In-Reply-To:From; b=xYNu2gUAXGavgLOrj7KZ/TWpJyWBlmjMjlm/5rTor+aa7QD9C2QrozZBZN1EFSy2X 2+SMttSq5sYX9BBG/Kw0u+/+2Y0FVKuJoQAUlR/KnBbC5P8A/haSDaamIKO2coTAu+ FBS0QHohgY9mgFatyg5MDWX2vCuBmpln//fhD5LA= Date: Wed, 24 Feb 2021 12:00:51 -0800 From: Andrew Morton To: adobriyan@gmail.com, akpm@linux-foundation.org, christian.brauner@ubuntu.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, viro@zeniv.linux.org.uk Subject: [patch 013/173] ramfs: support O_TMPFILE Message-ID: <20210224200051.MRGrUqyzj%akpm@linux-foundation.org> In-Reply-To: <20210224115824.1e289a6895087f10c41dd8d6@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Alexey Dobriyan Subject: ramfs: support O_TMPFILE [akpm@linux-foundation.org: update inode_operations.tmpfile] Link: http://lkml.kernel.org/r/20190206073349.GA15311@avx2 Signed-off-by: Alexey Dobriyan Cc: Christian Brauner Cc: Al Viro Signed-off-by: Andrew Morton --- fs/ramfs/inode.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) --- a/fs/ramfs/inode.c~ramfs-support-o_tmpfile +++ a/fs/ramfs/inode.c @@ -151,6 +151,18 @@ static int ramfs_symlink(struct user_nam return error; } +static int ramfs_tmpfile(struct user_namespace *mnt_userns, + struct inode *dir, struct dentry *dentry, umode_t mode) +{ + struct inode *inode; + + inode = ramfs_get_inode(dir->i_sb, dir, mode, 0); + if (!inode) + return -ENOSPC; + d_tmpfile(dentry, inode); + return 0; +} + static const struct inode_operations ramfs_dir_inode_operations = { .create = ramfs_create, .lookup = simple_lookup, @@ -161,6 +173,7 @@ static const struct inode_operations ram .rmdir = simple_rmdir, .mknod = ramfs_mknod, .rename = simple_rename, + .tmpfile = ramfs_tmpfile, }; /* _