From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D455636C5AF; Wed, 14 Jan 2026 06:29:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768372186; cv=none; b=E2FxjjfhNQWOHA7+Fvo3hoEdsjfFtaUR4bY072Awig6MsfU3xLFiZJhrXqPCDG6zZ/t07INbIZ5N+fn4neUmzJX/E/sQr+ZTTJgkvv5n8aJIWQ+KF1SDZXHn/vG5t7kBBusGVdsxgM5xIjDsLq+rQNH/d/d4SQOc3w8OzmDz01Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768372186; c=relaxed/simple; bh=Fe9eTs9a327UQmmnr4zDsu4XzNFUmS/8f3UN/pnnrek=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=iVtvlcZM5pTCmrig5eGGxvxRcxiNAOzOTFrC/e0s9zDa3BCOpcUS3hqENXD7J8PAHwx0v0Gn9RshE015fwYyaQ3MYD5CN5NPPhlLDQ6P1QkRatNng9vV2NclW3wqvuXs1UievmOlECQddxxPyK7StAigxFw+HUQCW5ovCBdHpQ0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=MkKROcR+; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="MkKROcR+" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=t1lJVfHRx2M73EEQBeyjJ4ZU0g5MJMBt85jgXIscgqk=; b=MkKROcR+fTRxETHChOoegafJYd rVnSIecuPjzpPHAi79Z/9E8hnQE/6D+duG7uKE8Etw/Bm6dWntrsVhsVurmjDh6xZsV+8pHxkeSoJ ndNxzNYJknNqsW3hr24nqZHB3ULW5yRVpmnifag0V9pVxlQPJMOiWJmWmZkBz5qjZPdJ3c+mjXSGp 4Jy+no+6j4YYszNuWSWw4+r+n062YwVhPa2zS+YyqyK8Q1gdzXfH19dNw1oI7HYA5BvmSfu1ZVJSl ACN0osF2p0zrPz6GjW8Z8JvD9QXvhwnkzyztUTe+XucT4knsGMqADhm06qixbeOjah8JvRXTt4+np /3dA1Z+Q==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vfuN1-000000087m5-2rva; Wed, 14 Jan 2026 06:28:43 +0000 Date: Tue, 13 Jan 2026 22:28:43 -0800 From: Christoph Hellwig To: Jeff Layton Cc: Christoph Hellwig , Christian Brauner , Amir Goldstein , Chuck Lever , Jan Kara , Luis de Bethencourt , Salah Triki , Nicolas Pitre , Anders Larsen , Alexander Viro , David Sterba , Chris Mason , Gao Xiang , Chao Yu , Yue Hu , Jeffle Xu , Sandeep Dhavale , Hongbo Li , Chunhai Guo , Jan Kara , Theodore Ts'o , Andreas Dilger , Jaegeuk Kim , OGAWA Hirofumi , David Woodhouse , Richard Weinberger , Dave Kleikamp , Ryusuke Konishi , Viacheslav Dubeyko , Konstantin Komarov , Mark Fasheh , Joel Becker , Joseph Qi , Mike Marshall , Martin Brandenburg , Miklos Szeredi , Phillip Lougher , Carlos Maiolino , Hugh Dickins , Baolin Wang , Andrew Morton , Namjae Jeon , Sungjong Seo , Yuezhang Mo , Alexander Aring , Andreas Gruenbacher , Jonathan Corbet , "Matthew Wilcox (Oracle)" , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , Xiubo Li , Ilya Dryomov , Trond Myklebust , Anna Schumaker , Steve French , Paulo Alcantara , Ronnie Sahlberg , Shyam Prasad N , Tom Talpey , Bharath SM , Hans de Goede , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-mtd@lists.infradead.org, jfs-discussion@lists.sourceforge.net, linux-nilfs@vger.kernel.org, ntfs3@lists.linux.dev, ocfs2-devel@lists.linux.dev, devel@lists.orangefs.org, linux-unionfs@vger.kernel.org, linux-xfs@vger.kernel.org, linux-mm@kvack.org, gfs2@lists.linux.dev, linux-doc@vger.kernel.org, v9fs@lists.linux.dev, ceph-devel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org Subject: Re: [PATCH 00/24] vfs: require filesystems to explicitly opt-in to lease support Message-ID: References: <20260108-setlease-6-20-v1-0-ea4dec9b67fa@kernel.org> <8af369636c32b868f83669c49aea708ca3b894ac.camel@kernel.org> <20260113-mondlicht-raven-82fc4eb70e9d@brauner> Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Tue, Jan 13, 2026 at 12:06:42PM -0500, Jeff Layton wrote: > Fair point, but it's not that hard to conceive of a situation where > someone inadvertantly exports cgroupfs or some similar filesystem: Sure. But how is this worse than accidentally exporting private data or any other misconfiguration?