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 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.lore.kernel.org (Postfix) with ESMTPS id E935AC44501 for ; Wed, 21 Jan 2026 10:01:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fBp6qCLUNRt1+qR6wEBMBrn4+NT59CRr4y90YF6Enfw=; b=lfNYISAFTtLq7M wR5bQXZ/8y0odLTYp1lV1pFQH8kXFhZl3xtt9WHalnhsfYHm+YeG7rYAK3+lwtWbKzhLJVKe0c3wj gFiUW/q4aJ79wJ2jrnD672MIDikZ54RiyGdji7ZUZS80ScPx6kgWc+xC6qidaI3Cbim4wAlyG+UaD XT6vVcDIpHOmXWORnEGEpsg/KVOUdnVfVI3F+sC4oTzaJXsNNspEi89LqlTmdi/scfv5ZDcqfLrS4 XVGaS6jfUMH48UGI7h0J/sMUHfCjg/rMBTnygrZZL5Ea35tCmQGvkAHHXoHjrLsUcBmB9TrJJqO6Y 8IbWLcVfddBs8bzKptYA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1viV1k-00000005EUH-1GbC; Wed, 21 Jan 2026 10:01:28 +0000 Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1viV1i-00000005ETt-0UQN; Wed, 21 Jan 2026 10:01:26 +0000 Date: Wed, 21 Jan 2026 02:01:26 -0800 From: Christoph Hellwig To: Jeff Layton Cc: Christian Brauner , NeilBrown , Christoph Hellwig , Amir Goldstein , Alexander Viro , Chuck Lever , Olga Kornievskaia , Dai Ngo , Tom Talpey , Hugh Dickins , Baolin Wang , Andrew Morton , Theodore Ts'o , Andreas Dilger , Jan Kara , Gao Xiang , Chao Yu , Yue Hu , Jeffle Xu , Sandeep Dhavale , Hongbo Li , Chunhai Guo , Carlos Maiolino , Ilya Dryomov , Alex Markuze , Viacheslav Dubeyko , Chris Mason , David Sterba , Luis de Bethencourt , Salah Triki , Phillip Lougher , Steve French , Paulo Alcantara , Ronnie Sahlberg , Shyam Prasad N , Bharath SM , Miklos Szeredi , Mike Marshall , Martin Brandenburg , Mark Fasheh , Joel Becker , Joseph Qi , Konstantin Komarov , Ryusuke Konishi , Trond Myklebust , Anna Schumaker , Dave Kleikamp , David Woodhouse , Richard Weinberger , Jan Kara , Andreas Gruenbacher , OGAWA Hirofumi , Jaegeuk Kim , linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-ext4@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-xfs@vger.kernel.org, ceph-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-unionfs@vger.kernel.org, devel@lists.orangefs.org, ocfs2-devel@lists.linux.dev, ntfs3@lists.linux.dev, linux-nilfs@vger.kernel.org, jfs-discussion@lists.sourceforge.net, linux-mtd@lists.infradead.org, gfs2@lists.linux.dev, linux-f2fs-devel@lists.sourceforge.net Subject: Re: [PATCH 00/29] fs: require filesystems to explicitly opt-in to nfsd export support Message-ID: References: <9c99197dde2eafa55a1b55dce2f0d4d02c77340a.camel@kernel.org> <176877859306.16766.15009835437490907207@noble.neil.brown.name> <176880736225.16766.4203157325432990313@noble.neil.brown.name> <20260119-kanufahren-meerjungfrau-775048806544@brauner> <176885553525.16766.291581709413217562@noble.neil.brown.name> <20260120-entmilitarisieren-wanken-afd04b910897@brauner> <176890211061.16766.16354247063052030403@noble.neil.brown.name> <20260120-hacken-revision-88209121ac2c@brauner> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Tue, Jan 20, 2026 at 07:50:32AM -0500, Jeff Layton wrote: > At this point, maybe we should just go with Neil's > EXPORT_OP_SUPPORTS_NFS_EXPORT or something. It's much more arbitrary, > than trying to base this on criteria about filehandle stability, but it > would give us the effect we want. We'll still need a stable handles flag, and expose it to userspace to avoid applications being tricked into using broken non-stable file handles. We should have caught that when they were added, but didn't unfortunately. ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/