From nobody Mon Feb 9 01:21:06 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 83F843BFE50; Thu, 15 Jan 2026 17:48:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768499295; cv=none; b=q/6geQvkyOYDD2AWrP4H94MyU+c0MqdhLTOhAgazdDBOpUdl+Gnuc1XzO5j/1z0b+jfMANjR8mEhSrZyHxrnvNWa56Manewi6KzDcSoleU4iT5l8iewsIrA4pDpyMXTn3obvjDWbLdVVNa4gBOeLD9CGav8psYtt3WmYgM2cTxM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768499295; c=relaxed/simple; bh=eGzcrbK82AAYHA8mp9BK4OkYs2dNeYeCsyAFHAtDQCg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=k/05lX0V6/bRzS3qrVf5FBNEtGlgw6Fjb3IKP8QwXUoletc+GPucRoNqw4VfZKpXqOQNqtKAeDep4Ch8miKEgOV9TQmDqDLvQPA3cyhpEvdC4ohyx9gKzOR17Lhl3JHhbKIJ7QWYgJLx4cI5lJCYm6rO/oasSse3q5EhBzwsrD8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=N/aT5jS7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="N/aT5jS7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11B80C2BC87; Thu, 15 Jan 2026 17:48:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768499295; bh=eGzcrbK82AAYHA8mp9BK4OkYs2dNeYeCsyAFHAtDQCg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=N/aT5jS7N6QoemTXHYE0cX8UVkbOu2/wbixgEVBgnGYF7LhX8OhNz4XrWyrjWRC7M zD29UA1bZK9fVBcd+hA6xYgcgJEJ2sOcHLu62k3G02+2GGzKX/VLC9noXIbXKuuT5K Nr+33LfHhpTNa+foKCiyUmvvq00e+Du8qeu6aHkC+zm9MykELBvSIJbtqfNnq/OaOK SF+mPjA+LVjF+9H+bIal6zl1BUwjpoAojxDJr4szcfYTYT5pi3BOBaWc53Pi/XWVcL UUg6FGToVwTQewnPmGxKUIYtkaiiQBopAjTCdSXAr5q8BAP1a33Gv7jD+4BPFrdlhn 7fI1YzYPg+SYQ== From: Jeff Layton Date: Thu, 15 Jan 2026 12:47:33 -0500 Subject: [PATCH 02/29] tmpfs: add EXPORT_OP_STABLE_HANDLES flag to export operations Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260115-exportfs-nfsd-v1-2-8e80160e3c0c@kernel.org> References: <20260115-exportfs-nfsd-v1-0-8e80160e3c0c@kernel.org> In-Reply-To: <20260115-exportfs-nfsd-v1-0-8e80160e3c0c@kernel.org> To: Christian Brauner , Alexander Viro , Chuck Lever , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Amir Goldstein , 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 Cc: Christoph Hellwig , 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, samba-technical@lists.samba.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, Jeff Layton X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=687; i=jlayton@kernel.org; h=from:subject:message-id; bh=eGzcrbK82AAYHA8mp9BK4OkYs2dNeYeCsyAFHAtDQCg=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBpaShEbLwccGXUC5j0WTeZML8RysoPsUjSds8pC JZi3m3aO2KJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCaWkoRAAKCRAADmhBGVaC FVG3EACMORg6FWU2k+gTVXQsRhFWMoWdpO7xBjnubHZheO/O5JyWKYWNPX4sbXBvJB6B7Jk1/b1 MaY4i/BdFxaDMt69GQfQWSs/ZjgMLW4LaHiT35v+0ApKcyuUcyUpGbePY8Q45RmV6DfOh9whS9I t8sVCOKSYWlli98pTJRslgDUbjULTXyaFW3R08JP3i5prQEUPNI85rq3Ia39b/3nRxCeLKaHexo Wh8mjzMVA3ncr3QS3JDW8EiM4mJqdcnsG7C0p0NsRXX9Bj1POl4qDX4/A7s0z02kDavF/u2IJaJ vzU3qxp6MoJLJtZOYAMJEzw6d2NIMsfFQi8pwo/iMRDwkqxsFpwRvT7h8npYMpXyQRou5PI4d0k WHlJK66KpzRjMnk6kiLnVvwtZuUQrYq4oVkkaWTcUB+fY19qVtW1hVVw7scwCIR3paw5NG2hfJd yGUZ66kVaTV4kRZIMqbz4YnHGfIFhEP3jeaF0kbPpJ5OOuVTBVgLJoD+69v4diy5ByzJk/ujYyj EnGCShycUwb0IGd7r5f1TDdSScJ49Fh85Zg86XLyxoT3TDIvfZG2VWm5VKRN81ifgwd84hYqGHs dMhx7JclW4kuJSjtBkrqYaWP3J4TCUaDo3fstC9n+P/mEEHHzveE3Gf/t3MD3vm9L8CDEYfw0rc Din5n2xsqXt5kxw== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 Add the EXPORT_OP_STABLE_HANDLES flag to tmpfs export operations to indicate that this filesystem can be exported via NFS. Signed-off-by: Jeff Layton Reviewed-by: Jan Kara --- mm/shmem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/shmem.c b/mm/shmem.c index ec6c01378e9d2bd47db9d7506e4d6a565e092185..c64c4410b4fd9961599a5ea768b= 469d8184e713e 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -4477,6 +4477,7 @@ static const struct export_operations shmem_export_op= s =3D { .get_parent =3D shmem_get_parent, .encode_fh =3D shmem_encode_fh, .fh_to_dentry =3D shmem_fh_to_dentry, + .flags =3D EXPORT_OP_STABLE_HANDLES, }; =20 enum shmem_param { --=20 2.52.0