From nobody Mon Feb 9 13:35:49 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 6C8053C199D; Thu, 15 Jan 2026 17:49:02 +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=1768499342; cv=none; b=usamVZBXwQATjDhZicJ0MKjY7/+5UIEZ9k5TzSv+9klis/JFqSSi6DIZ0pVyQ8Np009Ha545Muk7Ob+9zXjkQqORQ66uuUjJbiJBjhHVi81qVIxJqxYFdXDObjAL+pp8yvcLIdnxFzy3gotuBH8zmCqD80vxtj4mYC+qOA4DueM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768499342; c=relaxed/simple; bh=kXEhnrEqBGLUfKXF9oxTrDiEyMD/rJY/BOIQHOiqT1U=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Yb5CrCFnJ/l+npNKVlKUbF01FkFlx+bhzg2gf0t+YEoPF/3Y38/tK8gpjpoGcu5oq5N605Jvg/Xn+6Sx5nh9UXkybyxBd0azn1AKZFUbMCeLnkmpBouNqYrQrwrSINrPWrLuVmQVh+MlqW9iL5yRtM/Xe8kqVy7BHBH9uBjEv4g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VhGTowRv; 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="VhGTowRv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 67C9FC19422; Thu, 15 Jan 2026 17:48:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768499341; bh=kXEhnrEqBGLUfKXF9oxTrDiEyMD/rJY/BOIQHOiqT1U=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=VhGTowRv1ZdCSbwrP6fIZLhAzqz52dHubpyKszBLI7URAG7W6SPZKGF3KIn0U2zg+ 5tVYEGsuwDF0mJJELm7H4UgOFOZa8Rmf73fjwJHRZQODsuh4NDe4N42RJqo5k0t/Ox wk0Zyo9z0NB4J2vm9kg+NAPOl3NU2G13g328/x0Ky/AmMH30Duw5NUr8i6JtfOedpq J5Dm+VWr3ls784CODv1E8lo+kwt8rHWrmv7tNk1pSucEBPQyhieOVhKlDaTv3/dxrS mFXsnQgF2g22EioMuqnjQY2fJpwhESYq4WgT9lyV5RHSiQDikgxbfcTKxzQfqZwGW+ WoFqmmRBqrJHA== From: Jeff Layton Date: Thu, 15 Jan 2026 12:47:40 -0500 Subject: [PATCH 09/29] btrfs: 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-v1-9-8e80160e3c0c@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=678; i=jlayton@kernel.org; h=from:subject:message-id; bh=kXEhnrEqBGLUfKXF9oxTrDiEyMD/rJY/BOIQHOiqT1U=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBpaShG89hcHuGwJsd2BxAERNQ67iytfM88cVk1v a8CNYB6vTCJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCaWkoRgAKCRAADmhBGVaC FfdyEACPSGL8gQMZBDLdHovcBu5qSm6pu4yGdMYyroq6SWbbG9R0Q5Q2XtDnm7GKMnylAUV/7eD 76S6FhEf7x/OgCgs8sl5VNhrQ1fFRq2rMYx2v6XOqKiCyRShojkXZw/Hxwof17Gk/IYLjwdZqim VUVSQ/pSZy3CqJLm0BXUsMs+kCLPzF5G8ZkLT+BNwDGC3KZwhB0HtOut2eYvgwYxWSnQGjV5v/9 txa5IckHztnGFocaKw9dBZj2YbgWQs37r7LRAJZsmPoSO08Rqu7zr+Z0BtWAAvznqYRu+cQoycT 41wkc56BHYvd4UFgUOM+7TjEbXnVfuX0u7VdrLQ8esaCm2oh4x8HfqZ+Zt1Yhzn5xhV+bFqmu/t D7mX3Pfblk6hCjPdSYPsj5IwLEIKpxUwKcPwOofceq+p4s8f3HXix9p/EPS7PVP2XzgAebYNNAM VJxrqtcHumJplzhU9CGlzT3Kob2C/sZ7FqRoMsZGZMRUoQ5MUQX9iFNSVEhAzTf6S5DsYJ9MYse c4Chhe+FV8WHQsMBHumIIWiOuHDgPOEeauU1sQlYQDU6HwaQ/bEdxHShDeA7b+/riW4JH/ASR5x OGlR2kuII9fCsvYL2J9mVdHOCwyAWITJMJ1OBaJp+VAyA1otLqh9rgT9NK7BlTdb1x13X84Xofs i45vrL1rJ67tEoA== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 Add the EXPORT_OP_STABLE_HANDLES flag to btrfs export operations to indicate that this filesystem can be exported via NFS. Signed-off-by: Jeff Layton --- fs/btrfs/export.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c index 230d9326b685c4e12dc0fffd4a86ebba68a55bd6..14b688849ce406b2f784015afce= d2c29422ab6c3 100644 --- a/fs/btrfs/export.c +++ b/fs/btrfs/export.c @@ -304,4 +304,5 @@ const struct export_operations btrfs_export_ops =3D { .fh_to_parent =3D btrfs_fh_to_parent, .get_parent =3D btrfs_get_parent, .get_name =3D btrfs_get_name, + .flags =3D EXPORT_OP_STABLE_HANDLES, }; --=20 2.52.0