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Wed, 13 Nov 2024 12:55:28 -0500 (EST) From: Erin Shepherd Date: Wed, 13 Nov 2024 17:55:23 +0000 Subject: [PATCH v2 1/3] pseudofs: add support for export_ops Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241113-pidfs_fh-v2-1-9a4d28155a37@e43.eu> References: <20241113-pidfs_fh-v2-0-9a4d28155a37@e43.eu> In-Reply-To: <20241113-pidfs_fh-v2-0-9a4d28155a37@e43.eu> To: Christian Brauner , Alexander Viro , Jan Kara , Chuck Lever Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Jeff Layton , Amir Goldstein , linux-nfs@vger.kernel.org, Erin Shepherd X-Mailer: b4 0.14.2 Pseudo-filesystems might reasonably wish to implement the export ops (particularly for name_to_handle_at/open_by_handle_at); plumb this through pseudo_fs_context Reviewed-by: Amir Goldstein Signed-off-by: Erin Shepherd --- fs/libfs.c | 1 + include/linux/pseudo_fs.h | 1 + 2 files changed, 2 insertions(+) diff --git a/fs/libfs.c b/fs/libfs.c index 46966fd8bcf9f042e85d0b66134e59fbef83abfd..698a2ddfd0cb94a8927d1d8a3bb3b3226d6d5476 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -669,6 +669,7 @@ static int pseudo_fs_fill_super(struct super_block *s, struct fs_context *fc) s->s_blocksize_bits = PAGE_SHIFT; s->s_magic = ctx->magic; s->s_op = ctx->ops ?: &simple_super_operations; + s->s_export_op = ctx->eops; s->s_xattr = ctx->xattr; s->s_time_gran = 1; root = new_inode(s); diff --git a/include/linux/pseudo_fs.h b/include/linux/pseudo_fs.h index 730f77381d55f1816ef14adf7dd2cf1d62bb912c..2503f7625d65e7b1fbe9e64d5abf06cd8f017b5f 100644 --- a/include/linux/pseudo_fs.h +++ b/include/linux/pseudo_fs.h @@ -5,6 +5,7 @@ struct pseudo_fs_context { const struct super_operations *ops; + const struct export_operations *eops; const struct xattr_handler * const *xattr; const struct dentry_operations *dops; unsigned long magic;