From: Erin Shepherd Date: Fri, 29 Nov 2024 13:38:00 +0000 (+0100) Subject: pseudofs: add support for export_ops X-Git-Tag: v6.14-rc1~215^2~4^2~5 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d2ab36bb115b720c9c738184d4007e1ca01c53da;p=thirdparty%2Fkernel%2Flinux.git pseudofs: add support for export_ops 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 Reviewed-by: Jan Kara Signed-off-by: Erin Shepherd Link: https://lore.kernel.org/r/20241113-pidfs_fh-v2-1-9a4d28155a37@e43.eu Link: https://lore.kernel.org/r/20241129-work-pidfs-file_handle-v1-1-87d803a42495@kernel.org Signed-off-by: Christian Brauner --- diff --git a/fs/libfs.c b/fs/libfs.c index 748ac59231547..2890a9c4a414b 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -673,6 +673,7 @@ 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 730f77381d55f..2503f7625d65e 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;