[v2] fs: require filesystems to explicitly opt-in to nfsd export support

[PATCH v2 27/31] fuse: add EXPORT_OP_STABLE_HANDLES flag to export operations

Posted by Jeff Layton 2 weeks, 5 days ago

Add the EXPORT_OP_STABLE_HANDLES flag to fuse export operations to indicate
that this filesystem can be exported via NFS.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/fuse/inode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 819e50d666224a6201cfc7f450e0bd37bfe32810..df92414e903b200fedb9dc777b913dae1e2d0741 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1215,6 +1215,7 @@ static const struct export_operations fuse_export_operations = {
 	.fh_to_parent	= fuse_fh_to_parent,
 	.encode_fh	= fuse_encode_fh,
 	.get_parent	= fuse_get_parent,
+	.flags		= EXPORT_OP_STABLE_HANDLES,
 };
 
 static const struct super_operations fuse_super_operations = {

-- 
2.52.0

Re: [PATCH v2 27/31] fuse: add EXPORT_OP_STABLE_HANDLES flag to export operations

Posted by Amir Goldstein 2 weeks, 5 days ago

On Mon, Jan 19, 2026 at 5:30 PM Jeff Layton <jlayton@kernel.org> wrote:
>
> Add the EXPORT_OP_STABLE_HANDLES flag to fuse export operations to indicate
> that this filesystem can be exported via NFS.
>
> Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>

> ---
>  fs/fuse/inode.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
> index 819e50d666224a6201cfc7f450e0bd37bfe32810..df92414e903b200fedb9dc777b913dae1e2d0741 100644
> --- a/fs/fuse/inode.c
> +++ b/fs/fuse/inode.c
> @@ -1215,6 +1215,7 @@ static const struct export_operations fuse_export_operations = {
>         .fh_to_parent   = fuse_fh_to_parent,
>         .encode_fh      = fuse_encode_fh,
>         .get_parent     = fuse_get_parent,
> +       .flags          = EXPORT_OP_STABLE_HANDLES,
>  };
>
>  static const struct super_operations fuse_super_operations = {
>
> --
> 2.52.0
>