[v1] fs: require filesystems to explicitly opt-in to nfsd export support

[PATCH 08/29] ceph: add EXPORT_OP_STABLE_HANDLES flag to export operations

Posted by Jeff Layton 3 weeks, 3 days ago

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

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

diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index b2f2af1046791d8423c91b79556bde384a2fe627..10104d20f736a8092ed847ecb27030be286c0ede 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -615,4 +615,5 @@ const struct export_operations ceph_export_ops = {
 	.fh_to_parent = ceph_fh_to_parent,
 	.get_parent = ceph_get_parent,
 	.get_name = ceph_get_name,
+	.flags = EXPORT_OP_STABLE_HANDLES,
 };

-- 
2.52.0

Re: [PATCH 08/29] ceph: add EXPORT_OP_STABLE_HANDLES flag to export operations

Posted by Viacheslav Dubeyko 3 weeks, 3 days ago

On Thu, 2026-01-15 at 12:47 -0500, Jeff Layton wrote:
> Add the EXPORT_OP_STABLE_HANDLES flag to ceph export operations to indicate
> that this filesystem can be exported via NFS.
> 
> Signed-off-by: Jeff Layton <jlayton@kernel.org>
> ---
>  fs/ceph/export.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/ceph/export.c b/fs/ceph/export.c
> index b2f2af1046791d8423c91b79556bde384a2fe627..10104d20f736a8092ed847ecb27030be286c0ede 100644
> --- a/fs/ceph/export.c
> +++ b/fs/ceph/export.c
> @@ -615,4 +615,5 @@ const struct export_operations ceph_export_ops = {
>  	.fh_to_parent = ceph_fh_to_parent,
>  	.get_parent = ceph_get_parent,
>  	.get_name = ceph_get_name,
> +	.flags = EXPORT_OP_STABLE_HANDLES,
>  };

Looks good.

Reviewed-by: Viacheslav Dubeyko <Slava.Dubeyko@ibm.com>

Thanks,
Slava.