[PATCH v2 17/31] ovl: add EXPORT_OP_STABLE_HANDLES flag to export operations

Jeff Layton
2026-01-19T16:29:21Z

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

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

diff --git a/fs/overlayfs/export.c b/fs/overlayfs/export.c
index 83f80fdb156749e65a4ea0ab708cbff338dacdad..18c6aee9dd23bb450dadbe8eef9360ea268241ff 100644
--- a/fs/overlayfs/export.c
+++ b/fs/overlayfs/export.c
@@ -865,6 +865,7 @@ const struct export_operations ovl_export_operations = {
.fh_to_parent = ovl_fh_to_parent,
.get_name = ovl_get_name,
.get_parent = ovl_get_parent,
+ .flags = EXPORT_OP_STABLE_HANDLES,
};

/* encode_fh() encodes non-decodable file handles with nfs_export=off */

--
2.52.0