diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 941f7d0e0bfa..23cc67f29af2 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -310,6 +310,7 @@ static const struct super_operations v9fs_super_ops = {
 	.alloc_inode = v9fs_alloc_inode,
 	.free_inode = v9fs_free_inode,
 	.statfs = simple_statfs,
+	.drop_inode = v9fs_drop_inode,
 	.evict_inode = v9fs_evict_inode,
 	.show_options = v9fs_show_options,
 	.umount_begin = v9fs_umount_begin,