Set simple_dentry_operations as the superblock dentry ops, so all tmpfs
dentries can inherit it.

Signed-off-by: André Almeida <andrealmeid@igalia.com>
---
 mm/shmem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/shmem.c b/mm/shmem.c
index 4f11b55063631976af81e4221c7366b768db6690..162d68784309bdfb8772aa9ba3ccc360780395fd 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -4662,6 +4662,8 @@ static int shmem_fill_super(struct super_block *sb, struct fs_context *fc)
 	}
 	sb->s_export_op = &shmem_export_ops;
 	sb->s_flags |= SB_NOSEC | SB_I_VERSION;
+
+	sb->s_d_op = &simple_dentry_operations;
 #else
 	sb->s_flags |= SB_NOUSER;
 #endif

-- 
2.47.0