diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 0b78507eccb0..88bc68ddd313 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -913,7 +913,7 @@ static int __choose_mds(struct ceph_mds_client *mdsc, struct inode *dir; rcu_read_lock(); - parent = req->r_dentry->d_parent; + parent = READ_ONCE(req->r_dentry->d_parent); dir = req->r_parent ? : d_inode_rcu(parent); if (!dir || dir->i_sb != mdsc->fsc->sb) { @@ -2145,7 +2145,7 @@ retry: memcpy(path + pos, temp->d_name.name, temp->d_name.len); } spin_unlock(&temp->d_lock); - temp = temp->d_parent; + temp = READ_ONCE(temp->d_parent); /* Are we at the root? */ if (IS_ROOT(temp))