hlist_bl_for_each_entry_rcu
hlist_bl_for_each_entry_rcu(dentry, node, b, d_hash) {
hlist_bl_for_each_entry_rcu(dentry, node, b, d_hash) {
hlist_bl_for_each_entry_rcu(dentry, node, b, d_hash) {
hlist_bl_for_each_entry_rcu(qd, h, &qd_hash_table[hash], qd_hlist) {