gfs2: Use rhashtable walk interface in glock_hash_walk

 * @sdp: the filesystem

 * @bucket: the bucket

 *

 * Note that the function can be called multiple times on the same

 * object.  So the user must ensure that the function can cope with

 * that.

 */

static void glock_hash_walk(glock_examiner examiner, const struct gfs2_sbd *sdp)

{

	struct gfs2_glock *gl;

	struct rhash_head *pos;

	const struct bucket_table *tbl;

	int i;

	struct rhashtable_iter iter;

	rcu_read_lock();

	tbl = rht_dereference_rcu(gl_hash_table.tbl, &gl_hash_table);

	for (i = 0; i < tbl->size; i++) {

		rht_for_each_entry_rcu(gl, pos, tbl, i, gl_node) {

	rhashtable_walk_enter(&gl_hash_table, &iter);

	do {

		gl = ERR_PTR(rhashtable_walk_start(&iter));

		if (gl)

			continue;

		while ((gl = rhashtable_walk_next(&iter)) && !IS_ERR(gl))

			if ((gl->gl_name.ln_sbd == sdp) &&

			    lockref_get_not_dead(&gl->gl_lockref))

				examiner(gl);

		}

	}

	rcu_read_unlock();

	cond_resched();

		rhashtable_walk_stop(&iter);

	} while (cond_resched(), gl == ERR_PTR(-EAGAIN));

	rhashtable_walk_exit(&iter);

}

/**