libceph: use list_next_entry instead of list_entry_next

#include <linux/ceph/pagelist.h>

#include <linux/export.h>

#define list_entry_next(pos, member)					\

	list_entry(pos->member.next, typeof(*pos), member)

/*

 * Ceph uses the messenger to exchange ceph_msg messages with other

 * hosts in the system.  The messenger provides ordered and reliable

	/* Move on to the next page */

	BUG_ON(list_is_last(&cursor->page->lru, &pagelist->head));

	cursor->page = list_entry_next(cursor->page, lru);

	cursor->page = list_next_entry(cursor->page, lru);

	cursor->last_piece = cursor->resid <= PAGE_SIZE;

	return true;

	if (!cursor->resid && cursor->total_resid) {

		WARN_ON(!cursor->last_piece);

		BUG_ON(list_is_last(&cursor->data->links, cursor->data_head));

		cursor->data = list_entry_next(cursor->data, links);

		cursor->data = list_next_entry(cursor->data, links);

		__ceph_msg_data_cursor_init(cursor);

		new_piece = true;

	}