-/**
- * wb_clone_and_queue_work - clone a wb_writeback_work and issue it to a wb
- * @wb: target bdi_writeback
- * @base_work: source wb_writeback_work
- *
- * Try to make a clone of @base_work and issue it to @wb. If cloning
- * succeeds, %true is returned; otherwise, @base_work is issued directly
- * and %false is returned. In the latter case, the caller is required to
- * wait for @base_work's completion using wb_wait_for_single_work().
- *
- * A clone is auto-freed on completion. @base_work never is.
- */
-static bool wb_clone_and_queue_work(struct bdi_writeback *wb,
- struct wb_writeback_work *base_work)
-{
- struct wb_writeback_work *work;
-
- work = kmalloc(sizeof(*work), GFP_ATOMIC);
- if (work) {
- *work = *base_work;
- work->auto_free = 1;
- work->single_wait = 0;
- } else {
- work = base_work;
- work->auto_free = 0;
- work->single_wait = 1;
- }
- work->single_done = 0;
- wb_queue_work(wb, work);
- return work != base_work;
-}
-