- wake_up_process(worker->task);
-}
-
-/*
- * Note: drops the wqe->lock if returning true! The caller must re-acquire
- * the lock in that case. Some callers need to restart handling if this
- * happens, so we can't just re-acquire the lock on behalf of the caller.
- */
-static bool __io_worker_unuse(struct io_wqe *wqe, struct io_worker *worker)
-{
- bool dropped_lock = false;
-
- if (worker->saved_creds) {
- revert_creds(worker->saved_creds);
- worker->cur_creds = worker->saved_creds = NULL;
- }
-
- if (current->files) {
- __acquire(&wqe->lock);
- raw_spin_unlock_irq(&wqe->lock);
- dropped_lock = true;
-
- task_lock(current);
- current->files = NULL;
- current->nsproxy = worker->restore_nsproxy;
- task_unlock(current);
- }
-
- if (current->fs)
- current->fs = NULL;
-
- /*
- * If we have an active mm, we need to drop the wq lock before unusing
- * it. If we do, return true and let the caller retry the idle loop.
- */
- if (worker->mm) {
- if (!dropped_lock) {
- __acquire(&wqe->lock);
- raw_spin_unlock_irq(&wqe->lock);
- dropped_lock = true;
- }
- __set_current_state(TASK_RUNNING);
- kthread_unuse_mm(worker->mm);
- mmput(worker->mm);
- worker->mm = NULL;
- }
-
-#ifdef CONFIG_BLK_CGROUP
- if (worker->blkcg_css) {
- kthread_associate_blkcg(NULL);
- worker->blkcg_css = NULL;
- }
-#endif
- if (current->signal->rlim[RLIMIT_FSIZE].rlim_cur != RLIM_INFINITY)
- current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY;
- return dropped_lock;