162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2007 Oracle. All rights reserved. 462306a36Sopenharmony_ci * Copyright (C) 2014 Fujitsu. All rights reserved. 562306a36Sopenharmony_ci */ 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#ifndef BTRFS_ASYNC_THREAD_H 862306a36Sopenharmony_ci#define BTRFS_ASYNC_THREAD_H 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#include <linux/workqueue.h> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cistruct btrfs_fs_info; 1362306a36Sopenharmony_cistruct btrfs_workqueue; 1462306a36Sopenharmony_cistruct btrfs_work; 1562306a36Sopenharmony_citypedef void (*btrfs_func_t)(struct btrfs_work *arg); 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_cistruct btrfs_work { 1862306a36Sopenharmony_ci btrfs_func_t func; 1962306a36Sopenharmony_ci btrfs_func_t ordered_func; 2062306a36Sopenharmony_ci btrfs_func_t ordered_free; 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci /* Don't touch things below */ 2362306a36Sopenharmony_ci struct work_struct normal_work; 2462306a36Sopenharmony_ci struct list_head ordered_list; 2562306a36Sopenharmony_ci struct btrfs_workqueue *wq; 2662306a36Sopenharmony_ci unsigned long flags; 2762306a36Sopenharmony_ci}; 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_cistruct btrfs_workqueue *btrfs_alloc_workqueue(struct btrfs_fs_info *fs_info, 3062306a36Sopenharmony_ci const char *name, 3162306a36Sopenharmony_ci unsigned int flags, 3262306a36Sopenharmony_ci int limit_active, 3362306a36Sopenharmony_ci int thresh); 3462306a36Sopenharmony_cistruct btrfs_workqueue *btrfs_alloc_ordered_workqueue( 3562306a36Sopenharmony_ci struct btrfs_fs_info *fs_info, const char *name, 3662306a36Sopenharmony_ci unsigned int flags); 3762306a36Sopenharmony_civoid btrfs_init_work(struct btrfs_work *work, btrfs_func_t func, 3862306a36Sopenharmony_ci btrfs_func_t ordered_func, btrfs_func_t ordered_free); 3962306a36Sopenharmony_civoid btrfs_queue_work(struct btrfs_workqueue *wq, 4062306a36Sopenharmony_ci struct btrfs_work *work); 4162306a36Sopenharmony_civoid btrfs_destroy_workqueue(struct btrfs_workqueue *wq); 4262306a36Sopenharmony_civoid btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max); 4362306a36Sopenharmony_cistruct btrfs_fs_info * __pure btrfs_work_owner(const struct btrfs_work *work); 4462306a36Sopenharmony_cistruct btrfs_fs_info * __pure btrfs_workqueue_owner(const struct btrfs_workqueue *wq); 4562306a36Sopenharmony_cibool btrfs_workqueue_normal_congested(const struct btrfs_workqueue *wq); 4662306a36Sopenharmony_civoid btrfs_flush_workqueue(struct btrfs_workqueue *wq); 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_ci#endif 49