Cregit: Linux 5.6: async-thread.h

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Qu Wenruo	137	65.87%	7	46.67%
Jeff Mahoney	33	15.87%	2	13.33%
Liu Bo	16	7.69%	1	6.67%
Maxim Patlasov	9	4.33%	1	6.67%
David Sterba	7	3.37%	3	20.00%
Chris Mason	6	2.88%	1	6.67%
Total	208		15

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2007 Oracle.  All rights reserved.
 * Copyright (C) 2014 Fujitsu.  All rights reserved.
 */

#ifndef BTRFS_ASYNC_THREAD_H
#define BTRFS_ASYNC_THREAD_H

#include <linux/workqueue.h>

struct btrfs_fs_info;
struct btrfs_workqueue;
/* Internal use only */
struct __btrfs_workqueue;
struct btrfs_work;
typedef void (*btrfs_func_t)(struct btrfs_work *arg);
typedef void (*btrfs_work_func_t)(struct work_struct *arg);

struct btrfs_work {
	btrfs_func_t func;
	btrfs_func_t ordered_func;
	btrfs_func_t ordered_free;

	/* Don't touch things below */
	struct work_struct normal_work;
	struct list_head ordered_list;
	struct __btrfs_workqueue *wq;
	unsigned long flags;
};

struct btrfs_workqueue *btrfs_alloc_workqueue(struct btrfs_fs_info *fs_info,
					      const char *name,
					      unsigned int flags,
					      int limit_active,
					      int thresh);
void btrfs_init_work(struct btrfs_work *work, btrfs_func_t func,
		     btrfs_func_t ordered_func, btrfs_func_t ordered_free);
void btrfs_queue_work(struct btrfs_workqueue *wq,
		      struct btrfs_work *work);
void btrfs_destroy_workqueue(struct btrfs_workqueue *wq);
void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max);
void btrfs_set_work_high_priority(struct btrfs_work *work);
struct btrfs_fs_info * __pure btrfs_work_owner(const struct btrfs_work *work);
struct btrfs_fs_info * __pure btrfs_workqueue_owner(const struct __btrfs_workqueue *wq);
bool btrfs_workqueue_normal_congested(const struct btrfs_workqueue *wq);

#endif