mirror of https://gitee.com/openkylin/linux.git
50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* 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);
|
|
void btrfs_flush_workqueue(struct btrfs_workqueue *wq);
|
|
|
|
#endif
|