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https://github.com/kdave/btrfs-progs
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49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2007 Oracle. All rights reserved.
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* Copyright (C) 2014 Fujitsu. All rights reserved.
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*/
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#ifndef BTRFS_ASYNC_THREAD_H
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#define BTRFS_ASYNC_THREAD_H
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#include "kerncompat.h"
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#include <stdbool.h>
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#include "kernel-lib/list.h"
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#include "kernel-lib/bitops.h"
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struct btrfs_fs_info;
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struct btrfs_workqueue;
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struct btrfs_work;
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typedef void (*btrfs_func_t)(struct btrfs_work *arg);
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struct btrfs_work {
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btrfs_func_t func;
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btrfs_func_t ordered_func;
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btrfs_func_t ordered_free;
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/* Don't touch things below */
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struct work_struct normal_work;
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struct list_head ordered_list;
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struct btrfs_workqueue *wq;
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unsigned long flags;
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};
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struct btrfs_workqueue *btrfs_alloc_workqueue(struct btrfs_fs_info *fs_info,
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const char *name,
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unsigned int flags,
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int limit_active,
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int thresh);
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void btrfs_init_work(struct btrfs_work *work, btrfs_func_t func,
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btrfs_func_t ordered_func, btrfs_func_t ordered_free);
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void btrfs_queue_work(struct btrfs_workqueue *wq,
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struct btrfs_work *work);
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void btrfs_destroy_workqueue(struct btrfs_workqueue *wq);
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void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max);
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struct btrfs_fs_info * __pure btrfs_work_owner(const struct btrfs_work *work);
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struct btrfs_fs_info * __pure btrfs_workqueue_owner(const struct btrfs_workqueue *wq);
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bool btrfs_workqueue_normal_congested(const struct btrfs_workqueue *wq);
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void btrfs_flush_workqueue(struct btrfs_workqueue *wq);
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#endif
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