1 /* 2 * Copyright (C) 2007 Oracle. All rights reserved. 3 * Copyright (C) 2014 Fujitsu. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public 7 * License v2 as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public 15 * License along with this program; if not, write to the 16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 17 * Boston, MA 021110-1307, USA. 18 */ 19 20 #ifndef __BTRFS_ASYNC_THREAD_ 21 #define __BTRFS_ASYNC_THREAD_ 22 23 struct btrfs_workqueue; 24 /* Internal use only */ 25 struct __btrfs_workqueue; 26 struct btrfs_work; 27 typedef void (*btrfs_func_t)(struct btrfs_work *arg); 28 29 struct btrfs_work { 30 btrfs_func_t func; 31 btrfs_func_t ordered_func; 32 btrfs_func_t ordered_free; 33 34 /* Don't touch things below */ 35 struct work_struct normal_work; 36 struct list_head ordered_list; 37 struct __btrfs_workqueue *wq; 38 unsigned long flags; 39 }; 40 41 struct btrfs_workqueue *btrfs_alloc_workqueue(const char *name, 42 int flags, 43 int max_active, 44 int thresh); 45 void btrfs_init_work(struct btrfs_work *work, 46 btrfs_func_t func, 47 btrfs_func_t ordered_func, 48 btrfs_func_t ordered_free); 49 void btrfs_queue_work(struct btrfs_workqueue *wq, 50 struct btrfs_work *work); 51 void btrfs_destroy_workqueue(struct btrfs_workqueue *wq); 52 void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max); 53 void btrfs_set_work_high_priority(struct btrfs_work *work); 54 #endif 55