| /* |
| * Copyright (C) 2007 Oracle. All rights reserved. |
| * Copyright (C) 2014 Fujitsu. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public |
| * License v2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public |
| * License along with this program; if not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 021110-1307, USA. |
| */ |
| |
| #ifndef __BTRFS_ASYNC_THREAD_ |
| #define __BTRFS_ASYNC_THREAD_ |
| #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; |
| }; |
| |
| #define BTRFS_WORK_HELPER_PROTO(name) \ |
| void btrfs_##name(struct work_struct *arg) |
| |
| BTRFS_WORK_HELPER_PROTO(worker_helper); |
| BTRFS_WORK_HELPER_PROTO(delalloc_helper); |
| BTRFS_WORK_HELPER_PROTO(flush_delalloc_helper); |
| BTRFS_WORK_HELPER_PROTO(cache_helper); |
| BTRFS_WORK_HELPER_PROTO(submit_helper); |
| BTRFS_WORK_HELPER_PROTO(fixup_helper); |
| BTRFS_WORK_HELPER_PROTO(endio_helper); |
| BTRFS_WORK_HELPER_PROTO(endio_meta_helper); |
| BTRFS_WORK_HELPER_PROTO(endio_meta_write_helper); |
| BTRFS_WORK_HELPER_PROTO(endio_raid56_helper); |
| BTRFS_WORK_HELPER_PROTO(endio_repair_helper); |
| BTRFS_WORK_HELPER_PROTO(rmw_helper); |
| BTRFS_WORK_HELPER_PROTO(endio_write_helper); |
| BTRFS_WORK_HELPER_PROTO(freespace_write_helper); |
| BTRFS_WORK_HELPER_PROTO(delayed_meta_helper); |
| BTRFS_WORK_HELPER_PROTO(readahead_helper); |
| BTRFS_WORK_HELPER_PROTO(qgroup_rescan_helper); |
| BTRFS_WORK_HELPER_PROTO(extent_refs_helper); |
| BTRFS_WORK_HELPER_PROTO(scrub_helper); |
| BTRFS_WORK_HELPER_PROTO(scrubwrc_helper); |
| BTRFS_WORK_HELPER_PROTO(scrubnc_helper); |
| BTRFS_WORK_HELPER_PROTO(scrubparity_helper); |
| |
| |
| 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_work_func_t helper, |
| 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 *btrfs_work_owner(struct btrfs_work *work); |
| struct btrfs_fs_info *btrfs_workqueue_owner(struct __btrfs_workqueue *wq); |
| bool btrfs_workqueue_normal_congested(struct btrfs_workqueue *wq); |
| #endif |