/* * 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_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); struct btrfs_workqueue *btrfs_alloc_workqueue(const char *name, int flags, int max_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); #endif