4760 	struct reserve_ticket *ticket = NULL;  in may_commit_transaction()  local
4771 		ticket = list_first_entry(&space_info->priority_tickets,  in may_commit_transaction()
4774 		ticket = list_first_entry(&space_info->tickets,  in may_commit_transaction()
4776 	bytes = (ticket) ? ticket->bytes : 0;  in may_commit_transaction()
4882 	struct reserve_ticket *ticket;  in btrfs_calc_reclaim_metadata_size()  local
4887 	list_for_each_entry(ticket, &space_info->tickets, list)  in btrfs_calc_reclaim_metadata_size()
4888 		to_reclaim += ticket->bytes;  in btrfs_calc_reclaim_metadata_size()
4889 	list_for_each_entry(ticket, &space_info->priority_tickets, list)  in btrfs_calc_reclaim_metadata_size()
4890 		to_reclaim += ticket->bytes;  in btrfs_calc_reclaim_metadata_size()
4936 	struct reserve_ticket *ticket;  in wake_all_tickets()  local
4939 		ticket = list_first_entry(head, struct reserve_ticket, list);  in wake_all_tickets()
4940 		list_del_init(&ticket->list);  in wake_all_tickets()
4941 		ticket->error = -ENOSPC;  in wake_all_tickets()
4942 		wake_up(&ticket->wait);  in wake_all_tickets()
5015 					    struct reserve_ticket *ticket)  in priority_reclaim_metadata_space()  argument
5033 		if (ticket->bytes == 0) {  in priority_reclaim_metadata_space()
5051 			       struct reserve_ticket *ticket, u64 orig_bytes)  in wait_reserve_ticket()  argument
5058 	while (ticket->bytes > 0 && ticket->error == 0) {  in wait_reserve_ticket()
5059 		ret = prepare_to_wait_event(&ticket->wait, &wait, TASK_KILLABLE);  in wait_reserve_ticket()
5068 		finish_wait(&ticket->wait, &wait);  in wait_reserve_ticket()
5072 		ret = ticket->error;  in wait_reserve_ticket()
5073 	if (!list_empty(&ticket->list))  in wait_reserve_ticket()
5074 		list_del_init(&ticket->list);  in wait_reserve_ticket()
5075 	if (ticket->bytes && ticket->bytes < orig_bytes) {  in wait_reserve_ticket()
5076 		u64 num_bytes = orig_bytes - ticket->bytes;  in wait_reserve_ticket()
5106 	struct reserve_ticket ticket;  in __reserve_metadata_bytes()  local
5143 		ticket.bytes = orig_bytes;  in __reserve_metadata_bytes()
5144 		ticket.error = 0;  in __reserve_metadata_bytes()
5145 		init_waitqueue_head(&ticket.wait);  in __reserve_metadata_bytes()
5147 			list_add_tail(&ticket.list, &space_info->tickets);  in __reserve_metadata_bytes()
5158 			list_add_tail(&ticket.list,  in __reserve_metadata_bytes()
5183 		return wait_reserve_ticket(fs_info, space_info, &ticket,  in __reserve_metadata_bytes()
5187 	priority_reclaim_metadata_space(fs_info, space_info, &ticket);  in __reserve_metadata_bytes()
5189 	if (ticket.bytes) {  in __reserve_metadata_bytes()
5190 		if (ticket.bytes < orig_bytes) {  in __reserve_metadata_bytes()
5191 			u64 num_bytes = orig_bytes - ticket.bytes;  in __reserve_metadata_bytes()
5198 		list_del_init(&ticket.list);  in __reserve_metadata_bytes()
5202 	ASSERT(list_empty(&ticket.list));  in __reserve_metadata_bytes()
5331 	struct reserve_ticket *ticket;  in space_info_add_old_bytes()  local
5350 		ticket = list_first_entry(head, struct reserve_ticket,  in space_info_add_old_bytes()
5359 		if (num_bytes >= ticket->bytes) {  in space_info_add_old_bytes()
5360 			list_del_init(&ticket->list);  in space_info_add_old_bytes()
5361 			num_bytes -= ticket->bytes;  in space_info_add_old_bytes()
5362 			ticket->bytes = 0;  in space_info_add_old_bytes()
5364 			wake_up(&ticket->wait);  in space_info_add_old_bytes()
5366 			ticket->bytes -= num_bytes;  in space_info_add_old_bytes()
5391 	struct reserve_ticket *ticket;  in space_info_add_new_bytes()  local
5396 		ticket = list_first_entry(head, struct reserve_ticket,  in space_info_add_new_bytes()
5398 		if (num_bytes >= ticket->bytes) {  in space_info_add_new_bytes()
5401 						      ticket->bytes, 1);  in space_info_add_new_bytes()
5402 			list_del_init(&ticket->list);  in space_info_add_new_bytes()
5403 			num_bytes -= ticket->bytes;  in space_info_add_new_bytes()
5404 			space_info->bytes_may_use += ticket->bytes;  in space_info_add_new_bytes()
5405 			ticket->bytes = 0;  in space_info_add_new_bytes()
5407 			wake_up(&ticket->wait);  in space_info_add_new_bytes()
5413 			ticket->bytes -= num_bytes;  in space_info_add_new_bytes()