184 	struct xlog_ticket	*tic;  in xlog_grant_head_wake_all()  local
187 	list_for_each_entry(tic, &head->waiters, t_queue)  in xlog_grant_head_wake_all()
188 		wake_up_process(tic->t_task);  in xlog_grant_head_wake_all()
196 	struct xlog_ticket	*tic)  in xlog_ticket_reservation()  argument
199 		ASSERT(tic->t_flags & XLOG_TIC_PERM_RESERV);  in xlog_ticket_reservation()
200 		return tic->t_unit_res;  in xlog_ticket_reservation()
202 		if (tic->t_flags & XLOG_TIC_PERM_RESERV)  in xlog_ticket_reservation()
203 			return tic->t_unit_res * tic->t_cnt;  in xlog_ticket_reservation()
205 			return tic->t_unit_res;  in xlog_ticket_reservation()
215 	struct xlog_ticket	*tic;  in xlog_grant_head_wake()  local
219 	list_for_each_entry(tic, &head->waiters, t_queue) {  in xlog_grant_head_wake()
242 		need_bytes = xlog_ticket_reservation(log, head, tic);  in xlog_grant_head_wake()
250 		trace_xfs_log_grant_wake_up(log, tic);  in xlog_grant_head_wake()
251 		wake_up_process(tic->t_task);  in xlog_grant_head_wake()
262 	struct xlog_ticket	*tic,  in xlog_grant_head_wait()  argument
266 	list_add_tail(&tic->t_queue, &head->waiters);  in xlog_grant_head_wait()
278 		trace_xfs_log_grant_sleep(log, tic);  in xlog_grant_head_wait()
280 		trace_xfs_log_grant_wake(log, tic);  in xlog_grant_head_wait()
287 	list_del_init(&tic->t_queue);  in xlog_grant_head_wait()
290 	list_del_init(&tic->t_queue);  in xlog_grant_head_wait()
315 	struct xlog_ticket	*tic,  in xlog_grant_head_check()  argument
329 	*need_bytes = xlog_ticket_reservation(log, head, tic);  in xlog_grant_head_check()
335 			error = xlog_grant_head_wait(log, head, tic,  in xlog_grant_head_check()
341 		error = xlog_grant_head_wait(log, head, tic, *need_bytes);  in xlog_grant_head_check()
349 xlog_tic_reset_res(xlog_ticket_t *tic)  in xlog_tic_reset_res()  argument
351 	tic->t_res_num = 0;  in xlog_tic_reset_res()
352 	tic->t_res_arr_sum = 0;  in xlog_tic_reset_res()
353 	tic->t_res_num_ophdrs = 0;  in xlog_tic_reset_res()
357 xlog_tic_add_region(xlog_ticket_t *tic, uint len, uint type)  in xlog_tic_add_region()  argument
359 	if (tic->t_res_num == XLOG_TIC_LEN_MAX) {  in xlog_tic_add_region()
361 		tic->t_res_o_flow += tic->t_res_arr_sum;  in xlog_tic_add_region()
362 		tic->t_res_num = 0;  in xlog_tic_add_region()
363 		tic->t_res_arr_sum = 0;  in xlog_tic_add_region()
366 	tic->t_res_arr[tic->t_res_num].r_len = len;  in xlog_tic_add_region()
367 	tic->t_res_arr[tic->t_res_num].r_type = type;  in xlog_tic_add_region()
368 	tic->t_res_arr_sum += len;  in xlog_tic_add_region()
369 	tic->t_res_num++;  in xlog_tic_add_region()
378 	struct xlog_ticket	*tic)  in xfs_log_regrant()  argument
395 	tic->t_tid++;  in xfs_log_regrant()
397 	xlog_grant_push_ail(log, tic->t_unit_res);  in xfs_log_regrant()
399 	tic->t_curr_res = tic->t_unit_res;  in xfs_log_regrant()
400 	xlog_tic_reset_res(tic);  in xfs_log_regrant()
402 	if (tic->t_cnt > 0)  in xfs_log_regrant()
405 	trace_xfs_log_regrant(log, tic);  in xfs_log_regrant()
407 	error = xlog_grant_head_check(log, &log->l_write_head, tic,  in xfs_log_regrant()
413 	trace_xfs_log_regrant_exit(log, tic);  in xfs_log_regrant()
423 	tic->t_curr_res = 0;  in xfs_log_regrant()
424 	tic->t_cnt = 0;	/* ungrant will give back unit_res * t_cnt. */  in xfs_log_regrant()
446 	struct xlog_ticket	*tic;  in xfs_log_reserve()  local
458 	tic = xlog_ticket_alloc(log, unit_bytes, cnt, client, permanent, 0);  in xfs_log_reserve()
459 	*ticp = tic;  in xfs_log_reserve()
461 	xlog_grant_push_ail(log, tic->t_cnt ? tic->t_unit_res * tic->t_cnt  in xfs_log_reserve()
462 					    : tic->t_unit_res);  in xfs_log_reserve()
464 	trace_xfs_log_reserve(log, tic);  in xfs_log_reserve()
466 	error = xlog_grant_head_check(log, &log->l_reserve_head, tic,  in xfs_log_reserve()
473 	trace_xfs_log_reserve_exit(log, tic);  in xfs_log_reserve()
483 	tic->t_curr_res = 0;  in xfs_log_reserve()
484 	tic->t_cnt = 0;	/* ungrant will give back unit_res * t_cnt. */  in xfs_log_reserve()
831 	struct xlog_ticket	*tic = NULL;  in xfs_log_write_unmount_record()  local
836 	error = xfs_log_reserve(mp, 600, 1, &tic, XFS_LOG, 0);  in xfs_log_write_unmount_record()
854 	tic->t_flags = 0;  in xfs_log_write_unmount_record()
855 	tic->t_curr_res -= sizeof(magic);  in xfs_log_write_unmount_record()
856 	error = xlog_write(log, &vec, tic, &lsn, NULL, flags);  in xfs_log_write_unmount_record()
886 	if (tic) {  in xfs_log_write_unmount_record()
887 		trace_xfs_log_umount_write(log, tic);  in xfs_log_write_unmount_record()
888 		xlog_ungrant_log_space(log, tic);  in xfs_log_write_unmount_record()
889 		xfs_log_ticket_put(tic);  in xfs_log_write_unmount_record()
3663 	struct xlog_ticket	*tic;  in xlog_ticket_alloc()  local
3666 	tic = kmem_zone_zalloc(xfs_log_ticket_zone, alloc_flags);  in xlog_ticket_alloc()
3667 	if (!tic)  in xlog_ticket_alloc()
3672 	atomic_set(&tic->t_ref, 1);  in xlog_ticket_alloc()
3673 	tic->t_task		= current;  in xlog_ticket_alloc()
3674 	INIT_LIST_HEAD(&tic->t_queue);  in xlog_ticket_alloc()
3675 	tic->t_unit_res		= unit_res;  in xlog_ticket_alloc()
3676 	tic->t_curr_res		= unit_res;  in xlog_ticket_alloc()
3677 	tic->t_cnt		= cnt;  in xlog_ticket_alloc()
3678 	tic->t_ocnt		= cnt;  in xlog_ticket_alloc()
3679 	tic->t_tid		= prandom_u32();  in xlog_ticket_alloc()
3680 	tic->t_clientid		= client;  in xlog_ticket_alloc()
3681 	tic->t_flags		= XLOG_TIC_INITED;  in xlog_ticket_alloc()
3683 		tic->t_flags |= XLOG_TIC_PERM_RESERV;  in xlog_ticket_alloc()
3685 	xlog_tic_reset_res(tic);  in xlog_ticket_alloc()
3687 	return tic;  in xlog_ticket_alloc()