206 	struct xlog_ticket	*tic;  in xlog_grant_head_wake_all()  local
209 	list_for_each_entry(tic, &head->waiters, t_queue)  in xlog_grant_head_wake_all()
210 		wake_up_process(tic->t_task);  in xlog_grant_head_wake_all()
218 	struct xlog_ticket	*tic)  in xlog_ticket_reservation()  argument
221 		ASSERT(tic->t_flags & XLOG_TIC_PERM_RESERV);  in xlog_ticket_reservation()
222 		return tic->t_unit_res;  in xlog_ticket_reservation()
224 		if (tic->t_flags & XLOG_TIC_PERM_RESERV)  in xlog_ticket_reservation()
225 			return tic->t_unit_res * tic->t_cnt;  in xlog_ticket_reservation()
227 			return tic->t_unit_res;  in xlog_ticket_reservation()
237 	struct xlog_ticket	*tic;  in xlog_grant_head_wake()  local
240 	list_for_each_entry(tic, &head->waiters, t_queue) {  in xlog_grant_head_wake()
241 		need_bytes = xlog_ticket_reservation(log, head, tic);  in xlog_grant_head_wake()
246 		trace_xfs_log_grant_wake_up(log, tic);  in xlog_grant_head_wake()
247 		wake_up_process(tic->t_task);  in xlog_grant_head_wake()
257 	struct xlog_ticket	*tic,  in xlog_grant_head_wait()  argument
261 	list_add_tail(&tic->t_queue, &head->waiters);  in xlog_grant_head_wait()
273 		trace_xfs_log_grant_sleep(log, tic);  in xlog_grant_head_wait()
275 		trace_xfs_log_grant_wake(log, tic);  in xlog_grant_head_wait()
282 	list_del_init(&tic->t_queue);  in xlog_grant_head_wait()
285 	list_del_init(&tic->t_queue);  in xlog_grant_head_wait()
310 	struct xlog_ticket	*tic,  in xlog_grant_head_check()  argument
324 	*need_bytes = xlog_ticket_reservation(log, head, tic);  in xlog_grant_head_check()
330 			error = xlog_grant_head_wait(log, head, tic,  in xlog_grant_head_check()
336 		error = xlog_grant_head_wait(log, head, tic, *need_bytes);  in xlog_grant_head_check()
344 xlog_tic_reset_res(xlog_ticket_t *tic)  in xlog_tic_reset_res()  argument
346 	tic->t_res_num = 0;  in xlog_tic_reset_res()
347 	tic->t_res_arr_sum = 0;  in xlog_tic_reset_res()
348 	tic->t_res_num_ophdrs = 0;  in xlog_tic_reset_res()
352 xlog_tic_add_region(xlog_ticket_t *tic, uint len, uint type)  in xlog_tic_add_region()  argument
354 	if (tic->t_res_num == XLOG_TIC_LEN_MAX) {  in xlog_tic_add_region()
356 		tic->t_res_o_flow += tic->t_res_arr_sum;  in xlog_tic_add_region()
357 		tic->t_res_num = 0;  in xlog_tic_add_region()
358 		tic->t_res_arr_sum = 0;  in xlog_tic_add_region()
361 	tic->t_res_arr[tic->t_res_num].r_len = len;  in xlog_tic_add_region()
362 	tic->t_res_arr[tic->t_res_num].r_type = type;  in xlog_tic_add_region()
363 	tic->t_res_arr_sum += len;  in xlog_tic_add_region()
364 	tic->t_res_num++;  in xlog_tic_add_region()
373 	struct xlog_ticket	*tic)  in xfs_log_regrant()  argument
390 	tic->t_tid++;  in xfs_log_regrant()
392 	xlog_grant_push_ail(log, tic->t_unit_res);  in xfs_log_regrant()
394 	tic->t_curr_res = tic->t_unit_res;  in xfs_log_regrant()
395 	xlog_tic_reset_res(tic);  in xfs_log_regrant()
397 	if (tic->t_cnt > 0)  in xfs_log_regrant()
400 	trace_xfs_log_regrant(log, tic);  in xfs_log_regrant()
402 	error = xlog_grant_head_check(log, &log->l_write_head, tic,  in xfs_log_regrant()
408 	trace_xfs_log_regrant_exit(log, tic);  in xfs_log_regrant()
418 	tic->t_curr_res = 0;  in xfs_log_regrant()
419 	tic->t_cnt = 0;	/* ungrant will give back unit_res * t_cnt. */  in xfs_log_regrant()
442 	struct xlog_ticket	*tic;  in xfs_log_reserve()  local
454 	tic = xlog_ticket_alloc(log, unit_bytes, cnt, client, permanent,  in xfs_log_reserve()
456 	if (!tic)  in xfs_log_reserve()
459 	tic->t_trans_type = t_type;  in xfs_log_reserve()
460 	*ticp = tic;  in xfs_log_reserve()
462 	xlog_grant_push_ail(log, tic->t_cnt ? tic->t_unit_res * tic->t_cnt  in xfs_log_reserve()
463 					    : tic->t_unit_res);  in xfs_log_reserve()
465 	trace_xfs_log_reserve(log, tic);  in xfs_log_reserve()
467 	error = xlog_grant_head_check(log, &log->l_reserve_head, tic,  in xfs_log_reserve()
474 	trace_xfs_log_reserve_exit(log, tic);  in xfs_log_reserve()
484 	tic->t_curr_res = 0;  in xfs_log_reserve()
485 	tic->t_cnt = 0;	/* ungrant will give back unit_res * t_cnt. */  in xfs_log_reserve()
786 	xlog_ticket_t	*tic = NULL;  in xfs_log_unmount_write()  local
811 		error = xfs_log_reserve(mp, 600, 1, &tic,  in xfs_log_unmount_write()
833 			tic->t_flags = 0;  in xfs_log_unmount_write()
834 			tic->t_curr_res -= sizeof(magic);  in xfs_log_unmount_write()
835 			error = xlog_write(log, &vec, tic, &lsn,  in xfs_log_unmount_write()
867 		if (tic) {  in xfs_log_unmount_write()
868 			trace_xfs_log_umount_write(log, tic);  in xfs_log_unmount_write()
869 			xlog_ungrant_log_space(log, tic);  in xfs_log_unmount_write()
870 			xfs_log_ticket_put(tic);  in xfs_log_unmount_write()
3623 	struct xlog_ticket	*tic;  in xlog_ticket_alloc()  local
3626 	tic = kmem_zone_zalloc(xfs_log_ticket_zone, alloc_flags);  in xlog_ticket_alloc()
3627 	if (!tic)  in xlog_ticket_alloc()
3632 	atomic_set(&tic->t_ref, 1);  in xlog_ticket_alloc()
3633 	tic->t_task		= current;  in xlog_ticket_alloc()
3634 	INIT_LIST_HEAD(&tic->t_queue);  in xlog_ticket_alloc()
3635 	tic->t_unit_res		= unit_res;  in xlog_ticket_alloc()
3636 	tic->t_curr_res		= unit_res;  in xlog_ticket_alloc()
3637 	tic->t_cnt		= cnt;  in xlog_ticket_alloc()
3638 	tic->t_ocnt		= cnt;  in xlog_ticket_alloc()
3639 	tic->t_tid		= prandom_u32();  in xlog_ticket_alloc()
3640 	tic->t_clientid		= client;  in xlog_ticket_alloc()
3641 	tic->t_flags		= XLOG_TIC_INITED;  in xlog_ticket_alloc()
3642 	tic->t_trans_type	= 0;  in xlog_ticket_alloc()
3644 		tic->t_flags |= XLOG_TIC_PERM_RESERV;  in xlog_ticket_alloc()
3646 	xlog_tic_reset_res(tic);  in xlog_ticket_alloc()
3648 	return tic;  in xlog_ticket_alloc()