161 	struct xlog_ticket	*tic;  in xlog_grant_head_wake_all()  local
164 	list_for_each_entry(tic, &head->waiters, t_queue)  in xlog_grant_head_wake_all()
165 		wake_up_process(tic->t_task);  in xlog_grant_head_wake_all()
173 	struct xlog_ticket	*tic)  in xlog_ticket_reservation()  argument
176 		ASSERT(tic->t_flags & XLOG_TIC_PERM_RESERV);  in xlog_ticket_reservation()
177 		return tic->t_unit_res;  in xlog_ticket_reservation()
179 		if (tic->t_flags & XLOG_TIC_PERM_RESERV)  in xlog_ticket_reservation()
180 			return tic->t_unit_res * tic->t_cnt;  in xlog_ticket_reservation()
182 			return tic->t_unit_res;  in xlog_ticket_reservation()
192 	struct xlog_ticket	*tic;  in xlog_grant_head_wake()  local
196 	list_for_each_entry(tic, &head->waiters, t_queue) {  in xlog_grant_head_wake()
219 		need_bytes = xlog_ticket_reservation(log, head, tic);  in xlog_grant_head_wake()
227 		trace_xfs_log_grant_wake_up(log, tic);  in xlog_grant_head_wake()
228 		wake_up_process(tic->t_task);  in xlog_grant_head_wake()
239 	struct xlog_ticket	*tic,  in xlog_grant_head_wait()  argument
243 	list_add_tail(&tic->t_queue, &head->waiters);  in xlog_grant_head_wait()
255 		trace_xfs_log_grant_sleep(log, tic);  in xlog_grant_head_wait()
257 		trace_xfs_log_grant_wake(log, tic);  in xlog_grant_head_wait()
264 	list_del_init(&tic->t_queue);  in xlog_grant_head_wait()
267 	list_del_init(&tic->t_queue);  in xlog_grant_head_wait()
292 	struct xlog_ticket	*tic,  in xlog_grant_head_check()  argument
306 	*need_bytes = xlog_ticket_reservation(log, head, tic);  in xlog_grant_head_check()
312 			error = xlog_grant_head_wait(log, head, tic,  in xlog_grant_head_check()
318 		error = xlog_grant_head_wait(log, head, tic, *need_bytes);  in xlog_grant_head_check()
326 xlog_tic_reset_res(xlog_ticket_t *tic)  in xlog_tic_reset_res()  argument
328 	tic->t_res_num = 0;  in xlog_tic_reset_res()
329 	tic->t_res_arr_sum = 0;  in xlog_tic_reset_res()
330 	tic->t_res_num_ophdrs = 0;  in xlog_tic_reset_res()
334 xlog_tic_add_region(xlog_ticket_t *tic, uint len, uint type)  in xlog_tic_add_region()  argument
336 	if (tic->t_res_num == XLOG_TIC_LEN_MAX) {  in xlog_tic_add_region()
338 		tic->t_res_o_flow += tic->t_res_arr_sum;  in xlog_tic_add_region()
339 		tic->t_res_num = 0;  in xlog_tic_add_region()
340 		tic->t_res_arr_sum = 0;  in xlog_tic_add_region()
343 	tic->t_res_arr[tic->t_res_num].r_len = len;  in xlog_tic_add_region()
344 	tic->t_res_arr[tic->t_res_num].r_type = type;  in xlog_tic_add_region()
345 	tic->t_res_arr_sum += len;  in xlog_tic_add_region()
346 	tic->t_res_num++;  in xlog_tic_add_region()
376 	struct xlog_ticket	*tic)  in xfs_log_regrant()  argument
393 	tic->t_tid++;  in xfs_log_regrant()
395 	xlog_grant_push_ail(log, tic->t_unit_res);  in xfs_log_regrant()
397 	tic->t_curr_res = tic->t_unit_res;  in xfs_log_regrant()
398 	xlog_tic_reset_res(tic);  in xfs_log_regrant()
400 	if (tic->t_cnt > 0)  in xfs_log_regrant()
403 	trace_xfs_log_regrant(log, tic);  in xfs_log_regrant()
405 	error = xlog_grant_head_check(log, &log->l_write_head, tic,  in xfs_log_regrant()
411 	trace_xfs_log_regrant_exit(log, tic);  in xfs_log_regrant()
421 	tic->t_curr_res = 0;  in xfs_log_regrant()
422 	tic->t_cnt = 0;	/* ungrant will give back unit_res * t_cnt. */  in xfs_log_regrant()
444 	struct xlog_ticket	*tic;  in xfs_log_reserve()  local
456 	tic = xlog_ticket_alloc(log, unit_bytes, cnt, client, permanent);  in xfs_log_reserve()
457 	*ticp = tic;  in xfs_log_reserve()
459 	xlog_grant_push_ail(log, tic->t_cnt ? tic->t_unit_res * tic->t_cnt  in xfs_log_reserve()
460 					    : tic->t_unit_res);  in xfs_log_reserve()
462 	trace_xfs_log_reserve(log, tic);  in xfs_log_reserve()
464 	error = xlog_grant_head_check(log, &log->l_reserve_head, tic,  in xfs_log_reserve()
471 	trace_xfs_log_reserve_exit(log, tic);  in xfs_log_reserve()
481 	tic->t_curr_res = 0;  in xfs_log_reserve()
482 	tic->t_cnt = 0;	/* ungrant will give back unit_res * t_cnt. */  in xfs_log_reserve()
947 	struct xlog_ticket	*tic = NULL;  in xlog_unmount_write()  local
950 	error = xfs_log_reserve(mp, 600, 1, &tic, XFS_LOG, 0);  in xlog_unmount_write()
954 	error = xlog_write_unmount_record(log, tic);  in xlog_unmount_write()
968 	if (tic) {  in xlog_unmount_write()
969 		trace_xfs_log_umount_write(log, tic);  in xlog_unmount_write()
970 		xfs_log_ticket_ungrant(log, tic);  in xlog_unmount_write()
3611 	struct xlog_ticket	*tic;  in xlog_ticket_alloc()  local
3614 	tic = kmem_cache_zalloc(xfs_log_ticket_zone, GFP_NOFS | __GFP_NOFAIL);  in xlog_ticket_alloc()
3618 	atomic_set(&tic->t_ref, 1);  in xlog_ticket_alloc()
3619 	tic->t_task		= current;  in xlog_ticket_alloc()
3620 	INIT_LIST_HEAD(&tic->t_queue);  in xlog_ticket_alloc()
3621 	tic->t_unit_res		= unit_res;  in xlog_ticket_alloc()
3622 	tic->t_curr_res		= unit_res;  in xlog_ticket_alloc()
3623 	tic->t_cnt		= cnt;  in xlog_ticket_alloc()
3624 	tic->t_ocnt		= cnt;  in xlog_ticket_alloc()
3625 	tic->t_tid		= prandom_u32();  in xlog_ticket_alloc()
3626 	tic->t_clientid		= client;  in xlog_ticket_alloc()
3628 		tic->t_flags |= XLOG_TIC_PERM_RESERV;  in xlog_ticket_alloc()
3630 	xlog_tic_reset_res(tic);  in xlog_ticket_alloc()
3632 	return tic;  in xlog_ticket_alloc()