162 	struct xlog_ticket	*tic;  in xlog_grant_head_wake_all()  local
165 	list_for_each_entry(tic, &head->waiters, t_queue)  in xlog_grant_head_wake_all()
166 		wake_up_process(tic->t_task);  in xlog_grant_head_wake_all()
174 	struct xlog_ticket	*tic)  in xlog_ticket_reservation()  argument
177 		ASSERT(tic->t_flags & XLOG_TIC_PERM_RESERV);  in xlog_ticket_reservation()
178 		return tic->t_unit_res;  in xlog_ticket_reservation()
180 		if (tic->t_flags & XLOG_TIC_PERM_RESERV)  in xlog_ticket_reservation()
181 			return tic->t_unit_res * tic->t_cnt;  in xlog_ticket_reservation()
183 			return tic->t_unit_res;  in xlog_ticket_reservation()
193 	struct xlog_ticket	*tic;  in xlog_grant_head_wake()  local
197 	list_for_each_entry(tic, &head->waiters, t_queue) {  in xlog_grant_head_wake()
220 		need_bytes = xlog_ticket_reservation(log, head, tic);  in xlog_grant_head_wake()
228 		trace_xfs_log_grant_wake_up(log, tic);  in xlog_grant_head_wake()
229 		wake_up_process(tic->t_task);  in xlog_grant_head_wake()
240 	struct xlog_ticket	*tic,  in xlog_grant_head_wait()  argument
244 	list_add_tail(&tic->t_queue, &head->waiters);  in xlog_grant_head_wait()
256 		trace_xfs_log_grant_sleep(log, tic);  in xlog_grant_head_wait()
258 		trace_xfs_log_grant_wake(log, tic);  in xlog_grant_head_wait()
265 	list_del_init(&tic->t_queue);  in xlog_grant_head_wait()
268 	list_del_init(&tic->t_queue);  in xlog_grant_head_wait()
293 	struct xlog_ticket	*tic,  in xlog_grant_head_check()  argument
307 	*need_bytes = xlog_ticket_reservation(log, head, tic);  in xlog_grant_head_check()
313 			error = xlog_grant_head_wait(log, head, tic,  in xlog_grant_head_check()
319 		error = xlog_grant_head_wait(log, head, tic, *need_bytes);  in xlog_grant_head_check()
327 xlog_tic_reset_res(xlog_ticket_t *tic)  in xlog_tic_reset_res()  argument
329 	tic->t_res_num = 0;  in xlog_tic_reset_res()
330 	tic->t_res_arr_sum = 0;  in xlog_tic_reset_res()
331 	tic->t_res_num_ophdrs = 0;  in xlog_tic_reset_res()
335 xlog_tic_add_region(xlog_ticket_t *tic, uint len, uint type)  in xlog_tic_add_region()  argument
337 	if (tic->t_res_num == XLOG_TIC_LEN_MAX) {  in xlog_tic_add_region()
339 		tic->t_res_o_flow += tic->t_res_arr_sum;  in xlog_tic_add_region()
340 		tic->t_res_num = 0;  in xlog_tic_add_region()
341 		tic->t_res_arr_sum = 0;  in xlog_tic_add_region()
344 	tic->t_res_arr[tic->t_res_num].r_len = len;  in xlog_tic_add_region()
345 	tic->t_res_arr[tic->t_res_num].r_type = type;  in xlog_tic_add_region()
346 	tic->t_res_arr_sum += len;  in xlog_tic_add_region()
347 	tic->t_res_num++;  in xlog_tic_add_region()
375 	struct xlog_ticket	*tic)  in xfs_log_regrant()  argument
392 	tic->t_tid++;  in xfs_log_regrant()
394 	xlog_grant_push_ail(log, tic->t_unit_res);  in xfs_log_regrant()
396 	tic->t_curr_res = tic->t_unit_res;  in xfs_log_regrant()
397 	xlog_tic_reset_res(tic);  in xfs_log_regrant()
399 	if (tic->t_cnt > 0)  in xfs_log_regrant()
402 	trace_xfs_log_regrant(log, tic);  in xfs_log_regrant()
404 	error = xlog_grant_head_check(log, &log->l_write_head, tic,  in xfs_log_regrant()
410 	trace_xfs_log_regrant_exit(log, tic);  in xfs_log_regrant()
420 	tic->t_curr_res = 0;  in xfs_log_regrant()
421 	tic->t_cnt = 0;	/* ungrant will give back unit_res * t_cnt. */  in xfs_log_regrant()
443 	struct xlog_ticket	*tic;  in xfs_log_reserve()  local
455 	tic = xlog_ticket_alloc(log, unit_bytes, cnt, client, permanent);  in xfs_log_reserve()
456 	*ticp = tic;  in xfs_log_reserve()
458 	xlog_grant_push_ail(log, tic->t_cnt ? tic->t_unit_res * tic->t_cnt  in xfs_log_reserve()
459 					    : tic->t_unit_res);  in xfs_log_reserve()
461 	trace_xfs_log_reserve(log, tic);  in xfs_log_reserve()
463 	error = xlog_grant_head_check(log, &log->l_reserve_head, tic,  in xfs_log_reserve()
470 	trace_xfs_log_reserve_exit(log, tic);  in xfs_log_reserve()
480 	tic->t_curr_res = 0;  in xfs_log_reserve()
481 	tic->t_cnt = 0;	/* ungrant will give back unit_res * t_cnt. */  in xfs_log_reserve()
851 	struct xlog_ticket	*tic = NULL;  in xlog_unmount_write()  local
856 	error = xfs_log_reserve(mp, 600, 1, &tic, XFS_LOG, 0);  in xlog_unmount_write()
860 	error = xlog_write_unmount_record(log, tic, &lsn, flags);  in xlog_unmount_write()
880 	if (tic) {  in xlog_unmount_write()
881 		trace_xfs_log_umount_write(log, tic);  in xlog_unmount_write()
882 		xfs_log_ticket_ungrant(log, tic);  in xlog_unmount_write()
3447 	struct xlog_ticket	*tic;  in xlog_ticket_alloc()  local
3450 	tic = kmem_cache_zalloc(xfs_log_ticket_zone, GFP_NOFS | __GFP_NOFAIL);  in xlog_ticket_alloc()
3454 	atomic_set(&tic->t_ref, 1);  in xlog_ticket_alloc()
3455 	tic->t_task		= current;  in xlog_ticket_alloc()
3456 	INIT_LIST_HEAD(&tic->t_queue);  in xlog_ticket_alloc()
3457 	tic->t_unit_res		= unit_res;  in xlog_ticket_alloc()
3458 	tic->t_curr_res		= unit_res;  in xlog_ticket_alloc()
3459 	tic->t_cnt		= cnt;  in xlog_ticket_alloc()
3460 	tic->t_ocnt		= cnt;  in xlog_ticket_alloc()
3461 	tic->t_tid		= prandom_u32();  in xlog_ticket_alloc()
3462 	tic->t_clientid		= client;  in xlog_ticket_alloc()
3464 		tic->t_flags |= XLOG_TIC_PERM_RESERV;  in xlog_ticket_alloc()
3466 	xlog_tic_reset_res(tic);  in xlog_ticket_alloc()
3468 	return tic;  in xlog_ticket_alloc()