959 				struct discard_policy *dpolicy,  in __init_discard_policy()  argument
963 	dpolicy->type = discard_type;  in __init_discard_policy()
964 	dpolicy->sync = true;  in __init_discard_policy()
965 	dpolicy->ordered = false;  in __init_discard_policy()
966 	dpolicy->granularity = granularity;  in __init_discard_policy()
968 	dpolicy->max_requests = DEF_MAX_DISCARD_REQUEST;  in __init_discard_policy()
969 	dpolicy->io_aware_gran = MAX_PLIST_NUM;  in __init_discard_policy()
972 		dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;  in __init_discard_policy()
973 		dpolicy->mid_interval = DEF_MID_DISCARD_ISSUE_TIME;  in __init_discard_policy()
974 		dpolicy->max_interval = DEF_MAX_DISCARD_ISSUE_TIME;  in __init_discard_policy()
975 		dpolicy->io_aware = true;  in __init_discard_policy()
976 		dpolicy->sync = false;  in __init_discard_policy()
977 		dpolicy->ordered = true;  in __init_discard_policy()
979 			dpolicy->granularity = 1;  in __init_discard_policy()
980 			dpolicy->max_interval = DEF_MIN_DISCARD_ISSUE_TIME;  in __init_discard_policy()
983 		dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;  in __init_discard_policy()
984 		dpolicy->mid_interval = DEF_MID_DISCARD_ISSUE_TIME;  in __init_discard_policy()
985 		dpolicy->max_interval = DEF_MAX_DISCARD_ISSUE_TIME;  in __init_discard_policy()
986 		dpolicy->io_aware = false;  in __init_discard_policy()
988 		dpolicy->io_aware = false;  in __init_discard_policy()
990 		dpolicy->max_requests = UINT_MAX;  in __init_discard_policy()
991 		dpolicy->io_aware = false;  in __init_discard_policy()
1000 						struct discard_policy *dpolicy,  in __submit_discard_cmd()  argument
1009 	struct list_head *wait_list = (dpolicy->type == DPOLICY_FSTRIM) ?  in __submit_discard_cmd()
1011 	int flag = dpolicy->sync ? REQ_SYNC : 0;  in __submit_discard_cmd()
1030 	while (total_len && *issued < dpolicy->max_requests && !err) {  in __submit_discard_cmd()
1041 		if (*issued == dpolicy->max_requests)  in __submit_discard_cmd()
1285 					struct discard_policy *dpolicy)  in __issue_discard_cmd_orderly()  argument
1314 		if (dpolicy->io_aware && !is_idle(sbi)) {  in __issue_discard_cmd_orderly()
1320 		err = __submit_discard_cmd(sbi, dpolicy, dc, &issued);  in __issue_discard_cmd_orderly()
1322 		if (issued >= dpolicy->max_requests)  in __issue_discard_cmd_orderly()
1345 					struct discard_policy *dpolicy)  in __issue_discard_cmd()  argument
1355 		if (i + 1 < dpolicy->granularity)  in __issue_discard_cmd()
1358 		if (i < DEFAULT_DISCARD_GRANULARITY && dpolicy->ordered)  in __issue_discard_cmd()
1359 			return __issue_discard_cmd_orderly(sbi, dpolicy);  in __issue_discard_cmd()
1373 			if (dpolicy->io_aware && i < dpolicy->io_aware_gran &&  in __issue_discard_cmd()
1379 			__submit_discard_cmd(sbi, dpolicy, dc, &issued);  in __issue_discard_cmd()
1381 			if (issued >= dpolicy->max_requests)  in __issue_discard_cmd()
1388 		if (issued >= dpolicy->max_requests || io_interrupted)  in __issue_discard_cmd()
1446 						struct discard_policy *dpolicy,  in __wait_discard_cmd_range()  argument
1450 	struct list_head *wait_list = (dpolicy->type == DPOLICY_FSTRIM) ?  in __wait_discard_cmd_range()
1463 		if (dc->len < dpolicy->granularity)  in __wait_discard_cmd_range()
1487 						struct discard_policy *dpolicy)  in __wait_all_discard_cmd()  argument
1492 	if (dpolicy)  in __wait_all_discard_cmd()
1493 		return __wait_discard_cmd_range(sbi, dpolicy, 0, UINT_MAX);  in __wait_all_discard_cmd()
1544 	struct discard_policy dpolicy;  in f2fs_wait_discard_bios()  local
1547 	__init_discard_policy(sbi, &dpolicy, DPOLICY_UMOUNT,  in f2fs_wait_discard_bios()
1549 	__issue_discard_cmd(sbi, &dpolicy);  in f2fs_wait_discard_bios()
1564 	struct discard_policy dpolicy;  in issue_discard_thread()  local
1571 		__init_discard_policy(sbi, &dpolicy, DPOLICY_BG,  in issue_discard_thread()
1589 			wait_ms = dpolicy.max_interval;  in issue_discard_thread()
1594 			__init_discard_policy(sbi, &dpolicy, DPOLICY_FORCE, 1);  in issue_discard_thread()
1598 		issued = __issue_discard_cmd(sbi, &dpolicy);  in issue_discard_thread()
1600 			__wait_all_discard_cmd(sbi, &dpolicy);  in issue_discard_thread()
1601 			wait_ms = dpolicy.min_interval;  in issue_discard_thread()
1603 			wait_ms = dpolicy.mid_interval;  in issue_discard_thread()
1605 			wait_ms = dpolicy.max_interval;  in issue_discard_thread()
2550 					struct discard_policy *dpolicy,  in __issue_discard_cmd_range()  argument
2583 		if (dc->len < dpolicy->granularity)  in __issue_discard_cmd_range()
2591 		err = __submit_discard_cmd(sbi, dpolicy, dc, &issued);  in __issue_discard_cmd_range()
2593 		if (issued >= dpolicy->max_requests) {  in __issue_discard_cmd_range()
2628 	struct discard_policy dpolicy;  in f2fs_trim_fs()  local
2680 	__init_discard_policy(sbi, &dpolicy, DPOLICY_FSTRIM, cpc.trim_minlen);  in f2fs_trim_fs()
2681 	trimmed = __issue_discard_cmd_range(sbi, &dpolicy,  in f2fs_trim_fs()
2684 	trimmed += __wait_discard_cmd_range(sbi, &dpolicy,  in f2fs_trim_fs()