fs/f2fs/segment.c

1163 				struct discard_policy *dpolicy,
1169 	dpolicy->type = discard_type;
1170 	dpolicy->sync = true;
1171 	dpolicy->ordered = false;
1172 	dpolicy->granularity = granularity;
1174 	dpolicy->max_requests = dcc->max_discard_request;
1175 	dpolicy->io_aware_gran = dcc->discard_io_aware_gran;
1176 	dpolicy->timeout = false;
1179 		dpolicy->min_interval = dcc->min_discard_issue_time;
1180 		dpolicy->mid_interval = dcc->mid_discard_issue_time;
1181 		dpolicy->max_interval = dcc->max_discard_issue_time;
1183 			dpolicy->io_aware = true;
1185 			dpolicy->io_aware = false;
1186 		dpolicy->sync = false;
1187 		dpolicy->ordered = true;
1189 			dpolicy->granularity = MIN_DISCARD_GRANULARITY;
1191 				dpolicy->max_interval =
1195 		dpolicy->min_interval = dcc->min_discard_issue_time;
1196 		dpolicy->mid_interval = dcc->mid_discard_issue_time;
1197 		dpolicy->max_interval = dcc->max_discard_issue_time;
1198 		dpolicy->io_aware = false;
1200 		dpolicy->io_aware = false;
1202 		dpolicy->io_aware = false;
1204 		dpolicy->granularity = MIN_DISCARD_GRANULARITY;
1205 		dpolicy->timeout = true;
1253 				struct discard_policy *dpolicy,
1260 	struct list_head *wait_list = (dpolicy->type == DPOLICY_FSTRIM) ?
1262 	blk_opf_t flag = dpolicy->sync ? REQ_SYNC : 0;
1296 	while (total_len && *issued < dpolicy->max_requests && !err) {
1307 		if (*issued == dpolicy->max_requests)
1566 		struct discard_policy *dpolicy, int *issued)
1590 		if (dpolicy->io_aware && !is_idle(sbi, DISCARD_TIME)) {
1596 		err = __submit_discard_cmd(sbi, dpolicy, dc, issued);
1598 		if (*issued >= dpolicy->max_requests)
1618 					struct discard_policy *dpolicy);
1621 					struct discard_policy *dpolicy)
1630 	if (dpolicy->timeout)
1636 		if (dpolicy->timeout &&
1640 		if (i + 1 < dpolicy->granularity)
1643 		if (i + 1 < dcc->max_ordered_discard && dpolicy->ordered) {
1644 			__issue_discard_cmd_orderly(sbi, dpolicy, &issued);
1659 			if (dpolicy->timeout &&
1663 			if (dpolicy->io_aware && i < dpolicy->io_aware_gran &&
1669 			__submit_discard_cmd(sbi, dpolicy, dc, &issued);
1671 			if (issued >= dpolicy->max_requests)
1678 		if (issued >= dpolicy->max_requests || io_interrupted)
1682 	if (dpolicy->type == DPOLICY_UMOUNT && issued) {
1683 		__wait_all_discard_cmd(sbi, dpolicy);
1741 						struct discard_policy *dpolicy,
1745 	struct list_head *wait_list = (dpolicy->type == DPOLICY_FSTRIM) ?
1758 		if (iter->di.len < dpolicy->granularity)
1782 						struct discard_policy *dpolicy)
1787 	if (dpolicy)
1788 		return __wait_discard_cmd_range(sbi, dpolicy, 0, UINT_MAX);
1867 	struct discard_policy dpolicy;
1873 	__init_discard_policy(sbi, &dpolicy, DPOLICY_UMOUNT,
1875 	__issue_discard_cmd(sbi, &dpolicy);
1890 	struct discard_policy dpolicy;
1903 			__init_discard_policy(sbi, &dpolicy, DPOLICY_FORCE,
1906 			__init_discard_policy(sbi, &dpolicy, DPOLICY_BG,
1922 			wait_ms = dpolicy.max_interval;
1928 		issued = __issue_discard_cmd(sbi, &dpolicy);
1930 			__wait_all_discard_cmd(sbi, &dpolicy);
1931 			wait_ms = dpolicy.min_interval;
1935 				wait_ms = dpolicy.mid_interval;
1937 			wait_ms = dpolicy.max_interval;
1940 			wait_ms = dpolicy.max_interval;
3217 					struct discard_policy *dpolicy,
3246 		if (dc->di.len < dpolicy->granularity)
3254 		err = __submit_discard_cmd(sbi, dpolicy, dc, &issued);
3256 		if (issued >= dpolicy->max_requests) {
3291 	struct discard_policy dpolicy;
3343 	__init_discard_policy(sbi, &dpolicy, DPOLICY_FSTRIM, cpc.trim_minlen);
3344 	trimmed = __issue_discard_cmd_range(sbi, &dpolicy,
3347 	trimmed += __wait_discard_cmd_range(sbi, &dpolicy,