1326 static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in update_ckpt_flags()  argument
1334 	if ((cpc->reason & CP_UMOUNT) &&  in update_ckpt_flags()
1339 	if (cpc->reason & CP_TRIMMED)  in update_ckpt_flags()
1344 	if (cpc->reason & CP_UMOUNT)  in update_ckpt_flags()
1349 	if (cpc->reason & CP_FASTBOOT)  in update_ckpt_flags()
1445 static inline void stat_cp_time(struct cp_control *cpc, enum cp_time type)  in stat_cp_time()  argument
1447 	cpc->stats.times[type] = ktime_get();  in stat_cp_time()
1450 static inline void check_cp_time(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in check_cp_time()  argument
1457 	cur_diff = (u64)ktime_ms_delta(cpc->stats.times[CP_TIME_END],  in check_cp_time()
1458 					cpc->stats.times[CP_TIME_START]);  in check_cp_time()
1461 		sbi->cp_stats = cpc->stats;  in check_cp_time()
1468 				(u64)ktime_ms_delta(cpc->stats.times[ct + 1],  in check_cp_time()
1469 						cpc->stats.times[ct]));  in check_cp_time()
1473 static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in do_checkpoint()  argument
1490 	stat_cp_time(cpc, CP_TIME_SYNC_META);  in do_checkpoint()
1523 	if (__remain_node_summaries(cpc->reason))  in do_checkpoint()
1533 	update_ckpt_flags(sbi, cpc);  in do_checkpoint()
1547 	if (enabled_nat_bits(sbi, cpc)) {  in do_checkpoint()
1581 	if (__remain_node_summaries(cpc->reason)) {  in do_checkpoint()
1588 	stat_cp_time(cpc, CP_TIME_SYNC_CP_META);  in do_checkpoint()
1592 	stat_cp_time(cpc, CP_TIME_WAIT_DIRTY_META);  in do_checkpoint()
1596 	stat_cp_time(cpc, CP_TIME_WAIT_CP_DATA);  in do_checkpoint()
1602 	stat_cp_time(cpc, CP_TIME_FLUSH_DEVICE);  in do_checkpoint()
1607 	stat_cp_time(cpc, CP_TIME_WAIT_LAST_CP);  in do_checkpoint()
1646 int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in f2fs_write_checkpoint()  argument
1652 	stat_cp_time(cpc, CP_TIME_START);  in f2fs_write_checkpoint()
1658 		if (cpc->reason != CP_PAUSE)  in f2fs_write_checkpoint()
1662 	if (cpc->reason != CP_RESIZE)  in f2fs_write_checkpoint()
1665 	stat_cp_time(cpc, CP_TIME_LOCK);  in f2fs_write_checkpoint()
1668 		((cpc->reason & CP_FASTBOOT) || (cpc->reason & CP_SYNC) ||  in f2fs_write_checkpoint()
1669 		((cpc->reason & CP_DISCARD) && !sbi->discard_blks)))  in f2fs_write_checkpoint()
1676 	trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "start block_ops");  in f2fs_write_checkpoint()
1682 	stat_cp_time(cpc, CP_TIME_OP_LOCK);  in f2fs_write_checkpoint()
1684 	trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish block_ops");  in f2fs_write_checkpoint()
1689 	if (cpc->reason & CP_DISCARD) {  in f2fs_write_checkpoint()
1690 		if (!f2fs_exist_trim_candidates(sbi, cpc)) {  in f2fs_write_checkpoint()
1698 			f2fs_flush_sit_entries(sbi, cpc);  in f2fs_write_checkpoint()
1699 			f2fs_clear_prefree_segments(sbi, cpc);  in f2fs_write_checkpoint()
1714 	err = f2fs_flush_nat_entries(sbi, cpc);  in f2fs_write_checkpoint()
1721 	f2fs_flush_sit_entries(sbi, cpc);  in f2fs_write_checkpoint()
1723 	stat_cp_time(cpc, CP_TIME_FLUSH_META);  in f2fs_write_checkpoint()
1728 	err = do_checkpoint(sbi, cpc);  in f2fs_write_checkpoint()
1734 		f2fs_clear_prefree_segments(sbi, cpc);  in f2fs_write_checkpoint()
1742 	stat_cp_time(cpc, CP_TIME_END);  in f2fs_write_checkpoint()
1743 	check_cp_time(sbi, cpc);  in f2fs_write_checkpoint()
1745 	if (cpc->reason & CP_RECOVERY)  in f2fs_write_checkpoint()
1750 	trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");  in f2fs_write_checkpoint()
1752 	if (cpc->reason != CP_RESIZE)  in f2fs_write_checkpoint()
1798 	struct cp_control cpc = { .reason = CP_SYNC, };  in __write_checkpoint_sync()  local
1802 	err = f2fs_write_checkpoint(sbi, &cpc);  in __write_checkpoint_sync()
1886 	struct cp_control cpc;  in f2fs_issue_checkpoint()  local
1888 	cpc.reason = __get_cp_reason(sbi);  in f2fs_issue_checkpoint()
1889 	if (!test_opt(sbi, MERGE_CHECKPOINT) || cpc.reason != CP_SYNC ||  in f2fs_issue_checkpoint()
1894 		ret = f2fs_write_checkpoint(sbi, &cpc);  in f2fs_issue_checkpoint()