2078 static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,  in add_discard_addrs()  argument
2082 	struct seg_entry *se = get_seg_entry(sbi, cpc->trim_start);  in add_discard_addrs()
2088 	bool force = (cpc->reason & CP_DISCARD);  in add_discard_addrs()
2101 				!IS_CURSEG(sbi, cpc->trim_start)) ||  in add_discard_addrs()
2121 		    (end - start) < cpc->trim_minlen)  in add_discard_addrs()
2130 			de->start_blkaddr = START_BLOCK(sbi, cpc->trim_start);  in add_discard_addrs()
2173 						struct cp_control *cpc)  in f2fs_clear_prefree_segments()  argument
2182 	bool force = (cpc->reason & CP_DISCARD);  in f2fs_clear_prefree_segments()
2215 		if (force && start >= cpc->trim_start &&  in f2fs_clear_prefree_segments()
2216 					(end - 1) <= cpc->trim_end)  in f2fs_clear_prefree_segments()
2257 			    (force && len < cpc->trim_minlen))  in f2fs_clear_prefree_segments()
3342 						struct cp_control *cpc)  in f2fs_exist_trim_candidates()  argument
3344 	__u64 trim_start = cpc->trim_start;  in f2fs_exist_trim_candidates()
3348 	for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++) {  in f2fs_exist_trim_candidates()
3349 		if (add_discard_addrs(sbi, cpc, true)) {  in f2fs_exist_trim_candidates()
3356 	cpc->trim_start = trim_start;  in f2fs_exist_trim_candidates()
3434 	struct cp_control cpc;  in f2fs_trim_fs()  local
3460 	cpc.reason = CP_DISCARD;  in f2fs_trim_fs()
3461 	cpc.trim_minlen = max_t(__u64, 1, F2FS_BYTES_TO_BLK(range->minlen));  in f2fs_trim_fs()
3462 	cpc.trim_start = start_segno;  in f2fs_trim_fs()
3463 	cpc.trim_end = end_segno;  in f2fs_trim_fs()
3470 	err = f2fs_write_checkpoint(sbi, &cpc);  in f2fs_trim_fs()
3487 	__init_discard_policy(sbi, &dpolicy, DPOLICY_FSTRIM, cpc.trim_minlen);  in f2fs_trim_fs()
4609 void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in f2fs_flush_sit_entries()  argument
4676 			if (!(cpc->reason & CP_DISCARD)) {  in f2fs_flush_sit_entries()
4677 				cpc->trim_start = segno;  in f2fs_flush_sit_entries()
4678 				add_discard_addrs(sbi, cpc, false);  in f2fs_flush_sit_entries()
4716 	if (cpc->reason & CP_DISCARD) {  in f2fs_flush_sit_entries()
4717 		__u64 trim_start = cpc->trim_start;  in f2fs_flush_sit_entries()
4719 		for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++)  in f2fs_flush_sit_entries()
4720 			add_discard_addrs(sbi, cpc, false);  in f2fs_flush_sit_entries()
4722 		cpc->trim_start = trim_start;  in f2fs_flush_sit_entries()