1818 static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,  in add_discard_addrs()  argument
1823 	struct seg_entry *se = get_seg_entry(sbi, cpc->trim_start);  in add_discard_addrs()
1829 	bool force = (cpc->reason & CP_DISCARD);  in add_discard_addrs()
1858 					&& (end - start) < cpc->trim_minlen)  in add_discard_addrs()
1867 			de->start_blkaddr = START_BLOCK(sbi, cpc->trim_start);  in add_discard_addrs()
1910 						struct cp_control *cpc)  in f2fs_clear_prefree_segments()  argument
1919 	bool force = (cpc->reason & CP_DISCARD);  in f2fs_clear_prefree_segments()
1952 		if (force && start >= cpc->trim_start &&  in f2fs_clear_prefree_segments()
1953 					(end - 1) <= cpc->trim_end)  in f2fs_clear_prefree_segments()
1992 			    (force && len < cpc->trim_minlen))  in f2fs_clear_prefree_segments()
2951 						struct cp_control *cpc)  in f2fs_exist_trim_candidates()  argument
2953 	__u64 trim_start = cpc->trim_start;  in f2fs_exist_trim_candidates()
2957 	for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++) {  in f2fs_exist_trim_candidates()
2958 		if (add_discard_addrs(sbi, cpc, true)) {  in f2fs_exist_trim_candidates()
2965 	cpc->trim_start = trim_start;  in f2fs_exist_trim_candidates()
3047 	struct cp_control cpc;  in f2fs_trim_fs()  local
3073 	cpc.reason = CP_DISCARD;  in f2fs_trim_fs()
3074 	cpc.trim_minlen = max_t(__u64, 1, F2FS_BYTES_TO_BLK(range->minlen));  in f2fs_trim_fs()
3075 	cpc.trim_start = start_segno;  in f2fs_trim_fs()
3076 	cpc.trim_end = end_segno;  in f2fs_trim_fs()
3082 	err = f2fs_write_checkpoint(sbi, &cpc);  in f2fs_trim_fs()
3099 	__init_discard_policy(sbi, &dpolicy, DPOLICY_FSTRIM, cpc.trim_minlen);  in f2fs_trim_fs()
4045 void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in f2fs_flush_sit_entries()  argument
4112 			if (!(cpc->reason & CP_DISCARD)) {  in f2fs_flush_sit_entries()
4113 				cpc->trim_start = segno;  in f2fs_flush_sit_entries()
4114 				add_discard_addrs(sbi, cpc, false);  in f2fs_flush_sit_entries()
4152 	if (cpc->reason & CP_DISCARD) {  in f2fs_flush_sit_entries()
4153 		__u64 trim_start = cpc->trim_start;  in f2fs_flush_sit_entries()
4155 		for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++)  in f2fs_flush_sit_entries()
4156 			add_discard_addrs(sbi, cpc, false);  in f2fs_flush_sit_entries()
4158 		cpc->trim_start = trim_start;  in f2fs_flush_sit_entries()