2040 static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,  in add_discard_addrs()  argument
2045 	struct seg_entry *se = get_seg_entry(sbi, cpc->trim_start);  in add_discard_addrs()
2051 	bool force = (cpc->reason & CP_DISCARD);  in add_discard_addrs()
2080 					&& (end - start) < cpc->trim_minlen)  in add_discard_addrs()
2089 			de->start_blkaddr = START_BLOCK(sbi, cpc->trim_start);  in add_discard_addrs()
2132 						struct cp_control *cpc)  in f2fs_clear_prefree_segments()  argument
2141 	bool force = (cpc->reason & CP_DISCARD);  in f2fs_clear_prefree_segments()
2174 		if (force && start >= cpc->trim_start &&  in f2fs_clear_prefree_segments()
2175 					(end - 1) <= cpc->trim_end)  in f2fs_clear_prefree_segments()
2216 			    (force && len < cpc->trim_minlen))  in f2fs_clear_prefree_segments()
3124 						struct cp_control *cpc)  in f2fs_exist_trim_candidates()  argument
3126 	__u64 trim_start = cpc->trim_start;  in f2fs_exist_trim_candidates()
3130 	for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++) {  in f2fs_exist_trim_candidates()
3131 		if (add_discard_addrs(sbi, cpc, true)) {  in f2fs_exist_trim_candidates()
3138 	cpc->trim_start = trim_start;  in f2fs_exist_trim_candidates()
3216 	struct cp_control cpc;  in f2fs_trim_fs()  local
3242 	cpc.reason = CP_DISCARD;  in f2fs_trim_fs()
3243 	cpc.trim_minlen = max_t(__u64, 1, F2FS_BYTES_TO_BLK(range->minlen));  in f2fs_trim_fs()
3244 	cpc.trim_start = start_segno;  in f2fs_trim_fs()
3245 	cpc.trim_end = end_segno;  in f2fs_trim_fs()
3252 	err = f2fs_write_checkpoint(sbi, &cpc);  in f2fs_trim_fs()
3269 	__init_discard_policy(sbi, &dpolicy, DPOLICY_FSTRIM, cpc.trim_minlen);  in f2fs_trim_fs()
4252 void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in f2fs_flush_sit_entries()  argument
4319 			if (!(cpc->reason & CP_DISCARD)) {  in f2fs_flush_sit_entries()
4320 				cpc->trim_start = segno;  in f2fs_flush_sit_entries()
4321 				add_discard_addrs(sbi, cpc, false);  in f2fs_flush_sit_entries()
4359 	if (cpc->reason & CP_DISCARD) {  in f2fs_flush_sit_entries()
4360 		__u64 trim_start = cpc->trim_start;  in f2fs_flush_sit_entries()
4362 		for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++)  in f2fs_flush_sit_entries()
4363 			add_discard_addrs(sbi, cpc, false);  in f2fs_flush_sit_entries()
4365 		cpc->trim_start = trim_start;  in f2fs_flush_sit_entries()