539 		struct cp_control *cpc, struct seg_entry *se,  in __add_discard_entry()  argument
547 		if (START_BLOCK(sbi, cpc->trim_start) + start ==  in __add_discard_entry()
556 	new->blkaddr = START_BLOCK(sbi, cpc->trim_start) + start;  in __add_discard_entry()
563 static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in add_discard_addrs()  argument
567 	struct seg_entry *se = get_seg_entry(sbi, cpc->trim_start);  in add_discard_addrs()
573 	bool force = (cpc->reason == CP_DISCARD);  in add_discard_addrs()
596 		__add_discard_entry(sbi, cpc, se, start, end);  in add_discard_addrs()
626 void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in clear_prefree_segments()  argument
659 		if (cpc->reason == CP_DISCARD && entry->len < cpc->trim_minlen)  in clear_prefree_segments()
662 		cpc->trimmed += entry->len;  in clear_prefree_segments()
1136 	struct cp_control cpc;  in f2fs_trim_fs()  local
1141 	cpc.trimmed = 0;  in f2fs_trim_fs()
1149 	cpc.reason = CP_DISCARD;  in f2fs_trim_fs()
1150 	cpc.trim_minlen = max_t(__u64, 1, F2FS_BYTES_TO_BLK(range->minlen));  in f2fs_trim_fs()
1153 	for (; start_segno <= end_segno; start_segno = cpc.trim_end + 1) {  in f2fs_trim_fs()
1154 		cpc.trim_start = start_segno;  in f2fs_trim_fs()
1159 			cpc.trim_end = end_segno;  in f2fs_trim_fs()
1161 			cpc.trim_end = min_t(unsigned int,  in f2fs_trim_fs()
1167 		write_checkpoint(sbi, &cpc);  in f2fs_trim_fs()
1171 	range->len = F2FS_BLK_TO_BYTES(cpc.trimmed);  in f2fs_trim_fs()
1883 void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in flush_sit_entries()  argument
1943 			if (cpc->reason != CP_DISCARD) {  in flush_sit_entries()
1944 				cpc->trim_start = segno;  in flush_sit_entries()
1945 				add_discard_addrs(sbi, cpc);  in flush_sit_entries()
1977 	if (cpc->reason == CP_DISCARD) {  in flush_sit_entries()
1978 		for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++)  in flush_sit_entries()
1979 			add_discard_addrs(sbi, cpc);  in flush_sit_entries()