1852 static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,  in add_discard_addrs()  argument
1857 	struct seg_entry *se = get_seg_entry(sbi, cpc->trim_start);  in add_discard_addrs()
1863 	bool force = (cpc->reason & CP_DISCARD);  in add_discard_addrs()
1891 					&& (end - start) < cpc->trim_minlen)  in add_discard_addrs()
1900 			de->start_blkaddr = START_BLOCK(sbi, cpc->trim_start);  in add_discard_addrs()
1943 						struct cp_control *cpc)  in f2fs_clear_prefree_segments()  argument
1952 	bool force = (cpc->reason & CP_DISCARD);  in f2fs_clear_prefree_segments()
1981 		if (force && start >= cpc->trim_start &&  in f2fs_clear_prefree_segments()
1982 					(end - 1) <= cpc->trim_end)  in f2fs_clear_prefree_segments()
2018 			    (force && len < cpc->trim_minlen))  in f2fs_clear_prefree_segments()
2749 						struct cp_control *cpc)  in f2fs_exist_trim_candidates()  argument
2751 	__u64 trim_start = cpc->trim_start;  in f2fs_exist_trim_candidates()
2755 	for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++) {  in f2fs_exist_trim_candidates()
2756 		if (add_discard_addrs(sbi, cpc, true)) {  in f2fs_exist_trim_candidates()
2763 	cpc->trim_start = trim_start;  in f2fs_exist_trim_candidates()
2845 	struct cp_control cpc;  in f2fs_trim_fs()  local
2871 	cpc.reason = CP_DISCARD;  in f2fs_trim_fs()
2872 	cpc.trim_minlen = max_t(__u64, 1, F2FS_BYTES_TO_BLK(range->minlen));  in f2fs_trim_fs()
2873 	cpc.trim_start = start_segno;  in f2fs_trim_fs()
2874 	cpc.trim_end = end_segno;  in f2fs_trim_fs()
2880 	err = f2fs_write_checkpoint(sbi, &cpc);  in f2fs_trim_fs()
2897 	__init_discard_policy(sbi, &dpolicy, DPOLICY_FSTRIM, cpc.trim_minlen);  in f2fs_trim_fs()
3880 void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in f2fs_flush_sit_entries()  argument
3947 			if (!(cpc->reason & CP_DISCARD)) {  in f2fs_flush_sit_entries()
3948 				cpc->trim_start = segno;  in f2fs_flush_sit_entries()
3949 				add_discard_addrs(sbi, cpc, false);  in f2fs_flush_sit_entries()
3987 	if (cpc->reason & CP_DISCARD) {  in f2fs_flush_sit_entries()
3988 		__u64 trim_start = cpc->trim_start;  in f2fs_flush_sit_entries()
3990 		for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++)  in f2fs_flush_sit_entries()
3991 			add_discard_addrs(sbi, cpc, false);  in f2fs_flush_sit_entries()
3993 		cpc->trim_start = trim_start;  in f2fs_flush_sit_entries()