484 		struct cp_control *cpc, unsigned int start, unsigned int end)  in __add_discard_entry()  argument
491 		if (START_BLOCK(sbi, cpc->trim_start) + start ==  in __add_discard_entry()
500 	new->blkaddr = START_BLOCK(sbi, cpc->trim_start) + start;  in __add_discard_entry()
505 	cpc->trimmed += end - start;  in __add_discard_entry()
508 static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in add_discard_addrs()  argument
512 	struct seg_entry *se = get_seg_entry(sbi, cpc->trim_start);  in add_discard_addrs()
517 	bool force = (cpc->reason == CP_DISCARD);  in add_discard_addrs()
532 		if (test_bit(cpc->trim_start, dirty_i->dirty_segmap[PRE])) {  in add_discard_addrs()
534 			cpc->trimmed += sbi->blocks_per_seg;  in add_discard_addrs()
539 		__add_discard_entry(sbi, cpc, 0, sbi->blocks_per_seg);  in add_discard_addrs()
559 		if (force && end - start < cpc->trim_minlen)  in add_discard_addrs()
562 		__add_discard_entry(sbi, cpc, start, end);  in add_discard_addrs()
1061 	struct cp_control cpc;  in f2fs_trim_fs()  local
1067 	cpc.trimmed = 0;  in f2fs_trim_fs()
1075 	cpc.reason = CP_DISCARD;  in f2fs_trim_fs()
1076 	cpc.trim_minlen = F2FS_BYTES_TO_BLK(range->minlen);  in f2fs_trim_fs()
1079 	for (; start_segno <= end_segno; start_segno = cpc.trim_end + 1) {  in f2fs_trim_fs()
1080 		cpc.trim_start = start_segno;  in f2fs_trim_fs()
1081 		cpc.trim_end = min_t(unsigned int, rounddown(start_segno +  in f2fs_trim_fs()
1086 		write_checkpoint(sbi, &cpc);  in f2fs_trim_fs()
1090 	range->len = F2FS_BLK_TO_BYTES(cpc.trimmed);  in f2fs_trim_fs()
1726 void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)  in flush_sit_entries()  argument
1786 			if (cpc->reason != CP_DISCARD) {  in flush_sit_entries()
1787 				cpc->trim_start = segno;  in flush_sit_entries()
1788 				add_discard_addrs(sbi, cpc);  in flush_sit_entries()
1820 	if (cpc->reason == CP_DISCARD) {  in flush_sit_entries()
1821 		for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++)  in flush_sit_entries()
1822 			add_discard_addrs(sbi, cpc);  in flush_sit_entries()