831 			block_t valid_blocks =  in __locate_dirty_segment()  local
834 			f2fs_bug_on(sbi, unlikely(!valid_blocks ||  in __locate_dirty_segment()
835 					valid_blocks == BLKS_PER_SEC(sbi)));  in __locate_dirty_segment()
847 	block_t valid_blocks;  in __remove_dirty_segment()  local
859 		valid_blocks = get_valid_blocks(sbi, segno, true);  in __remove_dirty_segment()
860 		if (valid_blocks == 0) {  in __remove_dirty_segment()
870 			if (!valid_blocks ||  in __remove_dirty_segment()
871 					valid_blocks == BLKS_PER_SEC(sbi)) {  in __remove_dirty_segment()
890 	unsigned short valid_blocks, ckpt_valid_blocks;  in locate_dirty_segment()  local
899 	valid_blocks = get_valid_blocks(sbi, segno, false);  in locate_dirty_segment()
902 	if (valid_blocks == 0 && (!is_sbi_flag_set(sbi, SBI_CP_DISABLED) ||  in locate_dirty_segment()
906 	} else if (valid_blocks < usable_blocks) {  in locate_dirty_segment()
950 							se->valid_blocks;  in f2fs_get_unusable_blocks()
953 							se->valid_blocks;  in f2fs_get_unusable_blocks()
1935 	if (se->valid_blocks == max_blocks || !f2fs_hw_support_discard(sbi) ||  in add_discard_addrs()
1940 		if (!f2fs_realtime_discard_enable(sbi) || !se->valid_blocks ||  in add_discard_addrs()
2251 		se->mtime = div_u64(se->mtime * se->valid_blocks + mtime,  in update_segment_mtime()
2252 						se->valid_blocks + 1);  in update_segment_mtime()
2271 	new_vblocks = se->valid_blocks + del;  in update_sit_entry()
2277 	se->valid_blocks = new_vblocks;  in update_sit_entry()
2295 			se->valid_blocks--;  in update_sit_entry()
2326 			se->valid_blocks++;  in update_sit_entry()
2355 		get_sec_entry(sbi, segno)->valid_blocks += del;  in update_sit_entry()
3670 		if (se->valid_blocks == 0 && !IS_CURSEG(sbi, segno)) {  in f2fs_do_replace_block()
4537 				total_node_blocks += se->valid_blocks;  in build_sit_entries()
4550 						se->valid_blocks;  in build_sit_entries()
4555 				get_sec_entry(sbi, start)->valid_blocks +=  in build_sit_entries()
4556 							se->valid_blocks;  in build_sit_entries()
4576 		old_valid_blocks = se->valid_blocks;  in build_sit_entries()
4585 			total_node_blocks += se->valid_blocks;  in build_sit_entries()
4594 				sbi->discard_blks -= se->valid_blocks;  in build_sit_entries()
4599 			get_sec_entry(sbi, start)->valid_blocks +=  in build_sit_entries()
4600 							se->valid_blocks;  in build_sit_entries()
4601 			get_sec_entry(sbi, start)->valid_blocks -=  in build_sit_entries()
4626 		if (!sentry->valid_blocks)  in init_free_segmap()
4630 						sentry->valid_blocks;  in init_free_segmap()
4646 	block_t valid_blocks, usable_blks_in_seg;  in init_dirty_segmap()  local
4655 		valid_blocks = get_valid_blocks(sbi, segno, false);  in init_dirty_segmap()
4657 		if (valid_blocks == usable_blks_in_seg || !valid_blocks)  in init_dirty_segmap()
4659 		if (valid_blocks > usable_blks_in_seg) {  in init_dirty_segmap()
4673 		valid_blocks = get_valid_blocks(sbi, segno, true);  in init_dirty_segmap()
4676 		if (!valid_blocks || valid_blocks == blks_per_sec)  in init_dirty_segmap()