93 				  struct buffer_head *bhs, u32 *sum,  in nilfs_compute_checksum()  argument
119 	*sum = crc;  in nilfs_compute_checksum()
182 		      struct nilfs_segment_summary **sum)  in nilfs_read_log_header()  argument
188 		*sum = (struct nilfs_segment_summary *)bh_sum->b_data;  in nilfs_read_log_header()
201 			      struct nilfs_segment_summary *sum)  in nilfs_validate_log()  argument
208 	if (le32_to_cpu(sum->ss_magic) != NILFS_SEGSUM_MAGIC)  in nilfs_validate_log()
212 	if (le64_to_cpu(sum->ss_seq) != seg_seq)  in nilfs_validate_log()
215 	nblock = le32_to_cpu(sum->ss_nblocks);  in nilfs_validate_log()
222 	if (nilfs_compute_checksum(nilfs, bh_sum, &crc, sizeof(sum->ss_datasum),  in nilfs_validate_log()
228 	if (crc != le32_to_cpu(sum->ss_datasum))  in nilfs_validate_log()
305 				struct nilfs_segment_summary *sum,  in nilfs_scan_dsync_log()  argument
315 	nfinfo = le32_to_cpu(sum->ss_nfinfo);  in nilfs_scan_dsync_log()
319 	sumbytes = le32_to_cpu(sum->ss_sumbytes);  in nilfs_scan_dsync_log()
325 	offset = le16_to_cpu(sum->ss_bytes);  in nilfs_scan_dsync_log()
573 	struct nilfs_segment_summary *sum = NULL;  in nilfs_do_roll_forward()  local
596 		bh_sum = nilfs_read_log_header(nilfs, pseg_start, &sum);  in nilfs_do_roll_forward()
602 		ret = nilfs_validate_log(nilfs, seg_seq, bh_sum, sum);  in nilfs_do_roll_forward()
611 		flags = le16_to_cpu(sum->ss_flags);  in nilfs_do_roll_forward()
617 						    le64_to_cpu(sum->ss_next));  in nilfs_do_roll_forward()
619 		nilfs->ns_ctime = le64_to_cpu(sum->ss_create);  in nilfs_do_roll_forward()
634 			err = nilfs_scan_dsync_log(nilfs, pseg_start, sum,  in nilfs_do_roll_forward()
652 		pseg_start += le32_to_cpu(sum->ss_nblocks);  in nilfs_do_roll_forward()
805 	struct nilfs_segment_summary *sum = NULL;  in nilfs_search_super_root()  local
834 		bh_sum = nilfs_read_log_header(nilfs, pseg_start, &sum);  in nilfs_search_super_root()
838 		ret = nilfs_validate_log(nilfs, seg_seq, bh_sum, sum);  in nilfs_search_super_root()
845 		nblocks = le32_to_cpu(sum->ss_nblocks);  in nilfs_search_super_root()
857 						    le64_to_cpu(sum->ss_next));  in nilfs_search_super_root()
861 		flags = le16_to_cpu(sum->ss_flags);  in nilfs_search_super_root()
899 		nilfs->ns_ctime = le64_to_cpu(sum->ss_create);  in nilfs_search_super_root()