155 static void logfs_write_ds(struct super_block *sb, struct logfs_disk_super *ds,  in logfs_write_ds()  argument
159 	struct logfs_segment_header *sh = &ds->ds_sh;  in logfs_write_ds()
162 	memset(ds, 0, sizeof(*ds));  in logfs_write_ds()
165 	ds->ds_ifile_levels	= super->s_ifile_levels;  in logfs_write_ds()
166 	ds->ds_iblock_levels	= super->s_iblock_levels;  in logfs_write_ds()
167 	ds->ds_data_levels	= super->s_data_levels; /* XXX: Remove */  in logfs_write_ds()
168 	ds->ds_segment_shift	= super->s_segshift;  in logfs_write_ds()
169 	ds->ds_block_shift	= sb->s_blocksize_bits;  in logfs_write_ds()
170 	ds->ds_write_shift	= super->s_writeshift;  in logfs_write_ds()
171 	ds->ds_filesystem_size	= cpu_to_be64(super->s_size);  in logfs_write_ds()
172 	ds->ds_segment_size	= cpu_to_be32(super->s_segsize);  in logfs_write_ds()
173 	ds->ds_bad_seg_reserve	= cpu_to_be32(super->s_bad_seg_reserve);  in logfs_write_ds()
174 	ds->ds_feature_incompat	= cpu_to_be64(super->s_feature_incompat);  in logfs_write_ds()
175 	ds->ds_feature_ro_compat= cpu_to_be64(super->s_feature_ro_compat);  in logfs_write_ds()
176 	ds->ds_feature_compat	= cpu_to_be64(super->s_feature_compat);  in logfs_write_ds()
177 	ds->ds_feature_flags	= cpu_to_be64(super->s_feature_flags);  in logfs_write_ds()
178 	ds->ds_root_reserve	= cpu_to_be64(super->s_root_reserve);  in logfs_write_ds()
179 	ds->ds_speed_reserve	= cpu_to_be64(super->s_speed_reserve);  in logfs_write_ds()
181 		ds->ds_journal_seg[i] = cpu_to_be32(super->s_journal_seg[i]);  in logfs_write_ds()
182 	ds->ds_magic		= cpu_to_be64(LOGFS_MAGIC);  in logfs_write_ds()
183 	ds->ds_crc = logfs_crc32(ds, sizeof(*ds),  in logfs_write_ds()
191 	struct logfs_disk_super *ds;  in write_one_sb()  local
201 	ds = page_address(page);  in write_one_sb()
207 	logfs_write_ds(sb, ds, segno, ec);  in write_one_sb()
345 int logfs_check_ds(struct logfs_disk_super *ds)  in logfs_check_ds()  argument
347 	struct logfs_segment_header *sh = &ds->ds_sh;  in logfs_check_ds()
349 	if (ds->ds_magic != cpu_to_be64(LOGFS_MAGIC))  in logfs_check_ds()
353 	if (ds->ds_crc != logfs_crc32(ds, sizeof(*ds),  in logfs_check_ds()
394 	struct logfs_disk_super *ds;  in __logfs_read_sb()  local
401 	ds = page_address(page);  in __logfs_read_sb()
402 	super->s_size = be64_to_cpu(ds->ds_filesystem_size);  in __logfs_read_sb()
403 	super->s_root_reserve = be64_to_cpu(ds->ds_root_reserve);  in __logfs_read_sb()
404 	super->s_speed_reserve = be64_to_cpu(ds->ds_speed_reserve);  in __logfs_read_sb()
405 	super->s_bad_seg_reserve = be32_to_cpu(ds->ds_bad_seg_reserve);  in __logfs_read_sb()
406 	super->s_segsize = 1 << ds->ds_segment_shift;  in __logfs_read_sb()
407 	super->s_segmask = (1 << ds->ds_segment_shift) - 1;  in __logfs_read_sb()
408 	super->s_segshift = ds->ds_segment_shift;  in __logfs_read_sb()
409 	sb->s_blocksize = 1 << ds->ds_block_shift;  in __logfs_read_sb()
410 	sb->s_blocksize_bits = ds->ds_block_shift;  in __logfs_read_sb()
411 	super->s_writesize = 1 << ds->ds_write_shift;  in __logfs_read_sb()
412 	super->s_writeshift = ds->ds_write_shift;  in __logfs_read_sb()
415 	super->s_feature_incompat = be64_to_cpu(ds->ds_feature_incompat);  in __logfs_read_sb()
416 	super->s_feature_ro_compat = be64_to_cpu(ds->ds_feature_ro_compat);  in __logfs_read_sb()
417 	super->s_feature_compat = be64_to_cpu(ds->ds_feature_compat);  in __logfs_read_sb()
418 	super->s_feature_flags = be64_to_cpu(ds->ds_feature_flags);  in __logfs_read_sb()
421 		super->s_journal_seg[i] = be32_to_cpu(ds->ds_journal_seg[i]);  in __logfs_read_sb()
423 	super->s_ifile_levels = ds->ds_ifile_levels;  in __logfs_read_sb()
424 	super->s_iblock_levels = ds->ds_iblock_levels;  in __logfs_read_sb()
425 	super->s_data_levels = ds->ds_data_levels;  in __logfs_read_sb()