927 	journal_superblock_t *sb = journal->j_superblock;  in journal_reset()  local
930 	first = be32_to_cpu(sb->s_first);  in journal_reset()
931 	last = be32_to_cpu(sb->s_maxlen);  in journal_reset()
958 	if (sb->s_start == 0) {  in journal_reset()
994 	journal_superblock_t *sb;  in journal_create()  local
1038 	sb = journal->j_superblock;  in journal_create()
1040 	sb->s_header.h_magic	 = cpu_to_be32(JFS_MAGIC_NUMBER);  in journal_create()
1041 	sb->s_header.h_blocktype = cpu_to_be32(JFS_SUPERBLOCK_V2);  in journal_create()
1043 	sb->s_blocksize	= cpu_to_be32(journal->j_blocksize);  in journal_create()
1044 	sb->s_maxlen	= cpu_to_be32(journal->j_maxlen);  in journal_create()
1045 	sb->s_first	= cpu_to_be32(1);  in journal_create()
1111 	journal_superblock_t *sb = journal->j_superblock;  in journal_update_sb_log_tail()  local
1117 	sb->s_sequence = cpu_to_be32(tail_tid);  in journal_update_sb_log_tail()
1118 	sb->s_start    = cpu_to_be32(tail_block);  in journal_update_sb_log_tail()
1124 	WARN_ON(!sb->s_sequence);  in journal_update_sb_log_tail()
1138 	journal_superblock_t *sb = journal->j_superblock;  in mark_journal_empty()  local
1143 	if (sb->s_start == 0) {  in mark_journal_empty()
1150 	sb->s_sequence = cpu_to_be32(journal->j_tail_sequence);  in mark_journal_empty()
1151 	sb->s_start    = cpu_to_be32(0);  in mark_journal_empty()
1171 	journal_superblock_t *sb = journal->j_superblock;  in journal_update_sb_errno()  local
1176 	sb->s_errno = cpu_to_be32(journal->j_errno);  in journal_update_sb_errno()
1190 	journal_superblock_t *sb;  in journal_get_superblock()  local
1206 	sb = journal->j_superblock;  in journal_get_superblock()
1210 	if (sb->s_header.h_magic != cpu_to_be32(JFS_MAGIC_NUMBER) ||  in journal_get_superblock()
1211 	    sb->s_blocksize != cpu_to_be32(journal->j_blocksize)) {  in journal_get_superblock()
1216 	switch(be32_to_cpu(sb->s_header.h_blocktype)) {  in journal_get_superblock()
1228 	if (be32_to_cpu(sb->s_maxlen) < journal->j_maxlen)  in journal_get_superblock()
1229 		journal->j_maxlen = be32_to_cpu(sb->s_maxlen);  in journal_get_superblock()
1230 	else if (be32_to_cpu(sb->s_maxlen) > journal->j_maxlen) {  in journal_get_superblock()
1235 	if (be32_to_cpu(sb->s_first) == 0 ||  in journal_get_superblock()
1236 	    be32_to_cpu(sb->s_first) >= journal->j_maxlen) {  in journal_get_superblock()
1239 			be32_to_cpu(sb->s_first));  in journal_get_superblock()
1258 	journal_superblock_t *sb;  in load_superblock()  local
1264 	sb = journal->j_superblock;  in load_superblock()
1266 	journal->j_tail_sequence = be32_to_cpu(sb->s_sequence);  in load_superblock()
1267 	journal->j_tail = be32_to_cpu(sb->s_start);  in load_superblock()
1268 	journal->j_first = be32_to_cpu(sb->s_first);  in load_superblock()
1269 	journal->j_last = be32_to_cpu(sb->s_maxlen);  in load_superblock()
1270 	journal->j_errno = be32_to_cpu(sb->s_errno);  in load_superblock()
1287 	journal_superblock_t *sb;  in journal_load()  local
1293 	sb = journal->j_superblock;  in journal_load()
1298 		if ((sb->s_feature_ro_compat &  in journal_load()
1300 		    (sb->s_feature_incompat &  in journal_load()
1400 	journal_superblock_t *sb;  in journal_check_used_features()  local
1407 	sb = journal->j_superblock;  in journal_check_used_features()
1409 	if (((be32_to_cpu(sb->s_feature_compat) & compat) == compat) &&  in journal_check_used_features()
1410 	    ((be32_to_cpu(sb->s_feature_ro_compat) & ro) == ro) &&  in journal_check_used_features()
1411 	    ((be32_to_cpu(sb->s_feature_incompat) & incompat) == incompat))  in journal_check_used_features()
1464 	journal_superblock_t *sb;  in journal_set_features()  local
1475 	sb = journal->j_superblock;  in journal_set_features()
1477 	sb->s_feature_compat    |= cpu_to_be32(compat);  in journal_set_features()
1478 	sb->s_feature_ro_compat |= cpu_to_be32(ro);  in journal_set_features()
1479 	sb->s_feature_incompat  |= cpu_to_be32(incompat);  in journal_set_features()
1494 	journal_superblock_t *sb;  in journal_update_format()  local
1501 	sb = journal->j_superblock;  in journal_update_format()
1503 	switch (be32_to_cpu(sb->s_header.h_blocktype)) {  in journal_update_format()
1507 		return journal_convert_superblock_v1(journal, sb);  in journal_update_format()
1515 					 journal_superblock_t *sb)  in journal_convert_superblock_v1()  argument
1524 	offset = ((char *) &(sb->s_feature_compat)) - ((char *) sb);  in journal_convert_superblock_v1()
1525 	blocksize = be32_to_cpu(sb->s_blocksize);  in journal_convert_superblock_v1()
1526 	memset(&sb->s_feature_compat, 0, blocksize-offset);  in journal_convert_superblock_v1()
1528 	sb->s_nr_users = cpu_to_be32(1);  in journal_convert_superblock_v1()
1529 	sb->s_header.h_blocktype = cpu_to_be32(JFS_SUPERBLOCK_V2);  in journal_convert_superblock_v1()