EXT4_QUOTA_INIT_BLOCKS
#define EXT4_MAXQUOTAS_INIT_BLOCKS(sb) (EXT4_MAXQUOTAS*EXT4_QUOTA_INIT_BLOCKS(sb))
EXT4_QUOTA_INIT_BLOCKS(sb) +
EXT4_QUOTA_INIT_BLOCKS(dquot->dq_sb));