ext4_calc_metadata_amount 1001 fs/ext4/inode.c mdb = ext4_calc_metadata_amount(inode, total); ext4_calc_metadata_amount 1528 fs/ext4/inode.c mdblocks = ext4_calc_metadata_amount(inode, total); ext4_calc_metadata_amount 1575 fs/ext4/inode.c mdb = ext4_calc_metadata_amount(inode, total);