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Commit ee894a

2026-09-04 07:37:44 Bob Green: -/-
programming/filesystem layer.md ..
@@ 69,24 69,22 @@
Another attempt:
```mermaid
erDiagram
- direction TD
+ CUSTOMER ||--o{ ORDER : places
CUSTOMER {
+ string name
+ string custNumber
+ string sector
+ }
+ ORDER ||--|{ LINE-ITEM : contains
+ ORDER {
int orderNumber
+ string deliveryAddress
}
-
- vmp_t:::foo ||--|| CUSTOMER : zob
- vmp_t {
- block_device-t *dev_driver
- vfs_fs_t *fs_driver
- char name[16]
- uint8_t block_buff[BLOCK_DEVICE_BLOCK_SIZE]
- unsigned int mounted : 1
- unsigned int read_only : 1
- uint8_t subdev
- union fs_data
+ LINE-ITEM {
+ string productCode
+ int quantity
+ float pricePerUnit
}
-
- classDef foo stroke:#f00,fill:#f96
```
> [!NOTE]
> This diagram is evolving as I am in the process of implementing
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