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Cleaned up design documentation

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Christopher Haster
2017-06-18 12:09:26 -05:00
parent d2bf2bbc72
commit 0d66f9f991
1 changed files with 3 additions and 3 deletions
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DESIGN.md
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@@ -187,7 +187,7 @@ Here is what updating a one-block file may look like:
It doesn't matter if we lose power while writing block 5 with the new data, It doesn't matter if we lose power while writing block 5 with the new data,
since the old data remains unmodified in block 4. This example also since the old data remains unmodified in block 4. This example also
highlights how the atomic updates of the metadata blockss provide a highlights how the atomic updates of the metadata blocks provide a
synchronization barrier for the rest of the littlefs. synchronization barrier for the rest of the littlefs.
At this point, it may look like we are wasting an awfully large amount At this point, it may look like we are wasting an awfully large amount
@@ -299,7 +299,7 @@ Here is what it might look like to update a file stored with a CTZ linked-list:
.---------.---------. .---------.---------.
| rev: 1 | rev: 0 | | rev: 1 | rev: 0 |
| file: 6 | file: 0 | | file: 6 | file: 0 |
| size: 4 | xor: 0 | | size: 4 | size: 0 |
| xor: 3 | xor: 0 | | xor: 3 | xor: 0 |
'---------'---------' '---------'---------'
| |
@@ -515,7 +515,7 @@ directory linked-lists and avoid using any additional space.
| .-' '-------------------------. | .-' '-------------------------.
| v v | v v
| .--------. .--------. .--------. | .--------. .--------. .--------.
'->| dir A |------->| dir B |------->| dir B | '->| dir A |------->| dir A |------->| dir B |
| pair 0 | | pair 1 | | pair 0 | | pair 0 | | pair 1 | | pair 0 |
| | | | | | | | | | | |
'--------' '--------' '--------' '--------' '--------' '--------'