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Add extra illustrative doodle for pere

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Jussi Saurio
2025-08-04 17:40:41 +03:00
parent a5330aa6fb
commit ad35cf07eb
1 changed files with 4 additions and 0 deletions
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4
core/storage/btree.rs
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@@ -6643,6 +6643,10 @@ fn defragment_page_fast(
// Effectively moves everything in between the two freeblocks rightwards by the length of the 2nd freeblock,
// so that the first freeblock size becomes `freeblocks_total_size` (merging the two freeblocks)
// and the second freeblock gets overwritten by non-free cell data.
// Illustrative doodle:
// | content area start |--cell content A--| 1st free |--cell content B--| 2nd free |--cell content C--|
// ->
// | content area start |--cell content A--| merged free |--cell content B--|--cell content C--|
let after_first_freeblock = freeblock_1st + freeblock_1st_size;
let copy_amount = freeblock_2nd - after_first_freeblock;
buf.copy_within(