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bmap: Split known into ctrled+unctrled

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This commit is contained in:
Christopher Haster
2025-07-26 10:37:59 -05:00
parent 732d6079e3
commit e7c3755e21
5 changed files with 42 additions and 20 deletions
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lfs3.h
+10 -7
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@@ -843,21 +843,24 @@ typedef struct lfs3_grm {
} lfs3_grm_t;
// gbmap encoding:
// .---+- -+- -+- -+- -. cursor: 1 leb128 <=5 bytes
// | cursor | known: 1 leb128 <=5 bytes
// +---+- -+- -+- -+- -+ block: 1 leb128 <=5 bytes
// | known | trunk: 1 leb128 <=4 bytes
// +---+- -+- -+- -+- -+ cksum: 1 le32 4 bytes
// | block | total: 23 bytes
// .---+- -+- -+- -+- -. cursor: 1 leb128 <=5 bytes
// | cursor | ctrled: 1 leb128 <=5 bytes
// +---+- -+- -+- -+- -+ unctrled: 1 leb128 <=5 bytes
// | ctrled | block: 1 leb128 <=5 bytes
// +---+- -+- -+- -+- -+ trunk: 1 leb128 <=4 bytes
// | unctrled | cksum: 1 le32 4 bytes
// +---+- -+- -+- -+- -+ total: 28 bytes
// | block |
// +---+- -+- -+- -+- -'
// | trunk |
// +---+- -+- -+- -+
// | cksum |
// '---+---+---+---'
#define LFS3_GBMAP_DSIZE (5+5+5+4+4)
#define LFS3_GBMAP_DSIZE (5+5+5+5+4+4)
typedef struct lfs3_gbmap {
lfs3_block_t cursor;
lfs3_block_t ctrled;
lfs3_block_t known;
lfs3_btree_t b;
} lfs3_gbmap_t;