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Integrate "heap" metadata storage into blockstore

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This commit is contained in:
Vitaliy Filippov
2025-12-02 01:52:11 +03:00
parent 8430104c19
commit 8ff2c268f7
34 changed files with 8166 additions and 5398 deletions
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src/blockstore/ondisk_formats.h
+17
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@@ -148,6 +148,7 @@ inline uint32_t je_crc32(journal_entry *je)
#define BLOCKSTORE_META_MAGIC_V1 0x726F747341544956l
#define BLOCKSTORE_META_FORMAT_V1 1
#define BLOCKSTORE_META_FORMAT_V2 2
#define BLOCKSTORE_META_FORMAT_HEAP 3
// metadata header (superblock)
struct __attribute__((__packed__)) blockstore_meta_header_v1_t
@@ -173,6 +174,22 @@ struct __attribute__((__packed__)) blockstore_meta_header_v2_t
uint32_t header_csum;
};
struct __attribute__((__packed__)) blockstore_meta_header_v3_t
{
uint64_t zero;
uint64_t magic;
uint64_t version;
uint32_t meta_block_size;
uint32_t data_block_size;
uint32_t bitmap_granularity;
uint32_t data_csum_type;
uint32_t csum_block_size;
uint32_t header_csum;
uint64_t compacted_lsn;
void set_crc32c();
};
// 32 bytes = 24 bytes + block bitmap (4 bytes by default) + external attributes (also bitmap, 4 bytes by default)
// per "clean" entry on disk with fixed metadata tables
struct __attribute__((__packed__)) clean_disk_entry