ternblocks: split into few files, add unit-tests, prepare for dynamic blockservice config#119
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ternblocks: split into few files, add unit-tests, prepare for dynamic blockservice config#119
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All blocks are now stored with page CRCs. The with_crc subdirectory level is no longer needed. The blockservice package will handle migrating existing on-disk data on startup.
…zero-copy fetch Split block storage operations into a reusable blockservice package: - BlockService: lifecycle management, write/erase/check/fetch operations - GetBlockFileForFetch: returns raw *os.File for zero-copy sendfile transfers - GetBlockReader: CRC-validating reader with optional CRC stripping - pageCrcReader/pageCrcWriter: page-level CRC32C validation streams - CGo-based fast block counting via getdents syscall - One-time with_crc directory migration on startup - Add blockservice unit tests
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