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Implement large csum_block_size support (more than 4k) + refactor blockstore_flush

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This commit is contained in:
Vitaliy Filippov
2023-07-29 12:17:18 +03:00
parent 0b0405d115
commit 7d532880c3
17 changed files with 1548 additions and 602 deletions
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src/blockstore_disk.cpp
+2 -6
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@@ -122,11 +122,6 @@ void blockstore_disk_t::parse_config(std::map<std::string, std::string> & config
{
throw std::runtime_error("Checksum block size must be a divisor of data block size");
}
if (csum_block_size && csum_block_size != bitmap_granularity)
{
// FIXME: Support other checksum block sizes (with read-modify-write)
throw std::runtime_error("Checksum block sizes other than bitmap_granularity are not supported yet");
}
if (meta_device == "")
{
meta_device = data_device;
@@ -144,7 +139,8 @@ void blockstore_disk_t::parse_config(std::map<std::string, std::string> & config
throw std::runtime_error("journal_offset must be a multiple of journal_block_size = "+std::to_string(journal_block_size));
}
clean_entry_bitmap_size = data_block_size / bitmap_granularity / 8;
clean_dyn_size = clean_entry_bitmap_size + dirty_dyn_size(data_block_size);
clean_dyn_size = clean_entry_bitmap_size*2 + (csum_block_size
? data_block_size/csum_block_size*(data_csum_type & 0xFF) : 0);
clean_entry_size = sizeof(clean_disk_entry) + clean_dyn_size + 4 /*entry_csum*/;
}