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Support inmemory journal

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This commit is contained in:
Vitaliy Filippov
2019-11-28 18:06:50 +03:00
parent e1ac4dba23
commit 9fa0d3325f
11 changed files with 110 additions and 29 deletions
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blockstore_open.cpp
+18 -2
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@@ -61,6 +61,12 @@ void blockstore::calc_lengths(blockstore_config_t & config)
{
throw std::runtime_error("Journal is too small");
}
if (journal.inmemory)
{
journal.buffer = memalign(512, journal.len);
if (!journal.buffer)
throw std::bad_alloc();
}
}
void check_size(int fd, uint64_t *size, std::string name)
@@ -171,10 +177,20 @@ void blockstore::open_journal(blockstore_config_t & config)
{
journal.sector_count = 32;
}
journal.sector_buf = (uint8_t*)memalign(512, journal.sector_count * 512);
journal.sector_info = (journal_sector_info_t*)calloc(journal.sector_count, sizeof(journal_sector_info_t));
if (!journal.sector_buf || !journal.sector_info)
if (!journal.sector_info)
{
throw std::bad_alloc();
}
if (config["journal_inmemory"] == "false")
{
journal.inmemory = false;
journal.sector_buf = (uint8_t*)memalign(512, journal.sector_count * 512);
if (!journal.sector_buf)
throw std::bad_alloc();
}
else
{
journal.inmemory = true;
}
}