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Support keeping checksums on disk (not in memory)

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Definitely beneficial for SSD+HDD setups
This commit is contained in:
Vitaliy Filippov
2023-07-29 12:17:18 +03:00
parent 819cb70cdd
commit a8464c19af
8 changed files with 99 additions and 29 deletions
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src/blockstore_impl.h
+4 -3
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@@ -269,7 +269,7 @@ class blockstore_impl_t
std::map<pool_id_t, pool_shard_settings_t> clean_db_settings;
std::map<pool_pg_id_t, blockstore_clean_db_t> clean_db_shards;
uint8_t *clean_dyn_data = NULL;
uint8_t *clean_bitmaps = NULL;
blockstore_dirty_db_t dirty_db;
std::vector<blockstore_op_t*> submit_queue;
std::vector<obj_ver_id> unsynced_big_writes, unsynced_small_writes;
@@ -347,11 +347,12 @@ class blockstore_impl_t
bool read_range_fulfilled(std::vector<copy_buffer_t> & rv, uint64_t & fulfilled, uint8_t *read_buf,
uint8_t *clean_entry_bitmap, uint32_t item_start, uint32_t item_end);
bool read_checksum_block(blockstore_op_t *op, int rv_pos, uint64_t &fulfilled, uint64_t clean_loc);
bool verify_padded_checksums(uint8_t *clean_entry_bitmap, bool is_journal, uint32_t offset,
uint8_t* read_clean_meta_block(blockstore_op_t *read_op, uint64_t clean_loc, int rv_pos);
bool verify_padded_checksums(uint8_t *clean_entry_bitmap, uint8_t *csum_buf, uint32_t offset,
iovec *iov, int n_iov, std::function<void(uint32_t, uint32_t, uint32_t)> bad_block_cb);
bool verify_journal_checksums(uint8_t *csums, uint32_t offset,
iovec *iov, int n_iov, std::function<void(uint32_t, uint32_t, uint32_t)> bad_block_cb);
bool verify_clean_padded_checksums(blockstore_op_t *op, uint64_t clean_loc, iovec *iov, int n_iov);
bool verify_clean_padded_checksums(blockstore_op_t *op, uint64_t clean_loc, uint8_t *csum_buf, iovec *iov, int n_iov);
int fulfill_read_push(blockstore_op_t *op, void *buf, uint64_t offset, uint64_t len,
uint32_t item_state, uint64_t item_version);
void handle_read_event(ring_data_t *data, blockstore_op_t *op);