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

2023-07-29 12:17:18 +03:00
parent 0b0405d115
commit 7d532880c3
17 changed files with 1548 additions and 602 deletions
@@ -48,8 +48,12 @@ struct blockstore_disk_t
    void calc_lengths(bool skip_meta_check = false);
    void close_all();

-    inline uint64_t dirty_dyn_size(uint64_t len)
+    inline uint64_t dirty_dyn_size(uint64_t offset, uint64_t len)
    {
-        return clean_entry_bitmap_size + (csum_block_size ? len/csum_block_size * (data_csum_type & 0xFF) : 0);
+        // Checksums may be partial if write is not aligned with csum_block_size
+        return clean_entry_bitmap_size + (csum_block_size
+            ? ((offset+len+csum_block_size-1)/csum_block_size - offset/csum_block_size)
+                * (data_csum_type & 0xFF)
+            : 0);
    }
 };