Use zero checksum size for zero-length writes
parent
71674d00cf
commit
d6ee1ca17c
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@ -51,7 +51,7 @@ struct blockstore_disk_t
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inline uint64_t dirty_dyn_size(uint64_t offset, uint64_t len)
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inline uint64_t dirty_dyn_size(uint64_t offset, uint64_t len)
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{
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{
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// Checksums may be partial if write is not aligned with csum_block_size
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// Checksums may be partial if write is not aligned with csum_block_size
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return clean_entry_bitmap_size + (csum_block_size
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return clean_entry_bitmap_size + (csum_block_size && len > 0
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? ((offset+len+csum_block_size-1)/csum_block_size - offset/csum_block_size)
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? ((offset+len+csum_block_size-1)/csum_block_size - offset/csum_block_size)
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* (data_csum_type & 0xFF)
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* (data_csum_type & 0xFF)
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: 0);
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: 0);
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