2.2.7.2.2.3 FSCTL_SRV_COPYCHUNK Response
The FSCTL_SRV_COPYCHUNK response format is a special case of NT_TRANSACT_IOCTL subcommand. Only the FSCTL_SRV_COPYCHUNK response specifics are described here.
NT_Trans_Parameters
No NT Trans parameters are sent in this response.
NT_Trans_Data
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NT_Trans_Data { ULONG ChunksWritten; ULONG ChunkBytesWritten; ULONG TotalBytesWritten; }
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ChunksWritten |
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ChunkBytesWritten |
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TotalBytesWritten |
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ChunksWritten (4 bytes): This field MUST represent the number of copychunk operations successfully processed by the server.
ChunkBytesWritten (4 bytes): This field is unused. This field MUST be set to zero by the server and MUST be ignored by the client.
TotalBytesWritten (4 bytes): This field MUST represent the total number of bytes written to the destination file across all copychunk operations.