iscsi: More immediate data than required data

Hi,

This question is from a iSCSI target point of view.

When a target receives more immediate data than the required data, what
should be the behavior?

Example :
Assume the target receives a write command for 2 blocks (1024 bytes).
But the associated immediate data it receives is 2048.

What should the target do
  1. Use only 1024 bytes, ignore the rest of data and return good status
  2. Return check condition (what should be the ASC/ASCQ)?
  3. Drop the connection and/or session
  4. Reject the PDU
Or something else?

Thanks
Barada

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