Anthony Liguori wrote:
Uri Lublin wrote:
Anthony Liguori wrote:
I have already cut your text, but I don't understand the comment about
not being "full duplex". Is there a reason why migration needs to be
bidirectional? I don't think there's a fundamental reason it needs to
be and I think there are some advantages to it being unidirectional.
Avi was concerned that my patch makes QEMUFile uni-directional, so I assumed you
are trying to "fix" that too. Unidirectional-only usage of QEMUFile was working.
The problem was that the fd implementation registered both get_buffer and
put_buffer. If you never register both non-NULL get_buffer and put_buffer
(unidirectional), then you do not need the is_write field.
Adding the error checking is valuable.
Thanks,
Uri.
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