IDE-HD, IDE-ATAPI and IDE-CFATA all fill the
identify buffer in slightly different ways,
this is a relatively minor patch to make them
uniform, to emphasize that:
(1) We build the s->identify_data cache first, then
(2) We copy it to s->io_buffer to fulfill the request.
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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