I am trying to prevent write from DomU for particular sector of hardisk
which is passed through QEMU device.

I am putting an error condition in ide.c  using API
ide_handle_write_error(s, -ret,  BM_STATUS_ERROR) called from
ide_write_dma_cb, however DomU is still going ahead and writing to those
sectors.
Is there a way to prevent DomU from writing to certain sector of hard disk
as well as propagate those error back to DomU saying, "Write error" or some
message so that user is notified of error writing to certain sectors of
disk.


Regards
Shakil
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