Eli Cohen wrote:
On Mon, 2007-05-07 at 15:04 +0300, Michael S. Tsirkin wrote:
How likely is this to help in practice?
Like I said, when the system is very busy. In this case the command may
actually complete very soon but wait_for_completion_timeout() will
nevertheless return zero since the task did not get CPU time before the
specified timeout expired. In this case we would like to check if done
is signaled and thus not fail the command.
This is not a theoretical issue - we actually saw this problem here with
some tests.
Tziporet
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