Fix txg_wait_open() load average inflation

Callers of txg_wait_open() which set should_quiesce=B_TRUE should be
accounted for as iowait time.  Otherwise, the caller is understood
to be idle and cv_wait_sig() is used to prevent incorrectly inflating
the system load average.

Similarly txg_wait_wait() has been updated to use cv_wait_io() to
be accounted against iowait.

Reviewed-by: Tim Chase <[email protected]>
Reviewed-by: Olaf Faaland <[email protected]>
Reviewed-by: Matt Ahrens <[email protected]>
Reviewed-by: George Melikov <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #8550
Closes #8558 

0 files changed, 0 insertions, 0 deletions