xfstest 129 slowness

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In trying to debug xfstest 129 I noticed odd behavior to Windows server

test 129 does 4 steps, and the second one is the very slow step

$here/src/looptest -i 100000 -r -w -b 8192 -s
$SCRATCH_MNT/looptest/looptest1.tst
$here/src/looptest -i 10000 -t -r -w -s -b 102400
$SCRATCH_MNT/looptest/looptest2.tst
$here/src/looptest -i 50000 -r -w -b 256 -s $SCRATCH_MNT/looptest/looptest3.tst
$here/src/looptest -i 2000 -o -r -w -b 8192 -s
$SCRATCH_MNT/looptest/looptest4.tst


So the problem is the second invocation of looptest - when it is doing
10,000 102,400 byte sequential writes and reads passing in the
truncate flag.  What I see in the network trace (at least to Windows
server) that is troubling is lots of "STATUS_PENDING" errors in the
write responses.

It appears that the test runs much faster to Samba
-- 
Thanks,

Steve



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