Re: [PATCH 1/1] block: Add discard to stats.

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Michael Callahan <coder.callahan@xxxxxxxxx> writes:

> Tested iostat more and it appears to work fine with this patch.

What exactly did you test?  I've got sysstat 10.1.5 here, and with your
patch, I get no statistics output from iostat -x:

# iostat -x
Linux 4.6.0-rc5+ (slayer.lab.bos.redhat.com) 	05/05/16 	_x86_64_	(4 CPU)

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.31    0.00    0.17    0.52    0.00   99.00

Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await r_await w_await  svctm  %util

# 

I just grabbed 11.3.4, and it also shows the same behavior.

Cheers,
Jeff
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