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os/bluestore/KernelDevice: implement thin utilization stats for VDO
authorSage Weil <sage@redhat.com>
Wed, 21 Feb 2018 17:13:06 +0000 (11:13 -0600)
committerSage Weil <sage@redhat.com>
Mon, 2 Apr 2018 20:19:19 +0000 (15:19 -0500)
commit97ca41ce1806c32e56fab74e50c58d5f939e8713
treeb84235ef84811a852614146752ace89b7690a776
parent266d1649cf1d57ab32a71a39347bb418a4490c78
os/bluestore/KernelDevice: implement thin utilization stats for VDO

Detect if we are a VDO device.  If so, pull the stats out of sysfs so that
we can report meaningful utilization numbers.

Signed-off-by: Sage Weil <sage@redhat.com>
src/os/bluestore/KernelDevice.cc
src/os/bluestore/KernelDevice.h