From 6f3bfd45cd233eea0b07e3cabc0386b5de9321d2 Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@gmail.com>
Date: Thu, 28 Apr 2016 16:07:22 +0200
Subject: libceph: ceph_osds, ceph_pg_to_up_acting_osds()

Knowning just acting set isn't enough, we need to be able to record up
set as well to detect interval changes.  This means returning (up[],
up_len, up_primary, acting[], acting_len, acting_primary) and passing
it around.  Introduce and switch to ceph_osds to help with that.

Rename ceph_calc_pg_acting() to ceph_pg_to_up_acting_osds() and return
both up and acting sets from it.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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