tree 28aba9466ec7d7142799d97279eafc28eb7da938
parent 2abebdbca7997422bfab6bf8b6559384a6b95294
author Ilya Dryomov <ilya.dryomov@inktank.com> 1395673967 +0200
committer Sage Weil <sage@inktank.com> 1396670890 -0700

libceph: introduce pg_to_raw_osds() and raw_to_up_osds() helpers

pg_to_raw_osds() helper for computing a raw (crush) set, which can
contain non-existant and down osds.

raw_to_up_osds() helper for pruning non-existant and down osds from the
raw set, therefore transforming it into an up set, and determining up
primary.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>