From: Ilya Dryomov <ilya.dryomov@inktank.com>
Date: Mon, 24 Mar 2014 15:12:47 +0000 (+0200)
Subject: libceph: introduce pg_to_raw_osds() and raw_to_up_osds() helpers
X-Git-Tag: v3.15-rc1~61^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2bd93d4d7ec2dd461cfb87c6d8a9b1ef9b30de08;p=pandora-kernel.git

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>
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