From: Sage Weil <sage@newdream.net>
Date: Mon, 19 Oct 2009 18:41:51 +0000 (-0700)
Subject: ceph: include preferred osd in placement seed
X-Git-Tag: v2.6.34-rc2~9^2~159
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee7fdfaff7702bd209e3a013b2fc4643233f5465;p=pandora-kernel.git

ceph: include preferred osd in placement seed

Mix the preferred osd (if any) into the placement seed that is fed into
the CRUSH object placement calculation.  This prevents all the placement
pgs from peering with the same osds.

Rev the osd client protocol with this change.

Signed-off-by: Sage Weil <sage@newdream.net>
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