Sage Weil 7d7c1f6136 crush: avoid recursion if we have already collided
This saves us some cycles, but does not affect the placement result at
all.

This corresponds to ceph.git commit 4abb53d4f.

Signed-off-by: Sage Weil <sage@inktank.com>
2013-01-17 12:42:39 -06:00
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