Commit 7d7c1f61 authored Jan 15, 2013 by Sage Weil Committed by Alex Elder Jan 17, 2013

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>

parent 1604f488

net/ceph/crush/mapper.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -392,7 +392,7 @@ static int crush_choose(const struct crush_map *map,
		}

		reject = 0;
		if (recurse_to_leaf) {
		if (!collide && recurse_to_leaf) {
		if (item < 0) {
		if (crush_choose(map,
		map->buckets[-1-item],