Commit 98ba6af7 authored by Ilya Dryomov's avatar Ilya Dryomov

crush: do is_out test only if we do not collide

The is_out() test may require an additional hashing operation, so we
should skip it whenever possible.

Reflects ceph.git commit db107cc7f15cf2481894add325dc93e33479f529.
Signed-off-by: default avatarIlya Dryomov <>
parent df963ea8
......@@ -552,14 +552,12 @@ static int crush_choose_firstn(const struct crush_map *map,
if (!reject) {
if (!reject && !collide) {
/* out? */
if (itemtype == 0)
reject = is_out(map, weight,
item, x);
reject = 0;
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