From: Ilya Dryomov Date: Tue, 24 Dec 2013 19:19:26 +0000 (+0200) Subject: crush: add SET_CHOOSE_TRIES rule step X-Git-Tag: v3.14-rc1~71^2~37 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cc10df4a3a5c34cb1d5b635ac70dd1fc406153ce;p=kernel%2Fkernel-generic.git crush: add SET_CHOOSE_TRIES rule step Since we can specify the recursive retries in a rule, we may as well also specify the non-recursive tries too for completeness. Reflects ceph.git commit d1b97462cffccc871914859eaee562f2786abfd1. Signed-off-by: Ilya Dryomov Reviewed-by: Sage Weil --- diff --git a/include/linux/crush/crush.h b/include/linux/crush/crush.h index 07b8fd4..5f95969 100644 --- a/include/linux/crush/crush.h +++ b/include/linux/crush/crush.h @@ -47,7 +47,8 @@ enum { CRUSH_RULE_CHOOSE_LEAF_FIRSTN = 6, CRUSH_RULE_CHOOSE_LEAF_INDEP = 7, - CRUSH_RULE_SET_CHOOSE_LEAF_TRIES = 9, + CRUSH_RULE_SET_CHOOSE_TRIES = 8, /* override choose_total_tries */ + CRUSH_RULE_SET_CHOOSE_LEAF_TRIES = 9, /* override chooseleaf_descend_once */ }; /* diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c index c343205..a1acdea 100644 --- a/net/ceph/crush/mapper.c +++ b/net/ceph/crush/mapper.c @@ -661,6 +661,11 @@ int crush_do_rule(const struct crush_map *map, wsize = 1; break; + case CRUSH_RULE_SET_CHOOSE_TRIES: + if (curstep->arg1 > 0) + choose_tries = curstep->arg1; + break; + case CRUSH_RULE_SET_CHOOSE_LEAF_TRIES: if (curstep->arg1 > 0) choose_leaf_tries = curstep->arg1;