From e11b05d31f21f0ea39ea288af667887cd6c21c80 Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Mon, 12 Dec 2011 09:35:22 -0800 Subject: crush: fix force for non-root TAKE Signed-off-by: Sage Weil --- net/ceph/crush/mapper.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'net') diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c index 3a94eae7abe9..b79747c4b645 100644 --- a/net/ceph/crush/mapper.c +++ b/net/ceph/crush/mapper.c @@ -510,10 +510,15 @@ int crush_do_rule(struct crush_map *map, switch (rule->steps[step].op) { case CRUSH_RULE_TAKE: w[0] = rule->steps[step].arg1; - if (force_pos >= 0) { - BUG_ON(force_context[force_pos] != w[0]); + + /* find position in force_context/hierarchy */ + while (force_pos >= 0 && + force_context[force_pos] != w[0]) force_pos--; - } + /* and move past it */ + if (force_pos >= 0) + force_pos--; + wsize = 1; break; -- cgit v1.2.3