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authorIlya Dryomov <ilya.dryomov@inktank.com>2014-05-09 18:27:34 +0400
committerIlya Dryomov <ilya.dryomov@inktank.com>2014-05-16 21:29:55 +0400
commitf140662f35a7332b5c3188ee667856323783ed5a (patch)
tree483dab63de78cfb269332e5b5792811ad5a890b5 /net
parent178eda29ca721842f2146378e73d43e0044c4166 (diff)
downloadlinux-f140662f35a7332b5c3188ee667856323783ed5a.tar.bz2
crush: decode and initialize chooseleaf_vary_r
Commit e2b149cc4ba0 ("crush: add chooseleaf_vary_r tunable") added the crush_map::chooseleaf_vary_r field but missed the decode part. This lead to misdirected requests caused by incorrect raw crush mapping sets. Fixes: http://tracker.ceph.com/issues/8226 Reported-and-Tested-by: Dmitry Smirnov <onlyjob@member.fsf.org> Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com> Reviewed-by: Sage Weil <sage@inktank.com>
Diffstat (limited to 'net')
-rw-r--r--net/ceph/osdmap.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 8b8a5a24b223..c547e46084d3 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -329,6 +329,11 @@ static struct crush_map *crush_decode(void *pbyval, void *end)
dout("crush decode tunable chooseleaf_descend_once = %d",
c->chooseleaf_descend_once);
+ ceph_decode_need(p, end, sizeof(u8), done);
+ c->chooseleaf_vary_r = ceph_decode_8(p);
+ dout("crush decode tunable chooseleaf_vary_r = %d",
+ c->chooseleaf_vary_r);
+
done:
dout("crush_decode success\n");
return c;