[SRU][Xenial][PATCH 4/6] crush: decode and initialize chooseleaf_stable

[Billy Olsen]

From: Ilya Dryomov <idryomov at gmail.com>

BugLink: https://bugs.launchpad.net/bugs/1728739

Also add missing \n while at it.

Signed-off-by: Ilya Dryomov <idryomov at gmail.com>
Reviewed-by: Sage Weil <sage at redhat.com>
(cherry picked from commit b9b519b78cfbef9ed1b7aabca63eaaa9d1682a71)
Signed-off-by: Billy Olsen <billy.olsen at canonical.com>
---
 net/ceph/osdmap.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index bc95e48d5cfb..94a9acbee51e 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -342,23 +342,32 @@ static struct crush_map *crush_decode(void *pbyval, void *end)
         c->choose_local_tries = ceph_decode_32(p);
         c->choose_local_fallback_tries =  ceph_decode_32(p);
         c->choose_total_tries = ceph_decode_32(p);
-        dout("crush decode tunable choose_local_tries = %d",
+        dout("crush decode tunable choose_local_tries = %d\n",
              c->choose_local_tries);
-        dout("crush decode tunable choose_local_fallback_tries = %d",
+        dout("crush decode tunable choose_local_fallback_tries = %d\n",
              c->choose_local_fallback_tries);
-        dout("crush decode tunable choose_total_tries = %d",
+        dout("crush decode tunable choose_total_tries = %d\n",
              c->choose_total_tries);
 
 	ceph_decode_need(p, end, sizeof(u32), done);
 	c->chooseleaf_descend_once = ceph_decode_32(p);
-	dout("crush decode tunable chooseleaf_descend_once = %d",
+	dout("crush decode tunable chooseleaf_descend_once = %d\n",
 	     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",
+	dout("crush decode tunable chooseleaf_vary_r = %d\n",
 	     c->chooseleaf_vary_r);
 
+	/* skip straw_calc_version, allowed_bucket_algs */
+	ceph_decode_need(p, end, sizeof(u8) + sizeof(u32), done);
+	*p += sizeof(u8) + sizeof(u32);
+
+	ceph_decode_need(p, end, sizeof(u8), done);
+	c->chooseleaf_stable = ceph_decode_8(p);
+	dout("crush decode tunable chooseleaf_stable = %d\n",
+	     c->chooseleaf_stable);
+
 done:
 	dout("crush_decode success\n");
 	return c;
-- 
2.14.1