librbd: default localize parent reads to false

Fixes: http://tracker.ceph.com/issues/20941
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
(cherry picked from commit cfc3d4603668e23232c2f0b9af6fd838040f47ec)

diff --git a/src/common/options.cc b/src/common/options.cc
index 507aabb548fe998e6860dd04b3964f97090cf8d2..67885f79d545c920c8dd049f86d726da66af9797 100644 (file)
--- a/src/common/options.cc
+++ b/src/common/options.cc
@@ -5085,7 +5085,7 @@ static std::vector<Option> get_rbd_options() {
     .set_description(""),
 
     Option("rbd_localize_parent_reads", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)
-    .set_default(true)
+    .set_default(false)
     .set_description(""),
 
     Option("rbd_readahead_trigger_requests", Option::TYPE_INT, Option::LEVEL_ADVANCED)