qa: add filesystem helper for setting transient config

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>

diff --git a/qa/tasks/cephfs/filesystem.py b/qa/tasks/cephfs/filesystem.py
index d18f699b113ade8b3767fa18ba8dd836b6b6887a..2f0c4ab03caf64eefca7dd328e77cf450aa62d2a 100644 (file)
--- a/qa/tasks/cephfs/filesystem.py
+++ b/qa/tasks/cephfs/filesystem.py
@@ -595,6 +595,10 @@ class Filesystem(MDSCluster):
         a = map(lambda x: str(x).lower(), args)
         self.run_ceph_cmd("fs", "flag", "set", var, *a)
 
+    def set_config(self, opt, val, rank=0, status=None):
+        command = ["config", "set", opt, val]
+        self.rank_asok(command, rank, status=status)
+
     def set_allow_multifs(self, yes=True):
         self.set_flag("enable_multiple", yes)