osd: Handle configuration changes to mclock config options

Handle configuration changes to the mclock cost per io, the max
capacity options and the mclock profile. Handle the case where the
profile is changed from a built-in profile to the custom profile.

Signed-off-by: Sridhar Seshasayee <sseshasa@redhat.com>

diff --git a/src/osd/scheduler/mClockScheduler.cc b/src/osd/scheduler/mClockScheduler.cc
index 2b3619111bd3a8f85345c83276ac7e39e38ccb96..74118dca4395ddff59c9b30e72e42a005c2e3c0f 100644 (file)
--- a/src/osd/scheduler/mClockScheduler.cc
+++ b/src/osd/scheduler/mClockScheduler.cc
@@ -418,7 +418,34 @@ void mClockScheduler::handle_conf_change(
   const ConfigProxy& conf,
   const std::set<std::string> &changed)
 {
-  client_registry.update_from_config(conf);
+  if (changed.count("osd_mclock_cost_per_io_msec") ||
+      changed.count("osd_mclock_cost_per_io_msec_hdd") ||
+      changed.count("osd_mclock_cost_per_io_msec_ssd")) {
+    set_osd_mclock_cost_per_io();
+  }
+  if (changed.count("osd_mclock_max_capacity_iops") ||
+      changed.count("osd_mclock_max_capacity_iops_hdd") ||
+      changed.count("osd_mclock_max_capacity_iops_ssd")) {
+    set_max_osd_capacity();
+    enable_mclock_profile();
+    client_registry.update_from_config(conf);
+  }
+  if (changed.count("osd_mclock_profile")) {
+    enable_mclock_profile();
+    if (mclock_profile != "custom") {
+      client_registry.update_from_config(conf);
+    }
+  }
+  if (changed.count("osd_mclock_scheduler_client_res") ||
+      changed.count("osd_mclock_scheduler_client_wgt") ||
+      changed.count("osd_mclock_scheduler_client_lim") ||
+      changed.count("osd_mclock_scheduler_background_recovery_res") ||
+      changed.count("osd_mclock_scheduler_background_recovery_wgt") ||
+      changed.count("osd_mclock_scheduler_background_recovery_lim")) {
+    if (mclock_profile == "custom") {
+      client_registry.update_from_config(conf);
+    }
+  }
 }
 
 }