Merge PR ceph#53836 into main

vshankar · vshankar · commit 3844ff224e38 · 2023-10-05T20:58:33.000+05:30
* refs/pull/53836/head:
	PendingReleaseNotes: add a note about disallowing delegating inodes
	qa: start testing mds_client_delegate_inos_pct config
	mds: disable delegating inode ranges to clients

Reviewed-by: Milind Changire &lt;mchangir@redhat.com&gt;
Reviewed-by: Dhairya Parmar &lt;dparmar@redhat.com&gt;
diff --git a/PendingReleaseNotes b/PendingReleaseNotes
@@ -50,6 +50,9 @@
   recommend that users with versioned buckets, especially those that existed
   on prior releases, use these new tools to check whether their buckets are
   affected and to clean them up accordingly.
+CephFS: Disallow delegating preallocated inode ranges to clients. Config
+  `mds_client_delegate_inos_pct` defaults to 0 which disables async dirops
+  in the kclient.
 
 >=18.0.0
 
diff --git a/qa/suites/fs/workload/delegate_inos/default.yaml b/qa/suites/fs/workload/delegate_inos/default.yaml
@@ -0,0 +1 @@
+# Use default (0)
diff --git a/qa/suites/fs/workload/delegate_inos/enabled.yaml b/qa/suites/fs/workload/delegate_inos/enabled.yaml
@@ -0,0 +1,5 @@
+overrides:
+  ceph:
+    conf:
+      mds:
+        mds_client_delegate_inos_pct: 50
diff --git a/src/common/options/mds.yaml.in b/src/common/options/mds.yaml.in
@@ -454,7 +454,7 @@ options:
   type: uint
   level: advanced
   desc: percentage of preallocated inos to delegate to client
-  default: 50
+  default: 0
   services:
   - mds
   flags:

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +overrides:
 +  ceph:
 +    conf:
 +      mds:
 +        mds_client_delegate_inos_pct: 50