PendingReleaseNotes: add note on the client incompatibility health warning and featur...

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
(cherry picked from commit e70f005f1b2f4ba5466d254ec4a6432297d3fbf4)

diff --git a/PendingReleaseNotes b/PendingReleaseNotes
index 173de414fbfc8e13f7a1f499f660631025619b35..11123229415c0fa44942264bd16e2295b34f6a79 100644 (file)
--- a/PendingReleaseNotes
+++ b/PendingReleaseNotes
@@ -178,6 +178,13 @@ CephFS: Disallow delegating preallocated inode ranges to clients. Config
 * RBD: `RBD_IMAGE_OPTION_FLATTEN` option has been exposed in Python bindings via
   `flatten` optional parameter to `deep_copy` and `migration_prepare` methods.
 
+* CephFS: fixes to the implementation of the ``root_squash`` mechanism enabled
+  via cephx ``mds`` caps on a client credential require a new client feature
+  bit, ``client_mds_auth_caps``. Clients using credentials with ``root_squash``
+  without this feature will trigger the MDS to raise a HEALTH_ERR on the
+  cluster, MDS_CLIENTS_BROKEN_ROOTSQUASH. See the documentation on this warning
+  and the new feature bit for more information.
+
 >=18.0.0
 
 * The RGW policy parser now rejects unknown principals by default. If you are