Merge pull request ceph#59897 from avanthakkar/note-cephfs-earmark

doc: add pendingreleasenotes for cephfs subvolume earmarking feature

Reviewed-by: Rishabh Dave <[email protected]>
Reviewed-by: Neeraj Pratap Singh <[email protected]>

Author: rishabh-d-dave

PendingReleaseNotes

@@ -48,6 +48,15 @@
   CephFS does not support disk space reservation. The only flags supported are
   `FALLOC_FL_KEEP_SIZE` and `FALLOC_FL_PUNCH_HOLE`.
 
+>=19.2.1
+
+* CephFS: Command `fs subvolume create` now allows tagging subvolumes through option
+  `--earmark` with a unique identifier needed for NFS or SMB services. The earmark
+  string for a subvolume is empty by default. To remove an already present earmark,
+  an empty string can be assigned to it. Additionally, commands
+  `ceph fs subvolume earmark set`, `ceph fs subvolume earmark get` and
+  `ceph fs subvolume earmark rm` have been added to set, get and remove earmark from a given subvolume.
+
 >=19.0.0
 
 * cephx: key rotation is now possible using `ceph auth rotate`. Previously,