doc/cephfs: link section for pausing async threads in section for...

disabling volumes plugin part.

Fixes: https://tracker.ceph.com/issues/70479
Signed-off-by: Rishabh Dave <[email protected]>

Author: rishabh-d-dave

doc/cephfs/fs-volumes.rst

@@ -1588,7 +1588,8 @@ services on the Ceph cluster accessed through this plugin.
 Before resorting to a measure as drastic as this, it is a good idea to try less
 drastic measures and then assess if the file system experience has improved due
 to it. One example of such less drastic measure is to disable asynchronous
-threads launched by volumes plugins for cloning and purging trash.
+threads launched by volumes plugins for cloning and purging trash. For details
+on these see: :ref:`pause-purge-threads` and :ref:`pause-clone-threads`.
 
 
 .. _manila: https://github.com/openstack/manila

doc/cephfs/troubleshooting.rst

@@ -134,6 +134,7 @@ things to do:
   be changed in such circumstances, run the command to change ``max_mds`` with
   the confirmation flag (``--yes-i-really-mean-it``)
 
+.. _pause-purge-threads:
 * **Turn off async purge threads** The volumes plugin spawns threads for
   asynchronously purging trashed/deleted subvolumes. To help troubleshooting or
   recovery effort, these purge threads can be disabled using:
@@ -146,6 +147,7 @@ things to do:
 
     ceph config set mgr mgr/volumes/pause_purging false
 
+.. _pause-clone-threads:
 * **Turn off async cloner threads** The volumes plugin spawns threads for
   asynchronously cloning subvolume snapshots. To help troubleshooting or
   recovery effort, these cloner threads can be disabled using: