doc/cephfs: Squid and later - subvolume quiesce

Add a note to the "Subvolume quiesce" section that says that the
information in the section applies only to the Squid and later releases
of Ceph. This is included here so that I don't overwrite the Reef and
Quincy documentation with irrelevant information, and so that I don't
overwrite the Squid information with blank space where the "Subvolume
quiesce" section should be.

Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit be63ca6d037a954caacb3b9737332e886a1f762f)

diff --git a/doc/cephfs/fs-volumes.rst b/doc/cephfs/fs-volumes.rst
index fe993c61b8574496c4d3807a22bd235e4d33f61e..9851363f994b6ba0ccd03a0feed66d6cd4cba1b8 100644 (file)
--- a/doc/cephfs/fs-volumes.rst
+++ b/doc/cephfs/fs-volumes.rst
@@ -797,6 +797,9 @@ pinned to one of the available ranks on the file system.
 Subvolume quiesce
 -----------------
 
+.. note:: The information in this section applies only to Squid and later
+   releases of Ceph.
+
 CephFS snapshots do not provide strong-consistency guarantees in cases involving writes
 performed by multiple clients, which makes consistent backups and disaster recovery a serious
 challenge for distributed applications. Even in a case where an application uses