doc/cephfs: update docs since "subvolume info" cmd output can also...

contain source field in it.

Resolves: rhbz#2349154
Signed-off-by: Rishabh Dave <ridave@redhat.com>
(cherry picked from commit 0a029149df824ef0f026af912925d809b31862ef)
(cherry picked from commit 4a1c47909d3a10bf2645373528ec436ace6db466)

Conflicts:
doc/cephfs/fs-volumes.rst
- Absence of fscrypt work on upstream branch but its presence on this
  downstream branch led to this conflict.

diff --git a/doc/cephfs/fs-volumes.rst b/doc/cephfs/fs-volumes.rst
index 763607a2cbdffc586212ccc067c873c544e866ba..9518621af8348e44a507a90362c981e9a42c3ab0 100644 (file)
--- a/doc/cephfs/fs-volumes.rst
+++ b/doc/cephfs/fs-volumes.rst
@@ -509,6 +509,10 @@ The output format is JSON and contains the following fields.
 * ``state``: current state of the subvolume
 * ``earmark``: earmark of the subvolume
 * ``enctag``: Encryption tag of the subvolume
+* ``source``: exists only if subvolume is a clone. It contains name of the
+  source snapshot and names of the volume, subvolume group and subvolume in
+  which the source snapshot is located. If the clone was created with Tentacle
+  or earlier release, value of this field is 'N/A'.
 
 If a subvolume has been removed but its snapshots have been retained, the
 output contains only the following fields.