doc: fs subvolume resize command

Fixes: https://tracker.ceph.com/issues/41182
Signed-off-by: Jos Collin <jcollin@redhat.com>
(cherry picked from commit 04b6b737153940c852c4b6771fb53a74a0c73bbe)

diff --git a/doc/cephfs/fs-volumes.rst b/doc/cephfs/fs-volumes.rst
index af0f1154a81230c17f98108dd3181352b25f9412..66b9f64b2980c647838dd8830402d3947bf6eb14 100644 (file)
--- a/doc/cephfs/fs-volumes.rst
+++ b/doc/cephfs/fs-volumes.rst
@@ -133,6 +133,12 @@ The removal of a subvolume fails if it has snapshots, or is non-existent.
 Using the '--force' flag allows the command to succeed even if the subvolume is
 non-existent.
 
+Resize a subvolume using::
+
+    $ ceph fs subvolume resize <vol_name> <subvol_name> <new_size> [--group_name <subvol_group_name>] [--no_shrink]
+
+The command resizes the subvolume quota using the size specified by 'new_size'.
+'--no_shrink' flag prevents the subvolume to shrink below the current used size of the subvolume.
 
 Fetch the absolute path of a subvolume using::