doc: update inf/infinite option for subvolume resize

Fixes: https://tracker.ceph.com/issues/42479
Signed-off-by: Jos Collin <jcollin@redhat.com>

diff --git a/doc/cephfs/fs-volumes.rst b/doc/cephfs/fs-volumes.rst
index 1673259fcfbff39d0b435d62b2930cde4cdfd59d..6d4a0d7c0d38a2461608091d7ff9c56ba90a2fb4 100644 (file)
--- a/doc/cephfs/fs-volumes.rst
+++ b/doc/cephfs/fs-volumes.rst
@@ -148,6 +148,8 @@ Resize a subvolume using::
 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.
 
+The subvolume can be resized to an infinite size by passing 'inf' or 'infinite' as the new_size.
+
 Fetch the absolute path of a subvolume using::
 
     $ ceph fs subvolume getpath <vol_name> <subvol_name> [--group_name <subvol_group_name>]