doc/cephfs-shell: Add du command usage

Fixes: https://tracker.ceph.com/issues/44788
Signed-off-by: Varsha Rao <varao@redhat.com>

diff --git a/doc/cephfs/cephfs-shell.rst b/doc/cephfs/cephfs-shell.rst
index 1001c8b11617a40b6d6239b9649c6c01749b6d81..aed5a7ec91c692f57a60aded0526cd0de53623c8 100644 (file)
--- a/doc/cephfs/cephfs-shell.rst
+++ b/doc/cephfs/cephfs-shell.rst
@@ -455,3 +455,19 @@ Usage :
 
 Options:
   -h, --help   Shows the help message
+
+du
+--
+
+Show disk usage of a directory
+
+Usage :
+
+    du [-h] [-r] [paths [paths ...]]
+
+* paths - name of the directory
+
+Options:
+  -h, --help   Shows the help message
+
+  -r     Recursive Disk usage of all directories