doc/cephfs-shell: Add df 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 8e0be45d6bc453d509631c4e4b8dca86ed1030b1..1001c8b11617a40b6d6239b9649c6c01749b6d81 100644 (file)
--- a/doc/cephfs/cephfs-shell.rst
+++ b/doc/cephfs/cephfs-shell.rst
@@ -441,3 +441,17 @@ Usage :
 
 Options:
   -h, --help   Shows the help message
+
+df
+--
+
+Display amount of available disk space
+
+Usage :
+
+    df [-h] [file [file ...]]
+
+* file - name of the file
+
+Options:
+  -h, --help   Shows the help message