doc/cephfs: add snapshot name note

The charmap is not applied to snapshot names!

Signed-off-by: Patrick Donnelly <pdonnell@ibm.com>

diff --git a/doc/cephfs/charmap.rst b/doc/cephfs/charmap.rst
index 208100f37c3138d5726cfd21d978cc1ede9f9664..8566b9110355cefe3b171415456b606bc788cee1 100644 (file)
--- a/doc/cephfs/charmap.rst
+++ b/doc/cephfs/charmap.rst
@@ -40,6 +40,7 @@ inherit (copy) the parent's configuration.
           the configuration so long as the preconditions apply: it is empty
           and not part of an existing snapshot.
 
+.. warning:: The charmap is not applied to snapshot names. Snapshots names are always case-sensitive and not normalized.
 
 Normalization
 -------------