[PATCH] mount.cifs.rst: update prefix mount option description.

[PATCH] mount.cifs.rst: update prefix mount option description.

[Kenneth D'souza]

This option is ignored after kernel v3.10

Signed-off-by: Kenneth D'souza <kdsouza@redhat.com>
---
 mount.cifs.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mount.cifs.rst b/mount.cifs.rst
index ee5086c..f1a57d1 100644
--- a/mount.cifs.rst
+++ b/mount.cifs.rst
@@ -590,7 +590,8 @@ prefixpath=arg
   It's possible to mount a subdirectory of a share. The preferred way to
   do this is to append the path to the UNC when mounting. However, it's
   also possible to do the same by setting this option and providing the
-  path there.
+  path there. This option is provided for backward compatibility.
+  It is ignored after kernel v3.10
 
 vers=arg
   SMB protocol version. Allowed values are:
-- 
2.21.0