cifs: Minor Kconfig clarification

Clarify the use of the CONFIG_DFS_UPCALL for DNS name resolution
when server ip addresses change (e.g. on long running mounts)

Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig
index 85dadb93c9926cad276833c82c5045f71e52ca16..f1ddc9d03c101822fd9f5be0b9064f0d1ba1efde 100644 (file)
--- a/fs/cifs/Kconfig
+++ b/fs/cifs/Kconfig
@@ -190,8 +190,9 @@ config CIFS_DFS_UPCALL
            moves to a different server.  This feature also enables
            an upcall mechanism for CIFS which contacts userspace helper
            utilities to provide server name resolution (host names to
-           IP addresses) which is needed for implicit mounts of DFS junction
-           points. If unsure, say Y.
+           IP addresses) which is needed in order to reconnect to
+           servers if their addresses change or for implicit mounts of
+           DFS junction points. If unsure, say Y.
 
 config CIFS_NFSD_EXPORT
          bool "Allow nfsd to export CIFS file system"