path: root/mount.cifs.rst
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diff --git a/mount.cifs.rst b/mount.cifs.rst
index c0f0bdb..405c459 100644
--- a/mount.cifs.rst
+++ b/mount.cifs.rst
@@ -237,6 +237,16 @@ cache=arg
The default in kernels prior to 3.7 was ``loose``. As of kernel 3.7 the
default is ``strict``.
+ (default) In SMB2 and above, the client often has to open the root
+ of the share (empty path) in various places during mount, path
+ revalidation and the statfs(2) system call. This option cuts
+ redundant round trip traffic (opens and closes) by simply keeping
+ the directory handle for the root around once opened.
+ Disable caching of the share root directory handle.
Do not do inode data caching on files opened on this mount. This
precludes mmaping files on this mount. In some cases with fast