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From f701927118c7c0833751e610c3fd45504c47ef08 Mon Sep 17 00:00:00 2001
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From: Aurelien Aptel <aaptel@suse.com>
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Date: Tue, 15 May 2018 10:40:48 +0200
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Subject: [PATCH 02/36] mount.cifs.rst: document new (no)handlecache mount
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option
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Signed-off-by: Aurelien Aptel <aaptel@suse.com>
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Reviewed-by: Steve French <smfrench@gmail.com>
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Reviewed-by: Pavel Shilovsky <piastryyy@gmail.com>
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(cherry picked from commit bfcbfaa27a6bcfea3d463e793feff5a983f344a5)
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Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
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---
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mount.cifs.rst | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/mount.cifs.rst b/mount.cifs.rst
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index c0f0bdb..405c459 100644
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--- a/mount.cifs.rst
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+++ b/mount.cifs.rst
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@@ -237,6 +237,16 @@ cache=arg
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The default in kernels prior to 3.7 was ``loose``. As of kernel 3.7 the
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default is ``strict``.
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+handlecache
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+ (default) In SMB2 and above, the client often has to open the root
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+ of the share (empty path) in various places during mount, path
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+ revalidation and the statfs(2) system call. This option cuts
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+ redundant round trip traffic (opens and closes) by simply keeping
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+ the directory handle for the root around once opened.
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+
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+nohandlecache
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+ Disable caching of the share root directory handle.
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+
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directio
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Do not do inode data caching on files opened on this mount. This
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precludes mmaping files on this mount. In some cases with fast
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--
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1.8.3.1
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