Adding upstream version 5.10.209.upstream/5.10.209

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+============
+Introduction
+============
+
+  This is the client VFS module for the SMB3 NAS protocol as well
+  as for older dialects such as the Common Internet File System (CIFS)
+  protocol which was the successor to the Server Message Block
+  (SMB) protocol, the native file sharing mechanism for most early
+  PC operating systems. New and improved versions of CIFS are now
+  called SMB2 and SMB3. Use of SMB3 (and later, including SMB3.1.1)
+  is strongly preferred over using older dialects like CIFS due to
+  security reaasons. All modern dialects, including the most recent,
+  SMB3.1.1 are supported by the CIFS VFS module. The SMB3 protocol
+  is implemented and supported by all major file servers
+  such as all modern versions of Windows (including Windows 2016
+  Server), as well as by Samba (which provides excellent
+  CIFS/SMB2/SMB3 server support and tools for Linux and many other
+  operating systems).  Apple systems also support SMB3 well, as
+  do most Network Attached Storage vendors, so this network
+  filesystem client can mount to a wide variety of systems.
+  It also supports mounting to the cloud (for example
+  Microsoft Azure), including the necessary security features.
+
+  The intent of this module is to provide the most advanced network
+  file system function for SMB3 compliant servers, including advanced
+  security features, excellent parallelized high performance i/o, better
+  POSIX compliance, secure per-user session establishment, encryption,
+  high performance safe distributed caching (leases/oplocks), optional packet
+  signing, large files, Unicode support and other internationalization
+  improvements. Since both Samba server and this filesystem client support
+  the CIFS Unix extensions (and in the future SMB3 POSIX extensions),
+  the combination can provide a reasonable alternative to other network and
+  cluster file systems for fileserving in some Linux to Linux environments,
+  not just in Linux to Windows (or Linux to Mac) environments.
+
+  This filesystem has a mount utility (mount.cifs) and various user space
+  tools (including smbinfo and setcifsacl) that can be obtained from
+
+      https://git.samba.org/?p=cifs-utils.git
+
+  or
+
+      git://git.samba.org/cifs-utils.git
+
+  mount.cifs should be installed in the directory with the other mount helpers.
+
+  For more information on the module see the project wiki page at
+
+      https://wiki.samba.org/index.php/LinuxCIFS
+
+  and
+
+      https://wiki.samba.org/index.php/LinuxCIFS_utils