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7efd081582
cifs_mount() for DFS mounts is for a long time way too complex to
follow, mostly because it lacks some documentation, does a lot of
operations like resolving DFS roots and links, checking for path
components, perform failover, crap code, etc.
Besides adding some documentation to it, do some cleanup and ensure
that the following is implemented and supported:
* non-DFS mounts
* DFS failover
* DFS root mounts
- tcon and cifs_sb must contain DFS path (NOT including prefix)
- if prefix path, then save it in cifs_sb and it must not be
changed
* DFS link mounts
- tcon and cifs_sb must contain DFS path (including prefix)
- if prefix path, then save it in cifs_sb and it may be changed
* prevent recursion on broken link referrals (MAX_NESTED_LINKS)
* check every path component of the currently resolved
target (including prefix), and chase them accordingly
* make sure that DFS referrals go through newly resolved root
servers
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.