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It's easily possible for the server to have an outstanding lock when we
go to shut down. When that happens, we often get a warning like this in
the kernel log:
lockd: couldn't shutdown host module for net f0000000!
This is because the shutdown procedures skip removing any hosts that
still have outstanding resources (locks). Eventually, things seem to get
cleaned up anyway, but the log message is unsettling, and server
shutdown doesn't seem to be working the way it was intended.
Ensure that we tear down any resources held on behalf of a client when
tearing one down for server shutdown.
Reported-by: Yongcheng Yang <yoyang@redhat.com>
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2063818
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.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.