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The legacy rpc.nfsd tool will set the nlm_grace_period if the NFSv4 grace period is set. nfsdctl is missing this functionality, so add a new netlink control interface for lockd that it can use. For now, it only allows setting the grace period, and the tcp and udp listener ports. lockd currently uses module parameters and sysctls for configuration, so all of its settings are global. With this change, lockd now tracks these values on a per-net-ns basis. It will only fall back to using the global values if any of them are 0. Finally, as a backward compatibility measure, if updating the nlm settings in the init_net namespace, also update the legacy global values to match. Link: https://issues.redhat.com/browse/RHEL-71698 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 reStructuredText 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.