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NFSD_MAY_LOCK means a few different things. - it means that GSS is not required. - it means that with NFSEXP_NOAUTHNLM, authentication is not required - it means that OWNER_OVERRIDE is allowed. None of these are specific to locking, they are specific to the NLM protocol. So: - rename to NFSD_MAY_NLM - set NFSD_MAY_OWNER_OVERRIDE and NFSD_MAY_BYPASS_GSS in nlm_fopen() so that NFSD_MAY_NLM doesn't need to imply these. - move the test on NFSEXP_NOAUTHNLM out of nfsd_permission() and into fh_verify where other special-case tests on the MAY flags happen. nfsd_permission() can be called from other places than fh_verify(), but none of these will have NFSD_MAY_NLM. Signed-off-by: NeilBrown <neilb@suse.de> 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.