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This document details the NFSD IO modes that are configurable using NFSD's experimental debugfs interfaces: /sys/kernel/debug/nfsd/io_cache_read /sys/kernel/debug/nfsd/io_cache_write This document will evolve as NFSD's interfaces do (e.g. if/when NFSD's debugfs interfaces are replaced with per-export controls). Future updates will provide more specific guidance and howto information to help others use and evaluate NFSD's IO modes: BUFFERED, DONTCACHE and DIRECT. Signed-off-by: Mike Snitzer <snitzer@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.