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bd7e795108
Create wrapper functions around ->diff_two_keys so that we don't have to remember what the return values mean, and adjust some of the code comments to reflect the longtime code behavior. We're going to introduce more uses of ->diff_two_keys in the next patch, so reduce the cognitive load for readers by doing this refactoring now. Suggested-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.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.