Mikulas Patocka c439ca69d5 dm snapshot: don't define direct_access if we don't support it
Don't define a direct_access function that fails, dm_dax_direct_access
already fails with -EIO if the pointer is zero;

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2019-03-05 14:53:52 -05:00
2018-10-31 08:54:14 -07:00
2019-01-04 14:27:09 -07:00
2019-02-10 14:42:20 -08:00

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.
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