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8d61ece156
Add `union ublk_io_buf` for naming the anonymous union of struct ublk_io's addr and buf fields, meantime apply it to `struct ublk_io` for storing either ublk auto buffer register data or ublk server io buffer address. The union uses clear field names: - `addr`: for regular ublk server io buffer addresses - `auto_reg`: for ublk auto buffer registration data This eliminates confusing access patterns and improves code readability. Reviewed-by: Caleb Sander Mateos <csander@purestorage.com> Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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.