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5b0a6acc73
Since we don't really use req->task_work anymore, get rid of it together with the nasty ->func aliasing between ->io_task_work and ->task_work, and hide ->fallback_node inside of io_task_work. Also, as task_work is gone now, replace the callback type from task_work_func_t to a function taking io_kiocb to avoid casting and simplify code. Signed-off-by: Pavel Begunkov <asml.silence@gmail.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 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.