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3c12a8939e
nvme already supports registered buffers for non-vectored io_uring passthrough commands, enable it for the vectored mode as well. It takes an iovec, each entry of which should contain a range within the same registered buffer specificied in sqe->buf_index. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Reviewed-by: Jens Axboe <axboe@kernel.dk> Reviewed-by: Anuj Gupta <anuj20.g@samsung.com> Reviewed-by: Kanchan Joshi <joshi.k@samsung.com> Reviewed-by: Caleb Sander Mateos <csander@purestorage.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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.