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23fd22e55b
if io_uring sends passthrough command with IORING_URING_CMD_FIXED flag, use the pre-registered buffer for IO (non-vectored variant). Pass the buffer/length to io_uring and get the bvec iterator for the range. Next, pass this bvec to block-layer and obtain a bio/request for subsequent processing. Signed-off-by: Kanchan Joshi <joshi.k@samsung.com> Link: https://lore.kernel.org/r/20220930062749.152261-13-anuj20.g@samsung.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.