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5d24321e4c
Introduce a socket-specific io_uring_cmd to support getsockname/getpeername via io_uring. I made this an io_uring_cmd instead of a new operation to avoid polluting the command namespace with what is exclusively a socket operation. In addition, since we don't need to conform to existing interfaces, this merges the getsockname/getpeername in a single operation, since the implementation is pretty much the same. This has been frequently requested, for instance at [1] and more recently in the project Discord channel. The main use-case is to support fixed socket file descriptors. [1] https://github.com/axboe/liburing/issues/1356 Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de> 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.