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0ebc9a7ecf
At the moment its very hard to do fine grained backpressure when using multishot as the kernel might produce a lot of completions before the user has a chance to cancel a previous submitted multishot recv. This change adds support to issue a multishot recv that is capped by a len, which means the kernel will only rearm until X amount of data is received. When the limit is reached the completion will signal to the user that a re-arm needs to happen manually by not setting the IORING_CQE_F_MORE flag. Signed-off-by: Norman Maurer <norman_maurer@apple.com> Link: https://lore.kernel.org/r/20250715140249.31186-1-norman_maurer@apple.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.