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af19388a97
Will be called by the core of io_uring, if inline issue is not going to be tried for a request. Opcodes can define this handler to defer copying of SQE data that should remain stable. Only called if IO_URING_F_INLINE is set. If it isn't set, then there's a bug in the core handling of this, and -EFAULT will be returned instead to terminate the request. This will trigger a WARN_ON_ONCE(). Don't expect this to ever trigger, and down the line this can be removed. Reviewed-by: Caleb Sander Mateos <csander@purestorage.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.