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0d98c50908
`io_rsrc_node` instance won't be shared among different io_uring ctxs, and its allocation 'ctx' is always same with the user's 'ctx', so it is safe to pass user 'ctx' reference to rsrc helpers. Even in io_clone_buffers(), `io_rsrc_node` instance is allocated actually for destination io_uring_ctx. Then io_rsrc_node_ctx() can be removed, and the 8 bytes `ctx` pointer will be removed from `io_rsrc_node` in the following patch. Signed-off-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20241107110149.890530-2-ming.lei@redhat.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.