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06b76d44ba
We currently have a mix of use cases. Most of the newer ones are pretty uniform, but we have some older ones that use different calling calling conventions. This is confusing. For the opcodes that currently rely on the req->io->sqe copy saving them from reuse, add a request type struct in the io_kiocb command union to store the data they need. Prepare for all opcodes having a standard prep method, so we can call it in a uniform fashion and outside of the opcode handler. This is in preparation for passing in the 'sqe' pointer, rather than storing it in the io_kiocb. Once we have uniform prep handlers, we can leave all the prep work to that part, and not even pass in the sqe to the opcode handler. This ensures that we don't reuse sqe data inadvertently. Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.