Bernd Schubert a07d2d7930 io_uring: Change res2 parameter type in io_uring_cmd_done
Change the type of the res2 parameter in io_uring_cmd_done from ssize_t
to u64. This aligns the parameter type with io_req_set_cqe32_extra,
which expects u64 arguments.
The change eliminates potential issues on 32-bit architectures where
ssize_t might be 32-bit.

Only user of passing res2 is drivers/nvme/host/ioctl.c and it actually
passes u64.

Fixes: ee692a21e9 ("fs,io_uring: add infrastructure for uring-cmd")
Cc: stable@vger.kernel.org
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Tested-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: Li Zetao <lizetao1@huawei.com>
Signed-off-by: Bernd Schubert <bschubert@ddn.com>
Link: https://lore.kernel.org/r/20241203-io_uring_cmd_done-res2-as-u64-v2-1-5e59ae617151@ddn.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-12-03 06:33:13 -07:00
2024-09-01 20:43:24 -07:00
2022-09-28 09:02:20 +02:00
2024-12-01 14:28:56 -08:00
2024-03-18 03:36:32 -06:00

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.
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