Ming Lei 7ebdba87cf ublk: avoid to pass struct ublksrv_io_cmd * to ublk_commit_and_fetch()
Refactor ublk_commit_and_fetch() in the following way for removing
parameter of `struct ublksrv_io_cmd *`:

- return `struct request *` from ublk_fill_io_cmd(), so that we can
use request reference reliably in this way cause both request and
io_uring_cmd reference share same storage

- move ublk_fill_io_cmd() before calling into ublk_commit_and_fetch(),
so that ublk_fill_io_cmd() could be run with per-io lock held for
supporting command batch.

- pass ->zone_append_lba to ublk_commit_and_fetch() directly

The main motivation is to reproduce ublk_commit_and_fetch() for fetching
io command batch with multishot uring_cmd.

Reviewed-by: Caleb Sander Mateos <csander@purestorage.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250713143415.2857561-6-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-07-15 08:04:16 -06:00
2025-06-21 07:34:28 -07:00
2025-02-19 14:53:27 -07:00
2025-07-07 07:02:42 -06:00
2025-06-29 13:09:04 -07:00
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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