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4c7d3c88c7
ublk_init_queues() ensures that all nr_hw_queues queues are initialized, with each ublk_queue's q_id set to its index. And ublk_init_queues() is called before ublk_add_chdev(), which creates the cdev. Is is therefore impossible for the !ubq || ub_cmd->q_id != ubq->q_id condition to hit in __ublk_ch_uring_cmd(). Remove it to avoids some branches in the I/O path. Signed-off-by: Caleb Sander Mateos <csander@purestorage.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Uday Shankar <ushankar@purestorage.com> Link: https://lore.kernel.org/r/20250416170154.3621609-1-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.