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bd23f6c2c2
So far aborting queue ends request when the ubq daemon is exiting, and it can be run concurrently with ublk_queue_rq(), this way is fragile and we depend on the tricky usage of UBLK_IO_FLAG_ABORTED for avoiding such race. Quiesce queue when aborting queue, and the two code paths can be run completely exclusively, then it becomes easier to add new ublk feature, such as relaxing single same task limit for each queue. Signed-off-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20231009093324.957829-6-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 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.