Even if BLK_CGROUP is enabled, it does not work for passthrough io. So skip setting up blkg for passthrough bio. Reduced processing gives ~5% hike in peak-performance workload. Signed-off-by: Kundan Kumar <kundan.kumar@samsung.com> Signed-off-by: Kanchan Joshi <joshi.k@samsung.com> Reviewed-by: Keith Busch <kbusch@kernel.org> Link: https://lore.kernel.org/r/20231218152722.1768-1-joshi.k@samsung.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.
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