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46e906144c
Create a documentation providing a background and explanation around the operation of the Multi-Queue Block IO Queueing Mechanism (blk-mq). The reference for writing this documentation was the source code and "Linux Block IO: Introducing Multi-queue SSD Access on Multi-core Systems", by Axboe et al. Signed-off-by: André Almeida <andrealmeid@collabora.com> Reviewed-by: Jens Axboe <axboe@kernel.dk> Acked-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20200620002036.113000-1-andrealmeid@collabora.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>