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1c2d2fff6d
Add support for plugging in passthrough path. When plugging is enabled, the requests are added to a plug instead of getting dispatched to the driver. And when the plug is finished, the whole batch gets dispatched via ->queue_rqs which turns out to be more efficient. Otherwise dispatching used to happen via ->queue_rq, one request at a time. Reviewed-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20220511054750.20432-3-joshi.k@samsung.com Signed-off-by: Jens Axboe <axboe@kernel.dk>