forked from Minki/linux
3b2a1ebceb
The default dma alignment mask is 511, which is much larger than any nvme controller requires. NVMe controllers accept qword aligned DMA addresses, so set the request_queue constraints to that. This can help avoid bounce buffers on user passthrough commands. Signed-off-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Christoph Hellwig <hch@lst.de> |
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