Re: [REVIEW] NVM Express driver

[Christoph Hellwig]

What's the reason to make this a make_request based driver?  That loses
all the intelligence that has been put into the queueing layer, like I/O
bandwith controlling and fair scheduling.  Is it just queue_lock
contention?  If so it would be great if you could help with testing
Jens' stack-plug and request allocation scalability patches.

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