Re: [PATCH 10/11] VFS: Cache request_queue in struct block_device

[Andi Kleen]

> Primarily because of code complexity. We are stashing away a pointer and
> not taking any reference anywhere. So I am not even sure who is making
> sure that request queue is not gone and there are no comments in the code
> about why we are stashing a pointer and how are we making sure that
> request queue is around for the lifetime of bdev.

Can you point out a concrete problem in my approach?  This seems
rather vague.

If you have an alternative way to get the 0.3% I would be also
interested.

-Andi
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