Re: [PATCH] nbd: use an idr to keep track of nbd devices

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Hey Josef,

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To prepare for dynamically adding new nbd devices to the system switch
from using an array for the nbd devices and instead use an idr.  This
copies what loop does for keeping track of its devices.

I think ida_simple_* is simpler and sufficient here isn't it?

I use more of the IDR stuff in later patches, I just haven't posted those yet because meetings.  Thanks,

Can you elaborate on the usage? What do you intend to do
that a simple ida cannot satisfy?