Re: [PATCH 1/3] ida: Introduce ida_weight()

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On Thu, Nov 02, 2023 at 04:34:53PM +0100, Michal Wajdeczko wrote:
> Add helper function that will calculate number of allocated IDs
> in the IDA.  This might be helpful both for drivers to estimate
> saturation of used IDs and for testing the IDA implementation.

Since you take & release the lock, the value is already somewhat racy.
So why use the lock at all?  Wouldn't the RCU read lock be a better
approach?

Also, does it make sense to specify it over a particular range rather
than over the whole IDA?




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