Description of problem:

I was working on a .t where two requests are wound one after the other, the first fop that is wound takes more than a second(because of delay-gen) and the next doesn't. This was leading to both the fops taking delay-duration seconds instead of second fop unwinding earlier than the first one. When I debugged it, I found that io-threads is not matching threads to number of fops even when it can. The .t that I am working on for another bz will be updated at https://review.gluster.org/c/glusterfs/+/22674

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How reproducible:

Always.

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