Re: [PATCH v2] aio: convert active_reqs into a hashtable

[Hamza Mahfooz]

On Sun, Sep 19 2021 at 10:56:45 AM -0400, Benjamin LaHaise 
<bcrl@xxxxxxxxx> wrote:
> You're doing this wrong.  If you want faster cancellations, stash an 
> index
> into iocb->aio_key to index into an array with all requests rather 
> than
> using a hash table.

Would that not mean that, we would have to keep track of the indices of 
the
array that are not being held by an `aio_kiocb`?