Assistance with >~95% CPU usage when calling pread64 when using LUKS

[Boris-Barboris]

On Sunday, 10 March 2019 at 19:59:40 UTC, abraunegg wrote:
> Is there any sort of extra debugging that I could do to 
> understand what else is going on, or can you suggest any code 
> changes which may improve the reading of files?

I would think about finding a better solution than this one:
https://github.com/abraunegg/onedrive/blob/master/src/util.d#L140