On Mon, May 10, 2021 at 10:59:35AM +0200, Emanuele Giuseppe Esposito wrote:
> This serie of patches bring thread safety to the smaller APIs used by
> block-copy, namely ratelimit, progressmeter, co-shared-resource
> and aiotask.
> The end goal is to reduce the usage of the global
> AioContexlock in block-copy, by introducing smaller granularity
> locks thus on making the block layer thread safe. 

I'm not sure "global" is accurate. Block jobs can deal with arbitrary
AioContexts, not just a global AioContext. The lock is per-AioContext
rather than global. Or did I miss something?