On Mon, Jul 31, 2023 at 06:28:02PM -0600, Jens Axboe wrote: > It's also not an absolute thing, like memory allocations are. It's > perfectly fine to grab a mutex under NOWAIT issue. What you should not > do is grab a mutex that someone else can grab while waiting on IO. This > kind of extra context is only available in the code in question, not > generically for eg mutex locking. Is that information documented somewhere? I didn't know that was the rule, and I wouldn't be surprised if that's news to several of the other people on this thread.
