[Bug 50281] fsync patch for wine 6.0-rc1 (without staging)

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=50281

--- Comment #26 from Shmerl  ---
(In reply to Zeb Figura from comment #25)
> Right now it's in something close to an upstreamable state. I'm currently
> trying to collect performance data in order to make a good case for
> upstreaming it.

Sounds interesting! Can you please rebase the repos on recent kernel (like
6.2.x I guess) and Wine (8.3 I suppose)? I'd be interested in testing it /
reporting some performance comparisons to stock Wine or Wine+esync (if it
helps), but figuring out how to rebase can be complicated.