General solution

Posted Jul 31, 2023 22:44 UTC (Mon) by josh (subscriber, #17465)
In reply to: General solution by calumapplepie
Parent article: A virtual filesystem locking surprise

That seems like a potentially useful structure, as long as people acquiring the second reference to something are willing to wait the (potentially considerable) amount of time for an RCU grace period to expire.

That might be a reasonable amount of overhead for pidfd_getfd, for instance.