Re: [PATCH v5 5/7] revocable: Add fops replacement

[Wolfram Sang]

> Replying late to this thread, I don't think this is right for V4L2. When
> it comes to solving the .remove() vs. userspace race, I think the right
> solution is at the cdev level.

Isn't there even prototype code from Dan Williams?

"[PATCH 1/3] cdev: Finish the cdev api with queued mode support"

https://lkml.org/lkml/2021/1/20/997

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