Re: [RFC PATCH v4 2/3] rust: add minimal IIO subsystem abstractions

Muchamad Coirul Anwar <[email protected]>
Newsgroups org.kernel.vger.linux-i2c,org.kernel.vger.linux-iio,org.kernel.vger.linux-kernel
Message-ID <CAO26r3QDbT07dTsMfMB8Y6H+qBzh-PQxgcTTVKqJ7C9yv-emsQ@mail.gmail.com> 
On Sat, 11 Jul 2026 at 19:12, Danilo Krummrich <[email protected]> wrote:
>
> On Tue Jul 7, 2026 at 5:15 PM CEST, Muchamad Coirul Anwar wrote:
> > Add safe Rust wrappers for the Linux IIO (Industrial I/O) subsystem:
>
> Does IIO's iio_device_unregister() synchronize against in-flight IOCTLs?

From what I traced, yes. iio_device_unregister goes through
cdev_device_del, device_del, sysfs_remove_dir, and ends up in
kernfs_drain which waits for active sysfs readers to finish.
Please correct me if I'm missing something here.

Thanks
Coirul
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