Re: [PATCH rust-next v2 0/3] rust: miscdevice: add llseek support

Ryosuke Yasuoka
2025-10-16T10:20:00Z

On Wed, Oct 15, 2025 at 07:40:12AM +0200, Greg KH wrote:
> On Wed, Oct 15, 2025 at 01:02:40PM +0900, Ryosuke Yasuoka wrote:
> > Hi all,
> >
> > This patch series add support for the llseek file operation to misc
> > devices written in Rust.
>
> Cool, but what miscdevice driver needs llseek support? Do you have a
> real user for this that we can see as well?

Currently no. Because lseek is one of fundamental functions for device
driver, I think it's valuable to add support. I believe we'll have real
users based on read, write, and this lseek support.

What do you think? Thank you for your comment.

Best regards,
Ryosuke

> thanks,
>
> greg k-h
>