linux-kernel - Re: [PATCH] Fuse: Add backing file support for uring

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Message-ID: <8e0597b9-d8a9-4d11-8209-ab0f41e94799@gmail.com>
Date: Mon, 24 Feb 2025 10:06:20 -0600
From: Moinak Bhattacharyya <moinakb001@...il.com>
To: Miklos Szeredi <miklos@...redi.hu>, Amir Goldstein <amir73il@...il.com>
Cc: Bernd Schubert <bernd@...ernd.com>, linux-fsdevel@...r.kernel.org,
 linux-kernel@...r.kernel.org, io-uring@...r.kernel.org
Subject: Re: [PATCH] Fuse: Add backing file support for uring_cmd

On 2/24/25 6:08 AM, Miklos Szeredi wrote:

> Right, this would be the least complex solution.   We could also add
> an ioctl(FUSE_DEV_IOC_LOOKUP_REPLY), which would work with the
> non-uring API.

Thia would require a major version tick as we can't mantain back compat, 
unless I'm mistaken? If this is the track we want to take, I'm happy to 
send out another patchset with such a change. Would also need more 
extensive hooking into core FUSE request code.