linux-kernel - Re: [PATCH V5 07/10] io_uring: switch to kernel

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Message-ID: <20211122100228.wdeovpqxg6gl3ldb@wittgenstein>
Date:   Mon, 22 Nov 2021 11:02:28 +0100
From:   Christian Brauner <christian.brauner@...ntu.com>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Mike Christie <michael.christie@...cle.com>, geert@...ux-m68k.org,
        vverma@...italocean.com, hdanton@...a.com, hch@...radead.org,
        stefanha@...hat.com, jasowang@...hat.com, mst@...hat.com,
        sgarzare@...hat.com, virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>
Subject: Re: [PATCH V5 07/10] io_uring: switch to kernel_worker

On Sun, Nov 21, 2021 at 11:17:11AM -0700, Jens Axboe wrote:
> On 11/21/21 10:49 AM, Mike Christie wrote:
> > Convert io_uring and io-wq to use kernel_worker.
> 
> I don't like the kernel_worker name, that implies it's always giving you
> a kernel thread or kthread. That's not the io_uring use case, it's
> really just a thread off the original task that just happens to never
> exit to userspace.
> 
> Can we do a better name? At least io_thread doesn't imply that.

Yeah, I had thought about that as well and at first had kernel_uworker()
locally but wasn't convinced. Maybe we should just make it
create_user_worker()?

Christian