linux-kernel - Re: [PATCH] fuse: show the io

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Message-ID: <9f54caaa-1936-4a37-8046-0335e469935d@bsbernd.com>
Date: Thu, 25 Dec 2025 22:34:46 +0100
From: Bernd Schubert <bernd@...ernd.com>
To: Kuang Kai <kuangkai@...inos.cn>, miklos@...redi.hu
Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
 kk47yx@...il.com
Subject: Re: [PATCH] fuse: show the io_uring mount option



On 12/25/25 06:50, Kuang Kai wrote:
> From: kuangkai <kuangkai@...inos.cn>
> 
> mount with io_uring options will not work if the kernel parameter of /sys/module/fuse/parameters/enable_uring has not been set,
> displaying this option can help confirm whether the fuse over io_uring function is enabled.

The problem is that is io_uring is not a mount option, showing it as
such would not be right. Maybe showing all FUSE_INIT parameters should
be added in /sys?

Thanks,
Bernd

> 
> Signed-off-by: kuangkai <kuangkai@...inos.cn>
> ---
>  fs/fuse/inode.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
> index 21e04c394a80..190de3f29552 100644
> --- a/fs/fuse/inode.c
> +++ b/fs/fuse/inode.c
> @@ -937,6 +937,11 @@ static int fuse_show_options(struct seq_file *m, struct dentry *root)
>  		seq_puts(m, ",dax=inode");
>  #endif
>  
> +#ifdef CONFIG_FUSE_IO_URING
> +	if (fc->io_uring)
> +		seq_puts(m, ",io_uring");
> +#endif
> +
>  	return 0;
>  }
>