netdev - Re: [PATCH 11/32] time: use ns_common

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Message-ID: <nw4v4xdhurephubizr2joq7vxa2tuvzkaz2ynucukdnm3bxfsc@y6qryhtbi3h5>
Date: Wed, 10 Sep 2025 17:44:03 +0200
From: Jan Kara <jack@...e.cz>
To: Christian Brauner <brauner@...nel.org>
Cc: Jan Kara <jack@...e.cz>, Amir Goldstein <amir73il@...il.com>, 
	linux-fsdevel@...r.kernel.org, Josef Bacik <josef@...icpanda.com>, 
	Jeff Layton <jlayton@...nel.org>, Mike Yuan <me@...dnzj.com>, 
	Zbigniew Jędrzejewski-Szmek <zbyszek@...waw.pl>, Lennart Poettering <mzxreary@...inter.de>, 
	Daan De Meyer <daan.j.demeyer@...il.com>, Aleksa Sarai <cyphar@...har.com>, 
	Alexander Viro <viro@...iv.linux.org.uk>, Jens Axboe <axboe@...nel.dk>, Tejun Heo <tj@...nel.org>, 
	Johannes Weiner <hannes@...xchg.org>, Michal Koutný <mkoutny@...e.com>, 
	Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
	Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, 
	Chuck Lever <chuck.lever@...cle.com>, linux-nfs@...r.kernel.org, linux-kselftest@...r.kernel.org, 
	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, cgroups@...r.kernel.org, 
	netdev@...r.kernel.org
Subject: Re: [PATCH 11/32] time: use ns_common_init()

On Wed 10-09-25 16:36:56, Christian Brauner wrote:
> Don't cargo-cult the same thing over and over.
> 
> Signed-off-by: Christian Brauner <brauner@...nel.org>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@...e.cz>

								Honza

> ---
>  kernel/time/namespace.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/kernel/time/namespace.c b/kernel/time/namespace.c
> index 667452768ed3..80b3d2ce2fb6 100644
> --- a/kernel/time/namespace.c
> +++ b/kernel/time/namespace.c
> @@ -92,18 +92,15 @@ static struct time_namespace *clone_time_ns(struct user_namespace *user_ns,
>  	if (!ns)
>  		goto fail_dec;
>  
> -	refcount_set(&ns->ns.count, 1);
> -
>  	ns->vvar_page = alloc_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO);
>  	if (!ns->vvar_page)
>  		goto fail_free;
>  
> -	err = ns_alloc_inum(&ns->ns);
> +	err = ns_common_init(&ns->ns, &timens_operations, true);
>  	if (err)
>  		goto fail_free_page;
>  
>  	ns->ucounts = ucounts;
> -	ns->ns.ops = &timens_operations;
>  	ns->user_ns = get_user_ns(user_ns);
>  	ns->offsets = old_ns->offsets;
>  	ns->frozen_offsets = false;
> 
> -- 
> 2.47.3
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR