From: ebiederm@xmission.com (Eric W. Biederman)
To: Stanislav Kinsbursky <skinsbursky@parallels.com>
Cc: Trond.Myklebust@netapp.com, linux-nfs@vger.kernel.org,
xemul@parallels.com, neilb@suse.de, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, jbottomley@parallels.com,
bfields@fieldses.org, davem@davemloft.net, devel@openvz.org
Subject: Re: [PATCH 01/11] SYSCTL: export root and set handling routines
Date: Sat, 17 Dec 2011 14:25:14 -0800 [thread overview]
Message-ID: <m1bor6rg39.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <20111214104449.3991.61989.stgit@localhost6.localdomain6> (Stanislav Kinsbursky's message of "Wed, 14 Dec 2011 14:44:49 +0300")
Stanislav Kinsbursky <skinsbursky@parallels.com> writes:
> These routines are required for making SUNRPC sysctl's per network namespace
> context.
Why does sunrpc require it's own sysctl root? You should be able to use
the generic per network namespace root and call it good.
What makes register_net_sysctl_table and register_net_sysctl_ro_table
unsuitable for sunrpc. I skimmed through your patches and I haven't
seen anything obvious.
Eric
> Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
>
> ---
> include/linux/sysctl.h | 1 +
> kernel/sysctl.c | 11 +++++++++++
> 2 files changed, 12 insertions(+), 0 deletions(-)
>
> diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
> index 703cfa3..be586a9 100644
> --- a/include/linux/sysctl.h
> +++ b/include/linux/sysctl.h
> @@ -1084,6 +1084,7 @@ struct ctl_path {
> };
>
> void register_sysctl_root(struct ctl_table_root *root);
> +void unregister_sysctl_root(struct ctl_table_root *root);
> struct ctl_table_header *__register_sysctl_paths(
> struct ctl_table_root *root, struct nsproxy *namespaces,
> const struct ctl_path *path, struct ctl_table *table);
> diff --git a/kernel/sysctl.c b/kernel/sysctl.c
> index ae27196..fb016a9 100644
> --- a/kernel/sysctl.c
> +++ b/kernel/sysctl.c
> @@ -1700,6 +1700,15 @@ void register_sysctl_root(struct ctl_table_root *root)
> list_add_tail(&root->root_list, &sysctl_table_root.root_list);
> spin_unlock(&sysctl_lock);
> }
> +EXPORT_SYMBOL_GPL(register_sysctl_root);
> +
> +void unregister_sysctl_root(struct ctl_table_root *root)
> +{
> + spin_lock(&sysctl_lock);
> + list_del(&root->root_list);
> + spin_unlock(&sysctl_lock);
> +}
> +EXPORT_SYMBOL_GPL(unregister_sysctl_root);
>
> /*
> * sysctl_perm does NOT grant the superuser all rights automatically, because
> @@ -1925,6 +1934,7 @@ struct ctl_table_header *__register_sysctl_paths(
>
> return header;
> }
> +EXPORT_SYMBOL_GPL(__register_sysctl_paths);
>
> /**
> * register_sysctl_table_path - register a sysctl table hierarchy
> @@ -2007,6 +2017,7 @@ void setup_sysctl_set(struct ctl_table_set *p,
> p->parent = parent ? parent : &sysctl_table_root.default_set;
> p->is_seen = is_seen;
> }
> +EXPORT_SYMBOL_GPL(setup_sysctl_set);
>
> #else /* !CONFIG_SYSCTL */
> struct ctl_table_header *register_sysctl_table(struct ctl_table * table)
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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> Please read the FAQ at http://www.tux.org/lkml/
next prev parent reply other threads:[~2011-12-17 22:23 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-14 11:44 [PATCH 00/11] SUNRPC: make sysctl per network namespcase context Stanislav Kinsbursky
2011-12-14 11:44 ` [PATCH 01/11] SYSCTL: export root and set handling routines Stanislav Kinsbursky
2011-12-17 22:25 ` Eric W. Biederman [this message]
2011-12-19 8:56 ` Stanislav Kinsbursky
2011-12-19 10:15 ` Eric W. Biederman
2011-12-19 12:22 ` Stanislav Kinsbursky
2011-12-19 16:37 ` Eric W. Biederman
2011-12-19 17:24 ` Stanislav Kinsbursky
2012-01-03 3:49 ` Eric W. Biederman
2012-01-10 10:38 ` Stanislav Kinsbursky
2012-01-10 22:39 ` Eric W. Biederman
2012-01-11 9:47 ` Stanislav Kinsbursky
2012-01-11 17:21 ` Eric W. Biederman
2012-01-11 18:02 ` Stanislav Kinsbursky
2012-01-11 19:36 ` Eric W. Biederman
2012-01-12 9:17 ` Stanislav Kinsbursky
2011-12-14 11:44 ` [PATCH 02/11] SUNRPC: use syctl path instead of dummy parent table Stanislav Kinsbursky
2011-12-14 11:45 ` [PATCH 03/11] SUNRPC: sysctl root for debug table introduced Stanislav Kinsbursky
2011-12-14 11:45 ` [PATCH 04/11] SUNRPC: per-net sysctl's set introduced Stanislav Kinsbursky
2011-12-14 11:45 ` [PATCH 05/11] SUNRPC: register debug sysctl table per network namespace Stanislav Kinsbursky
2011-12-14 11:45 ` [PATCH 06/11] SUNRPC: register xs_tunables " Stanislav Kinsbursky
2011-12-14 11:45 ` [PATCH 07/11] SUNRPC: xs tunables per network namespace introduced Stanislav Kinsbursky
2011-12-14 11:45 ` [PATCH 08/11] SUNRPC: use per-net xs tunables instead of static ones Stanislav Kinsbursky
2011-12-14 11:45 ` [PATCH 09/11] SUNRPC: remove xs_tcp_fin_timeout variable Stanislav Kinsbursky
2011-12-14 11:46 ` [PATCH 10/11] SUNRPC: allow debug flags modifications only from init_net Stanislav Kinsbursky
2011-12-14 11:46 ` [PATCH 11/11] SUNRPC: sysctl table for rpc_debug introduced Stanislav Kinsbursky
2012-02-07 11:44 ` [PATCH 00/11] SUNRPC: make sysctl per network namespcase context Stanislav Kinsbursky
2012-02-07 13:21 ` Myklebust, Trond
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