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    Subject[PATCH 01/11] SYSCTL: export root and set handling routines
    From
    Date
    These routines are required for making SUNRPC sysctl's per network namespace
    context.

    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)


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