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vfs: Add a user namespace reference from struct mnt_namespace

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This will allow for support for unprivileged mounts in a new user namespace.

Acked-by: "Serge E. Hallyn" <serge@hallyn.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2012-07-26 21:08:32 -07:00
parent 8823c079ba
commit 771b137168
4 changed files with 20 additions and 10 deletions
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2
kernel/nsproxy.c
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@@ -66,7 +66,7 @@ static struct nsproxy *create_new_namespaces(unsigned long flags,
if (!new_nsp)
return ERR_PTR(-ENOMEM);
new_nsp->mnt_ns = copy_mnt_ns(flags, tsk->nsproxy->mnt_ns, new_fs);
new_nsp->mnt_ns = copy_mnt_ns(flags, tsk->nsproxy->mnt_ns, task_cred_xxx(tsk, user_ns), new_fs);
if (IS_ERR(new_nsp->mnt_ns)) {
err = PTR_ERR(new_nsp->mnt_ns);
goto out_ns;