Re: [PATCH -mm 5/7] add user namespace

[Dave Hansen]

On Fri, 2006-07-14 at 10:49 -0600, Eric W. Biederman wrote:
> -       if (current->fsuid == inode->i_uid)
> +       if ((current->fsuid == inode->i_uid) &&
> +               (current->nsproxy->user_ns == inode->i_sb->user_ns))
>                 mode >>= 6; 

I really don't think assigning a user namespace to a superblock is the
right way to go.  Seems to me like the _view_ into the filesystem is
what you want to modify.  That would seem to me to mean that each
'struct namespace' (filesystem namespace) or vfsmount would be assigned
a corresponding user namespace, *not* the superblock.

-- Dave

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