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SubjectRe: [PATCH] Fix a simple issue w.r.t mounting of containers
Thanks. I've added that to my tree.

Paul

On 5/18/07, Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
>
>
> Fix containers mounting issue. With the current v9 patches if a container
> hierarchy is mounted and then umounted. A second mount of the hierarchy
> fails
>
> Steps to reproduce the problem
>
> 1. mount -t container container /<mnt point>
> 2. umount /<mnt point>
> 3. mount -t container container /<mnt point>
>
> Step 3 fails with -EBUSY. This is due to the fact that when we unmount,
> in container_put_super(), we need to delete the current root from the roots
> list.
>
> The patch below fixes the issue
>
>
> Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com>
> ---
>
> kernel/container.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff -puN kernel/container.c~fix-remount-issue kernel/container.c
> --- linux-2.6.21-mm1/kernel/container.c~fix-remount-issue 2007-05-18 17:59:40.000000000 +0530
> +++ linux-2.6.21-mm1-balbir/kernel/container.c 2007-05-18 18:00:02.000000000 +0530
> @@ -574,6 +574,7 @@ static void container_put_super(struct s
> ret = rebind_subsystems(root, 0);
> BUG_ON(ret);
>
> + list_del(&root->root_list);
> kfree(root);
> mutex_unlock(&container_mutex);
> }
> _
>
> --
> Warm Regards,
> Balbir Singh
> Linux Technology Center
> IBM, ISTL
>
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