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SubjectRe: [PATCH 26/30] cr: mount namespace
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On Fri, 2009-04-10 at 06:40 +0400, Alexey Dobriyan wrote:
>
> +struct mnt_namespace *alloc_mnt_ns(void)
> +{
> + struct mnt_namespace *mnt_ns;
> +
> + mnt_ns = kmalloc(sizeof(struct mnt_namespace), GFP_KERNEL);
> + if (mnt_ns) {
> + atomic_set(&mnt_ns->count, 1);
> + mnt_ns->root = NULL;
> + INIT_LIST_HEAD(&mnt_ns->list);
> + init_waitqueue_head(&mnt_ns->poll);
> + mnt_ns->event = 0;
> + }
> + return mnt_ns;
> +}
> +
> /*
> * Allocate a new namespace structure and populate it with contents
> * copied from the namespace of the passed in task structure.
> @@ -1981,15 +1996,10 @@ static struct mnt_namespace *dup_mnt_ns(struct
> mnt_namespace *mnt_ns,
> struct vfsmount *rootmnt = NULL, *pwdmnt = NULL;
> struct vfsmount *p, *q;
>
> - new_ns = kmalloc(sizeof(struct mnt_namespace), GFP_KERNEL);
> + new_ns = alloc_mnt_ns();
> if (!new_ns)
> return ERR_PTR(-ENOMEM);
>
> - atomic_set(&new_ns->count, 1);
> - INIT_LIST_HEAD(&new_ns->list);
> - init_waitqueue_head(&new_ns->poll);
> - new_ns->event = 0;
> -
> down_write(&namespace_sem);
> /* First pass: copy the tree topology */
> new_ns->root = copy_tree(mnt_ns->root, mnt_ns->root->mnt_root,
> --- a/include/linux/cr.h

This bit should be broken out, and stuck at the beginning of the series.

-- Dave



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