> Remove lives_below_in_same_fs() since is_subdir() from fs/dcache.c is
> providing the same functionality.
>
> Signed-off-by: Jan Blunck <jblunck@xxxxxxx>
Acked-by: Miklos Szeredi <mszeredi@xxxxxxx>
> ---
> fs/namespace.c | 13 +------------
> 1 file changed, 1 insertion(+), 12 deletions(-)
>
> Index: b/fs/namespace.c
> ===================================================================
> --- a/fs/namespace.c
> +++ b/fs/namespace.c
> @@ -729,17 +729,6 @@ static int mount_is_safe(struct nameidat
> #endif
> }
>
> -static int lives_below_in_same_fs(struct dentry *d, struct dentry *dentry)
> -{
> - while (1) {
> - if (d == dentry)
> - return 1;
> - if (d == NULL || d == d->d_parent)
> - return 0;
> - d = d->d_parent;
> - }
> -}
> -
> struct vfsmount *copy_tree(struct vfsmount *mnt, struct dentry *dentry,
> int flag)
> {
> @@ -756,7 +745,7 @@ struct vfsmount *copy_tree(struct vfsmou
>
> p = mnt;
> list_for_each_entry(r, &mnt->mnt_mounts, mnt_child) {
> - if (!lives_below_in_same_fs(r->mnt_mountpoint, dentry))
> + if (!is_subdir(r->mnt_mountpoint, dentry))
> continue;
>
> for (s = r; s; s = next_mnt(s, r)) {
>
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