On Thu, Mar 29, 2018 at 10:38 PM, Vivek Goyal <vgoyal@xxxxxxxxxx> wrote:
> Right now OVL_PATH_MERGE is used only for merged directories.
> But conceptually, a metacopy dentry (backed by a lower data dentry) is
> a merged entity as well.
>
> So mark metacopy dentries as OVL_PATH_MERGE and ovl_rename() makes use
> of this property later to set redirect on a metacopy file.
>
> Signed-off-by: Vivek Goyal <vgoyal@xxxxxxxxxx>
Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx>
> ---
> fs/overlayfs/util.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
> index 927960aa57ee..29f7336ade88 100644
> --- a/fs/overlayfs/util.c
> +++ b/fs/overlayfs/util.c
> @@ -118,7 +118,7 @@ enum ovl_path_type ovl_path_type(struct dentry *dentry)
> */
> if (oe->numlower) {
> type |= __OVL_PATH_ORIGIN;
> - if (d_is_dir(dentry))
> + if (d_is_dir(dentry) || !ovl_has_upperdata(dentry))
> type |= __OVL_PATH_MERGE;
> }
> } else {
> --
> 2.13.6
>
> --
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