[PATCH v13 19/28] ovl: Treat metacopy dentries as type OVL_PATH_MERGE

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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>
---
 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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