From: Vivek Goyal <vgoyal@xxxxxxxxxx>
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>
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
---
fs/overlayfs/util.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 73939e08d8bf..61ace2de3019 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -134,7 +134,8 @@ 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(d_inode(dentry)))
type |= __OVL_PATH_MERGE;
}
} else {
--
2.14.3
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