ovl_indexdir
struct dentry *indexdir = ovl_indexdir(dentry->d_sb);
c->workdir = ovl_indexdir(c->dentry->d_sb);
c->destdir = ovl_indexdir(c->dentry->d_sb);
if (!this && layer->idx && ovl_indexdir(sb) && !WARN_ON(!d_is_dir(real))) {
if (ovl_indexdir(sb)) {
if ((upper || !ovl_indexdir(sb)) &&
if (origin && ovl_indexdir(dentry->d_sb) &&
struct dentry *ovl_indexdir(struct super_block *sb);
if (!lower || !ovl_indexdir(dentry->d_sb))
struct dentry *indexdir = ovl_indexdir(dentry->d_sb);