ovl_dentry_lowerdata 221 fs/overlayfs/inode.c realpath.dentry == ovl_dentry_lowerdata(dentry)) { ovl_dentry_lowerdata 223 fs/overlayfs/overlayfs.h struct dentry *ovl_dentry_lowerdata(struct dentry *dentry); ovl_dentry_lowerdata 101 fs/overlayfs/super.c real = ovl_dentry_lowerdata(dentry);