ovl_file_operations  638 fs/overlayfs/file.c const struct file_operations ovl_file_operations = {
ovl_file_operations  586 fs/overlayfs/inode.c 		inode->i_fop = &ovl_file_operations;
ovl_file_operations  418 fs/overlayfs/overlayfs.h extern const struct file_operations ovl_file_operations;