ovl_inuse_trylock  268 fs/overlayfs/overlayfs.h bool ovl_inuse_trylock(struct dentry *dentry);
ovl_inuse_trylock 1063 fs/overlayfs/super.c 	if (ovl_inuse_trylock(ofs->upper_mnt->mnt_root)) {
ovl_inuse_trylock 1178 fs/overlayfs/super.c 	if (ovl_inuse_trylock(ofs->workbasedir)) {