1 files changed, 0 insertions, 73 deletions
diff --git a/libmount/src/utils.c b/libmount/src/utils.c
index 5693cf8adf..26c5aef7b1 100644
--- a/libmount/src/utils.c
+++ b/libmount/src/utils.c
@@ -1240,79 +1240,6 @@ done:
 	return 1;
 }
 
-/*
- * Initialize MNT_PATH_TMPTGT; mkdir, create a new namespace and
- * mark (bind mount) the directory as private.
- */
-int mnt_tmptgt_unshare(int *old_ns_fd)
-{
-#ifdef USE_LIBMOUNT_SUPPORT_NAMESPACES
-	int rc = 0, fd = -1;
-
-	assert(old_ns_fd);
-
-	*old_ns_fd = -1;
-
-	/* remember the current namespace */
-	fd = open("/proc/self/ns/mnt", O_RDONLY | O_CLOEXEC);
-	if (fd < 0)
-		goto fail;
-
-	/* create new namespace */
-	if (unshare(CLONE_NEWNS) != 0)
-		goto fail;
-
-	/* create directory */
-	rc = ul_mkdir_p(MNT_PATH_TMPTGT, S_IRWXU);
-	if (rc)
-		goto fail;
-
-	/* try to set top-level directory as private, this is possible if
-	 * MNT_RUNTIME_TOPDIR (/run) is a separated filesystem. */
-	if (mount("none", MNT_RUNTIME_TOPDIR, NULL, MS_PRIVATE, NULL) != 0) {
-
-		/* failed; create a mountpoint from MNT_PATH_TMPTGT */
-		if (mount(MNT_PATH_TMPTGT, MNT_PATH_TMPTGT, "none", MS_BIND, NULL) != 0)
-			goto fail;
-		if (mount("none", MNT_PATH_TMPTGT, NULL, MS_PRIVATE, NULL) != 0)
-			goto fail;
-	}
-
-	DBG(UTILS, ul_debug(MNT_PATH_TMPTGT " unshared"));
-	*old_ns_fd = fd;
-	return 0;
-fail:
-	if (rc == 0)
-		rc = errno ? -errno : -EINVAL;
-
-	mnt_tmptgt_cleanup(fd);
-	DBG(UTILS, ul_debug(MNT_PATH_TMPTGT " unshare failed"));
-	return rc;
-#else
-	return -ENOSYS;
-#endif
-}
-
-/*
- * Clean up MNT_PATH_TMPTGT; umount and switch back to old namespace
- */
-int mnt_tmptgt_cleanup(int old_ns_fd)
-{
-#ifdef USE_LIBMOUNT_SUPPORT_NAMESPACES
-	umount(MNT_PATH_TMPTGT);
-
-	if (old_ns_fd >= 0) {
-		setns(old_ns_fd, CLONE_NEWNS);
-		close(old_ns_fd);
-	}
-
-	DBG(UTILS, ul_debug(MNT_PATH_TMPTGT " cleanup done"));
-	return 0;
-#else
-	return -ENOSYS;
-#endif
-}
-
 #ifdef TEST_PROGRAM
 static int test_match_fstype(struct libmnt_test *ts, int argc, char *argv[])
 {