X-Git-Url: http://git.archive.openwrt.org/?p=project%2Ffstools.git;a=blobdiff_plain;f=backend%2Fextroot.c;fp=backend%2Fextroot.c;h=0000000000000000000000000000000000000000;hp=2ed9b37424b99dcd36d8fbd699c6b800540bbcc8;hb=8603b6f2e7782437f3af16778b231ec9c1045f09;hpb=dbd3dc58391b750d9ad8403e89f79457bd49dc90

diff --git a/backend/extroot.c b/backend/extroot.c
deleted file mode 100644
index 2ed9b37..0000000
--- a/backend/extroot.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2.1
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/mount.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-
-#include "../fs-state.h"
-
-char const *extroot_prefix = NULL;
-
-static int mount_extroot(void)
-{
-	char block_path[32];
-	char kmod_loader[64];
-	struct stat s;
-	pid_t pid;
-
-	if (!extroot_prefix)
-		return -1;
-
-	sprintf(block_path, "%s/sbin/block", extroot_prefix);
-
-	if (stat(block_path, &s))
-		return -1;
-
-	sprintf(kmod_loader, "/sbin/kmodloader %s/etc/modules-boot.d/ %s", extroot_prefix, extroot_prefix);
-	system(kmod_loader);
-
-	pid = fork();
-	if (!pid) {
-		mkdir("/tmp/extroot", 0755);
-		execl(block_path, block_path, "extroot", NULL);
-		exit(-1);
-	} else if (pid > 0) {
-		int status;
-
-		waitpid(pid, &status, 0);
-		if (!WEXITSTATUS(status)) {
-			if (find_mount("/tmp/extroot/mnt")) {
-				mount("/dev/root", "/", NULL, MS_NOATIME | MS_REMOUNT | MS_RDONLY, 0);
-
-				mkdir("/tmp/extroot/mnt/proc", 0755);
-				mkdir("/tmp/extroot/mnt/dev", 0755);
-				mkdir("/tmp/extroot/mnt/sys", 0755);
-				mkdir("/tmp/extroot/mnt/tmp", 0755);
-				mkdir("/tmp/extroot/mnt/rom", 0755);
-
-				if (mount_move("/tmp/extroot", "", "/mnt")) {
-					fprintf(stderr, "moving pivotroot failed - continue normal boot\n");
-					umount("/tmp/extroot/mnt");
-				} else if (pivot("/mnt", "/rom")) {
-					fprintf(stderr, "switching to pivotroot failed - continue normal boot\n");
-					umount("/mnt");
-				} else {
-					umount("/tmp/overlay");
-					rmdir("/tmp/overlay");
-					rmdir("/tmp/extroot/mnt");
-					rmdir("/tmp/extroot");
-					return 0;
-				}
-			} else if (find_mount("/tmp/extroot/overlay")) {
-				if (mount_move("/tmp/extroot", "", "/overlay")) {
-					fprintf(stderr, "moving extroot failed - continue normal boot\n");
-					umount("/tmp/extroot/overlay");
-				} else if (fopivot("/overlay", "/rom")) {
-					fprintf(stderr, "switching to extroot failed - continue normal boot\n");
-					umount("/overlay");
-				} else {
-					umount("/tmp/overlay");
-					rmdir("/tmp/overlay");
-					rmdir("/tmp/extroot/overlay");
-					rmdir("/tmp/extroot");
-					return 0;
-				}
-			}
-		}
-	}
-	return -1;
-}
-
-static struct backend extroot_backend = {
-	.name = "extroot",
-	.mount = mount_extroot,
-};
-BACKEND(extroot_backend);