block: get mountpoints from /proc/self/mountinfo

[project/fstools.git] / mount_root.c

diff --git a/mount_root.c b/mount_root.c
index 77d683b..6e06b45 100644 (file)
--- a/mount_root.c
+++ b/mount_root.c
@@ -12,6 +12,9 @@
  */
 
 #include <sys/mount.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -27,16 +30,15 @@
 static int
 start(int argc, char *argv[1])
 {
-       struct volume *root = volume_find("rootfs");
+       struct volume *root;
        struct volume *data = volume_find("rootfs_data");
+       struct stat s;
 
-       if (data && find_mount_point(data->blk, 0))
-               return -1;
-
-       if (root && find_mount_point(root->blk, 0))
+       if (!getenv("PREINIT") && stat("/tmp/.preinit", &s))
                return -1;
 
        if (!data) {
+               root = volume_find("rootfs");
                volume_init(root);
                ULOG_NOTE("mounting /dev/root\n");
                mount("/dev/root", "/", NULL, MS_NOATIME | MS_REMOUNT, 0);
@@ -70,7 +72,6 @@ start(int argc, char *argv[1])
 
        case FS_JFFS2:
        case FS_UBIFS:
-       case FS_EXT4FS:
                mount_overlay(data);
                break;
 
@@ -109,7 +110,6 @@ done(int argc, char *argv[1])
 
        case FS_JFFS2:
        case FS_UBIFS:
-       case FS_EXT4FS:
                fs_state_set("/overlay", FS_STATE_READY);
                break;
        }