}
int
-jffs2_switch(int argc, char **argv)
+jffs2_switch(struct volume *v)
{
- struct volume *v;
char *mp;
int ret = -1;
return ret;
}
- v = volume_find("rootfs_data");
- mp = find_mount_point(v->blk, NULL);
+ mp = find_mount_point(v->blk, 0);
if (mp) {
fprintf(stderr, "rootfs_data:%s is already mounted as %s\n", v->blk, mp);
return -1;
ret = -1;
}
break;
- }
+ case FS_UBIFS:
+ ret = overlay_mount(v, "ubifs");
+ if (ret)
+ break;
+ if (mount_move("/tmp", "", "/overlay") || fopivot("/overlay", "/rom")) {
+ fprintf(stderr, "switching to ubifs failed\n");
+ ret = -1;
+ }
+ break;
+ }
return ret;
}
-static int overlay_mount_fs(void)
+static int overlay_mount_fs(struct volume *v)
{
- struct volume *v;
+ char *fstype;
if (mkdir("/tmp/overlay", 0755)) {
fprintf(stderr, "failed to mkdir /tmp/overlay: %s\n", strerror(errno));
return -1;
}
- v = volume_find("rootfs_data");
- if (!v) {
- fprintf(stderr, "rootfs_data does not exist\n");
- return -1;
+ fstype = "jffs2";
+
+ switch (volume_identify(v)) {
+ case FS_UBIFS:
+ fstype = "ubifs";
+ break;
}
- if (mount(v->blk, "/tmp/overlay", "jffs2", MS_NOATIME, NULL)) {
- fprintf(stderr, "failed to mount -t jffs2 %s /tmp/overlay: %s\n",
- v->blk, strerror(errno));
+ if (mount(v->blk, "/tmp/overlay", fstype, MS_NOATIME, NULL)) {
+ fprintf(stderr, "failed to mount -t %s %s /tmp/overlay: %s\n",
+ fstype, v->blk, strerror(errno));
return -1;
}
return -1;
}
-int mount_overlay(void)
+int mount_overlay(struct volume *v)
{
- struct volume *v = volume_find("rootfs_data");;
char *mp;
if (!v)
return -1;
- mp = find_mount_point(v->blk, NULL);
+ mp = find_mount_point(v->blk, 0);
if (mp) {
fprintf(stderr, "rootfs_data:%s is already mounted as %s\n", v->blk, mp);
return -1;
}
- overlay_mount_fs();
+ overlay_mount_fs(v);
extroot_prefix = "/tmp/overlay";
if (!mount_extroot()) {
return 0;
}
- fprintf(stderr, "switching to jffs2\n");
+ fprintf(stderr, "switching to overlay\n");
if (mount_move("/tmp", "", "/overlay") || fopivot("/overlay", "/rom")) {
fprintf(stderr, "switching to jffs2 failed - fallback to ramoverlay\n");
return ramoverlay();