block: support extroot on already mounted overlay

Try to find extroot configuration on already mounted overlay Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
openwrt · May 28, 2023 · c1a8d95 · c1a8d95
1 parent bfe882d
commit c1a8d95
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/block.c b/block.c
@@ -1646,6 +1646,11 @@ static int main_extroot(int argc, char **argv)
 	/* enable LOG_INFO messages */
 	ulog_threshold(LOG_INFO);
 
+	/* try the currently mounted overlay if exists */
+	err = mount_extroot("/tmp/overlay");
+	if (!err)
+	    return err;
+
 	/*
 	 * Look for "rootfs_data". We will want to mount it and check for
 	 * extroot configuration.