block: support skipping uuid check

Add a mean to avoid the uuid check by checking for the presence of /etc/.extroot-default in the overlay. Signed-off-by: Luca Barbato <[email protected]>
nwf · May 28, 2023 · 3a07943 · 3a07943
1 parent 56a9b4e
commit 3a07943
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/block.c b/block.c
@@ -1479,6 +1479,10 @@ static int check_extroot(char *path)
 	FILE *fp;
 	int err;
 
+	snprintf(tag, sizeof(tag), "%s/etc/.extroot-default", path);
+	if (stat(tag, &s))
+		return 0;
+
 	err = find_root_dev(devpath, sizeof(devpath));
 	if (err)
 		err = find_block_mtd("\"rootfs\"", devpath, sizeof(devpath));