From 9137ba5e5f4a43c86b99b260f67a98f730185703 Mon Sep 17 00:00:00 2001
From: Phuong Vu <tariusagi@gmail.com>
Date: Sun, 5 Dec 2021 17:28:31 +0700
Subject: [PATCH] Added code to wait for loopback readiness

---
 pishrink.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pishrink.sh b/pishrink.sh
index 58a0119..9fa26fd 100755
--- a/pishrink.sh
+++ b/pishrink.sh
@@ -292,6 +292,8 @@ else
     parttype="logical"
 fi
 loopback="$(losetup -f --show -o "$partstart" "$img")"
+# Wait 3 seconds to ensure loopback is ready.
+sleep 3
 tune2fs_output="$(tune2fs -l "$loopback")"
 rc=$?
 if (( $rc )); then