From dbf63b947a7974a34d5d6c76e5e40c77e81b7a00 Mon Sep 17 00:00:00 2001
From: Xiao Pan <xyz@flylightning.xyz>
Date: Sat, 6 Jun 2026 21:55:45 +0800
Subject: Recently, umount bd2 often fails due to busy, I guess maybe because I
 did not `sync` beforehand, trying it now, not tested

---
 sh/upd | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'sh')

diff --git a/sh/upd b/sh/upd
index 95e4c91..593d3e5 100755
--- a/sh/upd
+++ b/sh/upd
@@ -374,6 +374,7 @@ monthly_misc () {
 		#
 		# Note `udisksctl lock` need ebd2 locked crypto_LUKS fs, but `sudo
 		# cryptsetup close` need bd2 unlocked ext4 fs.
+		sync
 		umount /run/media/xyz/bd2
 		udisksctl lock -b /dev/disk/by-label/ebd2
 		udisksctl power-off -b /dev/disk/by-label/ebd2
@@ -419,6 +420,7 @@ monthly_misc () {
 		# another way:
 		#disk="$(realpath /dev/disk/by-label/Ventoy | awk 'END{sub(/[[:digit:]]+$/,"",$0);print}')"
 		sudo ventoy -l "$disk" | awk '/Ventoy:/{a=$2} /Ventoy Version in Disk:/{b=$NF;exit} END{exit((a==b)?1:0)}' && echo y | sudo ventoy -u "$disk"
+		sync
 		umount /run/media/xyz/Ventoy /run/media/xyz/FAT32DIR
 		udisksctl power-off -b /dev/disk/by-label/Ventoy
 
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