From a112fca1212c1488c6c43991df2be1fc171b8138 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 12 Feb 2025 09:20:51 +0900
Subject: [PATCH] udev-worker: add debugging log about success of flock() for
 whole block device

(cherry picked from commit 951def0e276c041a262b3f147bb42206195fe13e)
---
 src/udev/udev-worker.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/udev/udev-worker.c b/src/udev/udev-worker.c
index 59f56f653c..fc1bfd684c 100644
--- a/src/udev/udev-worker.c
+++ b/src/udev/udev-worker.c
@@ -123,6 +123,7 @@ static int worker_lock_whole_disk(sd_device *dev, int *ret_fd) {
         if (flock(fd, LOCK_SH|LOCK_NB) < 0)
                 return log_device_debug_errno(dev, errno, "Failed to flock(%s): %m", val);
 
+        log_device_debug(dev, "Successfully took flock(LOCK_SH) for %s, it will be released after the event has been processed.", val);
         *ret_fd = TAKE_FD(fd);
         return 1;