From 13ebd161eb465a70dabb7ee7036d96250f41b51a Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Tue, 24 Sep 2013 10:05:50 +0200
Subject: add comment about udevadm

---
 udev-block-notify.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/udev-block-notify.c b/udev-block-notify.c
index 2a699b6..f38b175 100644
--- a/udev-block-notify.c
+++ b/udev-block-notify.c
@@ -175,6 +175,9 @@ int main (int argc, char ** argv) {
 				}
 
 				if (action != 'r') {
+					/* Get possible values with:
+					 * $ udevadm info --query=all --name=/path/to/dev
+					 * Values available differs from device type and content */
 					if ((value = udev_device_get_property_value(dev, "ID_FS_LABEL")) != NULL)
 						notifystr = appendstr(TEXT_TAG, notifystr, "Label", value);
 					if ((value = udev_device_get_property_value(dev, "ID_FS_TYPE")) != NULL)
-- 
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