From 17298912b4296b107fdb3c5d2bcd792fa3375aed Mon Sep 17 00:00:00 2001
From: HaseHarald <lookbehind@OWL-Soft.de>
Date: Sun, 11 Apr 2021 18:49:30 +0200
Subject: [PATCH] [btrfs_device_stats] Document usage of optional warning and
 critical limits.

---
 plugins/disk/btrfs_device_stats | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/plugins/disk/btrfs_device_stats b/plugins/disk/btrfs_device_stats
index 3f1b2e65..bd145024 100755
--- a/plugins/disk/btrfs_device_stats
+++ b/plugins/disk/btrfs_device_stats
@@ -16,6 +16,18 @@ Must be run as root.
 [btrfs_device_stats]
 user root
 
+You can optionaly configure the warning and critical limits. By default warning
+is set to 1 and critical is not set at all. You can set the limits either for
+the entire plugin or per individual metric. The individual values take
+precedence over the general ones. See the following example:
+
+[btrfs_device_stats]
+user root
+env.warning 2
+env.critical 4
+env.flags_warning 23
+env.read_errs_critical 42
+
 =head2 DEFAULT CONFIGURATION
 
 =head1 BUGS