From 0454f60ad1d3fe1a2b8d932ec1cae470ecbeabbf Mon Sep 17 00:00:00 2001
From: Axel Burri <axel@tty0.ch>
Date: Thu, 15 Feb 2018 02:56:09 +0100
Subject: [PATCH] btrbk: bugfix: match btrbk_basename in
 get_latest_snapshot_child()

---
 btrbk | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/btrbk b/btrbk
index 113d475..ffedadd 100755
--- a/btrbk
+++ b/btrbk
@@ -2997,13 +2997,14 @@ sub get_best_parent($$$)
 }
 
 
-sub get_latest_snapshot_child($$)
+sub get_latest_snapshot_child($$;$)
 {
   my $sroot = shift || die;
   my $svol = shift // die;
+  my $btrbk_basename = shift;
   my $latest = undef;
   my $gen = -1;
-  foreach (get_snapshot_children($sroot, $svol)) {
+  foreach (get_snapshot_children($sroot, $svol, $btrbk_basename)) {
     if($_->{node}{cgen} > $gen) {
       $latest = $_;
       $gen = $_->{node}{cgen};
@@ -5712,7 +5713,7 @@ MAIN:
           }
           elsif($snapshot_create eq "onchange") {
             # check if latest (btrbk only!) snapshot is up-to-date with source subvolume (by generation)
-            my $latest = get_latest_snapshot_child($snaproot, $svol);
+            my $latest = get_latest_snapshot_child($snaproot, $svol, $snapshot_basename);
             if($latest) {
               if($latest->{node}{cgen} == $svol->{node}{gen}) {
                 INFO "Snapshot creation skipped: snapshot_create=onchange, snapshot is up-to-date: $latest->{PRINT}";