From 0891be9c1b318adb1f40f3fc51bccb706eda1fe0 Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Fri, 27 Oct 2023 01:05:40 -0500
Subject: image: Tar backend: Enable xz threading support

This should enable tarballs to be created significantly faster on
systems with more than one processor.
---
 image/backends/tar.cc | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'image/backends/tar.cc')

diff --git a/image/backends/tar.cc b/image/backends/tar.cc
index d9c2248..b05f4a5 100644
--- a/image/backends/tar.cc
+++ b/image/backends/tar.cc
@@ -64,6 +64,11 @@ public:
             break;
         case XZ:
             archive_write_add_filter_xz(a);
+            res = archive_write_set_filter_option(a, "xz", "threads", "0");
+            if(res < ARCHIVE_OK) {
+                output_warning("tar backend", "could not enable xz threading",
+                               archive_error_string(a));
+            }
             break;
         }
 
-- 
cgit v1.2.3-60-g2f50