fix: Improve boot performance using lz4.

debian/changelog

@@ -1,3 +1,9 @@
+initramfs-tools (0.142-0deepin12) unstable; urgency=medium
+
+  * Improve boot performance using lz4.
+
+ -- lichenggang <[email protected]>  Tue, 06 Jan 2026 15:25:30 +0800
+
 initramfs-tools (0.142-0deepin11) unstable; urgency=medium
 
   * not wait udev in uos to improve boot performance.

debian/control

@@ -34,6 +34,7 @@ Depends: coreutils (>= 8.24),
          logsave | e2fsprogs (<< 1.45.3-1~),
          udev,
          zstd,
+         lz4,
          ${misc:Depends}
 Suggests: bash-completion
 Breaks: initramfs-tools (<< 0.121~), ${busybox:Breaks}

debian/patches/series

@@ -6,3 +6,4 @@ uniontech-wait_udev_in_s4.patch
 uniontech-support-fix-init.patch
 uniontech-check-init.patch
 uniontech-resolve-device-by-decreasing-priority.patch
+uniontech-Improve-boot-performance-using-lz4.patch

debian/patches/uniontech-Improve-boot-performance-using-lz4.patch

@@ -0,0 +1,25 @@
+From 78e66624938ac6028aedd384c4c3e5aea50cc1ab Mon Sep 17 00:00:00 2001
+From: lichenggang <[email protected]>
+Date: Tue, 6 Jan 2026 15:23:06 +0800
+Subject: [PATCH] fix: Improve boot performance using lz4
+
+---
+ conf/initramfs.conf | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/conf/initramfs.conf b/conf/initramfs.conf
+index aa561bd..ae3eb8f 100644
+--- a/conf/initramfs.conf
++++ b/conf/initramfs.conf
+@@ -41,7 +41,7 @@ KEYMAP=n
+ # COMPRESS: [ gzip | bzip2 | lz4 | lzma | lzop | xz | zstd ]
+ #
+
+-COMPRESS=zstd
++COMPRESS=lz4
+
+ #
+ # COMPRESSLEVEL: ...
+-- 
+2.47.2
+