From 9b50112c5aa6c43f82fa1f08d424d1b632dde116 Mon Sep 17 00:00:00 2001
From: Jeremi Piotrowski <jpiotrowski@microsoft.com>
Date: Fri, 15 Mar 2024 09:26:36 +0100
Subject: [PATCH] build_library: Reduce xattr spam when creating cpio

Mksquashfs running against a btrfs filesystem tries to capture btrfs specific
xattrs (btrfs.compression) generating a lot of spam. Remove the spam by
ignoring btrfs xattrs.

Signed-off-by: Jeremi Piotrowski <jpiotrowski@microsoft.com>
---
 build_library/vm_image_util.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build_library/vm_image_util.sh b/build_library/vm_image_util.sh
index 3721c7b15b..8e8010cdf6 100644
--- a/build_library/vm_image_util.sh
+++ b/build_library/vm_image_util.sh
@@ -695,7 +695,7 @@ _write_cpio_common() {
 
     # Build the squashfs, embed squashfs into a gzipped cpio
     pushd "${cpio_target}" >/dev/null
-    sudo mksquashfs "${base_dir}" "./usr.squashfs" -pf "${VM_TMP_DIR}/extra"
+    sudo mksquashfs "${base_dir}" "./usr.squashfs" -pf "${VM_TMP_DIR}/extra" -xattrs-exclude '^btrfs.'
     find . | cpio -o -H newc | gzip > "$2"
     popd >/dev/null