From: Christoph Hellwig <hch@lst.de>
Date: Thu, 20 Jun 2024 12:48:44 +0000 (+0200)
Subject: xfs/073: avoid large recursive diff
X-Git-Tag: v2024.06.27~29
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=9cca19c674a9745c5daa225a5d390902f5834076;p=xfstests-dev.git

xfs/073: avoid large recursive diff

xfs/073 has been failing for me for a while on most of my test setups
with:

diff: memory exhausted

from the large recursive diff it does.  Replace that with a pipe using
md5sum to reduce the memory usage.

Based on a snipplet from Darrick Wong.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
---

diff --git a/tests/xfs/073 b/tests/xfs/073
index c7616b9e..0f96fdb0 100755
--- a/tests/xfs/073
+++ b/tests/xfs/073
@@ -76,7 +76,8 @@ _verify_copy()
 	fi
 
 	echo comparing new image files to old
-	diff -Naur $source_dir $target_dir
+	(cd $source_dir; find . -type f -print0 | xargs -0 md5sum) | \
+	(cd $target_dir ; md5sum -c --quiet)
 
 	echo comparing new image directories to old
 	find $source_dir | _filter_path $source_dir > $tmp.manifest1